(SANITIZED)

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP79B00873A001600030001-4
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 67
• Document Creation Date: December 28, 2016
• Document Release Date: August 16, 2012
• Sequence Number: 1
• Publication Date: November 1, 1971
• Content Type: MISC

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STAT
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*a IMT
Proposal No. P-5578-A
ADVANCEn PHOTOMETER
Approved by:
November 1971
STAT
STAT
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TABLE OF CONTENTS
SECTION
TASK ABSTRACT
Cost Estimate
Summary
II
III
PAGE
1
2
3
INTRODUCTION 4
Background 4
General Configuration 4
TECHNICAL DISCUSSION 7
Basic Principles of Brightness Measurement 7
Considerations of Angle Coverage 9
Spectral Calibration 11
Digital Meter and Display 12
Display 13
Transporting Case 13
Warm-up 15
Temperature 15
Construction 15
Safety 15
Battery 16
Power Supply and Battery Charger 16
Weight 16
Photo Diode and Associated Amplifier 17
Accuracy 18
Detecting Head 19
STAT
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SECTION
TABLE OF CONTENTS
(Continued)
PAGE
Figure 1 - Advanced Photometer 21
Figure 2 - Section - Advanced Photometer 22
Figure 3 - Detecting Probe 23
Figure 4 - Optical Schematic Typical Microscope 24
Figure 5 - Photometer Block Diagram 25
Appendix I - Reference Calculation for 26
Exit Pupil Typical Microscope
IV WORK STATEMENT 27
V DELIVERABLE ITEMS 28
Interim and Final Reports 28
Equipment 28
VI PROJECT SCHEDULE 30
VII PROGRAM SCHEDULE 31
VIII FINANCIAL CONSIDERATIONS 32
IX MANAGEMENT PLAN 36
Organization Structure 36
Personnel Qualification 36
Assignment of Personnel 36
X
411
COMPANY CAPABILITY 39
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es
SECTION I
TASK ABSTRACT
STAT
This proposal describes an advanced Photometer designed
as a portable instrument to measure brightness of an image through
optical systems (such as microscopes). It also measures luminance
of light tables and projection screens._ The Photometer simulates
the characteristics of the eye by providing filters simulating the
observer's photopic response. The Photometer's entrance pupil
and optics are designed to determine the apparent brightness sensed
by the observer. The design emphasizes "ruggedness" and "accuracy",
consistent with its use in field environment, without re-
quiring "re-calibration". The Photometer supplies digital readout
as well as an analogue output for use in chart-recording. The system
can be used either with its own rechargeable battery or with standard
115 VAC supply. All components are enclosed within 8 1/2" x 8" x
5 3/4" portable case weighing less than 11 pounds, which includes
detecting heads, electronics, display, battery, and battery charger.
?1?
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STAT
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R
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04
I
1. BACKGROUND
SECTION II
INTRODUCTION
STAT
has designed and built several types of STAT
photometers for special applications. As an example, the Model
356 Quick Response Photometer has been designed by
for the U. S. Army Signal Corps, for automatic measurement
brightness within the range of 10-1 to 10-6 foot lamberts,
accuracy of 5% over this range. This instrument has been
ous use for 8 years, and was found to be highly reliable.
STAT
of sky
with an
in continu-
Infrequent
calibration (about once per year) has been required.
has also manufactured other types of light measuring systems which
are described in a separate section at the end of this proposal.
In addition to
STAT
experience in Photometers TAT
it also has the unique advantage of being a designer of photo-inter-
pretation and photogrammetric equipment. This includes the design
and manufacture of light tables, stereo viewers, and rear projection
viewers. This combination of capabilities allows to STAT
use its understanding of the sponsor's requirements, in the develop-
ment of a practical (user-oriented) photometer.
2. GENERAL CONFIGURATION
Figures 1,2 & 3 illustrate the configuration of the
Advanced Photometer. The photometer includes a small detecting
head (1 1/2" diameter by 2 1/2" long), that can be directly attached
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STAT
to an eyepiece of a microscope. The flat end of the head is resili-
ent coated to allow its placement directly on the surface of a light
table, or on the surface of rear projection screen. The optics
within the head can be tilted to allow measurement of brightness
from +45? to -45?. The operator has the option of locking the
tilt head in the center,so that only central brightness is measured.
The electronic display and control is built into a fiber
glass case. All electronic components are inserted into polyurethane
foam within this box. The use of these types of Shock absorbing
materials assure the maximum degree of ruggedness. Figure 5 illus-
trates the block diagram of the photometer. The detecting head con-
tains a P.I.N. silicon diffused photo diode with a built-in integrated-
circuit amplifier. The gain of the amplifier is set through precision
resistors located at the control panel to realize the measuring ranges
of 10, 100, 1,000, 10,000, and 100,000 foot lamberts. The full scale
output is 1 volt per one thousand counts. However, when the output
reading is 1999, the voltage is increased to 1.999 volts.
The display uses highly reliable light emitting diodes with
4-digit readout. However, the most significant digit is the over-
range bit allowing maximum reading to 1999. This type of readout
allows the reading of 1,000 instead of being limited to 999; further-
more, it allows the' overlap of scales, maintaining the ease of read-
ability.
The detector-amplifier combination has been selected with
extremely low drift, where both short time and long time drift are
minimized; calibration will not be necessary for at least 3 months
of operation.
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STAT
The basis of the design is to use the minimum number of
components, increasing maintainability and reliability. Power
drain is minimum to decrease heat dissipation, and to allow the
use of the smallest battery possible. The power requirement is
either 105-130v,50-60 cps, or built-in battery of 6 volts. The
battery supplied with the instrument uses readily available recharge-
able silver cadmium sealed cells. A built-in battery charger is
provided, which fully charges the battery in less than 10 hours.
The photometer simulates the eye-response by using the
combination of filters to realize a spectral response which corres-
ponds to that of the eye within accuracy of better than 10%. In
addition, the optical system simulates the eye by providing an area
dependent photometer, containing an iris similar to that of the eye.
In this manner, if the standard iris is not filled by the photometer,
the brightness measurement is reduced in correspondence to the area
of the exit illumination.
The photometer enclosed within the case
is 8 1/2" long x 8" wide x 5 3/4" high. weight is estimated at 11
pounds.
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SECTION III
TECHNICAL DISCUSSION
Basic Principles of Brightness Measurement
The definition of brightness is well established and is
consistently stated in many handbooks* - It is the luminous flux
emitted from a surface per unit solid angle, per unit area (pro-
jected normal to the line of sight).
STAT
It is also well known that an optical system which magnifies
an image does not change brightness (simply due to change of magnifica-
tion). Thus, a simple magnifier (or a microscope) does not change
the brightness of the image. The only attenuation is usually created
by the loss of light within the optics, and losses due to reflection,
at the air-to-glass surfaces.
This theory that brightness is not effected by changes in
magnification is illustrated in an example of a simple lens magnifier:
At
*Reference: Modern Optical Engineering by Warren J. Smith -
Published by McGraw Hill Co - page 199.
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41.01
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004
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the above example, a lens is shown to magnify the image. The
betihtness at the object is
F (flux)
A (unit area) 9 (solid angle)
It may be noted that the area has increased due to
majnification by (M2 Also, the subtended angle 91 has decreased
by the same ratio (M2). Consequently, the brightness of the image
is not changed.
STAT
However, any viewer looking into a microscope of high
powyr realizes that apparent brightness is appreciably decreased.
Thi:; contradiction of theory and practice is caused by the fact
that brightness (as normally defined) is not the only criteria to
deter:line the visual sensation. Another important criteria is the
area of the pupil of the eye being filled with light. Thus, if the
licjht beam from the microscope is smaller than the exit pupil of the
eye, then a visual attenuation of brightness is observed, in proportion
of te reduction of the area of the pupil. An example is illustrated
in Figure 4.
Typically for 40 power microscope and n (Numerical Aperture
of 0.1), the exit pupil = 1.25 millimeters (See Appendix I for
calc.;1ations).
Thus, in the above example, if the brightness of the
illu:-i.nation is 2,000 ft. lamberts, then the normally defined
brigness at 40 power is 2,000 x transmission of optics = 1,000
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mit
ft. lamberts, for a typical transmission of 50%. However, the
apparent brightness is actual brightness x !exit pupil diameter
= 1,000 x (1.25)
3 /
2
) 2
(eye pulil diameter )
= 170 ft. lamberts.
STAT
It may be concluded from the above that the actual bright-
ness (as defined) is 1,000 ft. lamberts while the apparent brightness
is only 170 ft. lamberts. Consequently; the apparent brightness must
be considered, which includes a factor proportional to the exit pupil's
area.
simulates the eye
diameter of 3 mm
angle of 50 of ob
measured is very
approach utilizes an optical system whi STAT
? It includes an iris which is set the the average
of the eye. It also includes a predetermined small
servation. In this manner, the brightness being
closely the same as that brightness being sensed,
by the standard human observer.
the image
Considerations of Angle Coverage
The photometer should measure brightness of the field of
without being effected by other parameters, such as (angular
field of view). Let us consider the following example:
Wide
Angle
Eyepiece
?9?
Narrow Field
Eyepiece
v
s't
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NA.
In the above example, the total energy arriving at the
detector from a wide angle lens exceeds by far, the total energy
arriving at the narrow field lens, even though the brightness may
be the same. It is then necessary to always limit the angle of
the detector to a value smaller than the minimum output angle of
the microscope. It is preferred to limit that angle to that
illuminated uniformly: -For this reason, a practical angle of
5?-6? has been selected.
further recognizes that many microscopes
may have non-uniformity of illumination, where apparent hot spots
are observed in the center of the field. Consequently, the photo-
meter head may be pivoted to measure the brightness at different
angles of the field. Since this pivoting is extremely simple, the
operator may merely pivot the head and take 3 or more readings, to
establish brightness uniformity.
STAT
STAT
This requirement for measuring brightness at a small field
of view is important, when inspecting the brightness of a rear pro-
jection screen. With most screens, the brightness is highly direc-
tional. If one determines the brightness over 5?, he will obtain
a higher reading than averaging over a 30? field of view.
The directionality of brightness on a rear projection
screen is certainly an important criteria. In most cases, one
average reading is meaningless, since the actual brightness varies
by more than 3:1 over that same area. Consequently,
has designed the photometer to allow the observer to measure the
maximum brightness with 5? subtended angle. He can also tilt the
head to observe the apparent brightness at different directions.
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STAT
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STAT
Another typical use of the Photometer may be to measure
the brightness of a high intensity illuminator. Again, it is not
sufficient to only take one average reading, since most high intensity
illuminators are highly directional.
Spectral Calibration
A set of filters is provided in front of the photo
detector to attenuate the input detector, so that the output
of the photo detector corresponds exactly to the sensitivity of
the eye. These filters are readily available and have been chosen
specifically for the purpose. The filters are sealed within the
detector assembly to assure that its characteristics are not changed
by humidity, temperature, or contamination of the atmosphere.
Prior to delivery of the unit, the unit will be tested
with a Monochrometer test set-up; - a graph of the output
voltage is provided versus known inputs from the ultra-violet to
the infrared. This output will be compared to the known visual
response of the "Standard Observer". The sensitivity of the
photometer is thus checked directly against the pre-established
eye data. Correspondence is better than 10% at any point within
the spectrum. The test equipment generating the monochromatic
spectra through the full range are calibrated and traceable to
the National Bureau of Standards.
Both a graph of analogue output, and a recording of the
digital outputs will be supplied to assure conformance to the
specifications.
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'Now
Digital Meter and Display
Reliability and ruggedness
of the digital panel meter
STAT
is the basis for the procurement
STAT
This is especially designed with integrated circuits, lowest number
of parts, and extremely reliable GaAsP light emitting diode display.
Power has been minimized to keep heat rise low so that reliability
is improved. Quality and maximum usefulness has been assured by
using instrument grade components.
The important criteria is this meter is also minimum weight
(12 ounces), and low power consumption. This saves weight not only
in the meter, but also in the battery and battery charger. The
meter does not require an inverter since it uses the battery voltage
directly.
The digital system (without polyurethane enclosure) with-
stands 50 G's of impacts since it does not use any bulky neon tubes.
The addition of shock absorbing padding and external energy absorbing
case assure further vibration and shock absorption, thus realizing
almost indestructible performance.
The selected dot matrix LED display cannot present an
erroneous number even if a diode should fail. Whereas a 7 segment
display could lose a segment and change a 9 to a 3. The display
provides a crisp brillant shaped character whin is easy to read.
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ba.
Obit
Display
STAT
The digital display is 3 1/2 digits, where readout is
available up to 1999. This featureprovides an overlap of a factor
of 2 between one scale and the next. This display has a decided
advantage over only 3 digit display, since the 3 digit display is
limited to 999, and cannot read 1,000.
The following table illustrates the maximum range of each
scale and the position of the decimal pOint:
Specified Ranges
Readout Up To
Readout
10
19.99
X1
100
199.9
X1
1,000
1999.
X1
10,000
19.99
X1,000
100,000
199.9
X1,000
Transporting_pase
The transporting case has been selected as a standard
molded fiber glass case, made by Skydyne Incorporated. This case
has been designed specifically for light-weight, hand-portable equip-
ment. These cases are made from molded reinforced shells, using
special proprietary formula that make them particularly suitable
in hand-portable transit and operational cases. Among these
features are:
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Pak
1. High resistance to impact
2. High resistance to moisture corrosion
and weather
3. Extremely high strength to weight ratio
4. Lightweight
5. High thermal shock resistance
6. Inert to most chemicals
STAT
These type of cases are designed to be used for military
applications including meeting the requirements of MIL-T-21200 as
well as MIL-T-945, MIL-C-4150 and MIL-T-4734.
In order to assure further protection, the electronics
and optical components are enclosed within polyurethane foam as
shown in Figure 2. For example, the digital meter is encased within
a molded polyurethane enclosure of at least 1/2" thickness in all
directions. A cutout is provided within the control panel to allow
easy observation of the display at an angle of 120? in all directions.
Access to the digital meter is easily achieved by removing 4 quick-
fastening screws holding the control panel.
The batteries and battery charger are also enclosed separ-
ately in their own polyurethane cutouts. Quick access is also avail-
able through merely removing the control panel. The detecting head
has its own separate polyurethane enclosure which closely retains
the head. When the cover is closed, the optical head is surrounded
by at least 1/2" of polyurethane foam, allowing for very good shock
absorbing performance.
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Warm-up
STAT
The warm-up time is small due to the use of photo diode
detection, LED display and low power consumption, thus minimizing
the increase of instrument temperature. Warm-up time is less than
5 minutes. No re-calibration is required after warm-up. Re-calibra-
tion is recommended every 3 months.
Temperature
The system is not effected by ambient temperature changes
between 50?F and 105?F, and humidities between 20% and 80%. The
design allows for a much higher temperature range than that specified.
Construction
The equipment will be designed with the highest commercial
standards of construction, has a highly effective STAT
quality control department that controls and supervises all parts
and material through the design, reviewing, in-process inspection
and final system test.
Safety
The specified maximum
followed automatically in
no high voltages in the system.
safety precautions are normally
instruments. There are STAT
The maximum voltage is the input
105-135 volts AC. All electronic systems use Only 5 volt DC, since
no nixie tubes or photomultipliers are used. All metal parts will
be electrically connected and ground, and leakage currents will be
measured in accordance with ANSI Standard C-101-1971 for two wire
non-grounded devices, and shall not exceed 0.5 milliamperes. A
circuit breaker will be provided (with automatic reset) to provide
added safety.
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Battery
STAT
The battery selected for this application is a standard
rechargeable silver cadmium type having a voltage of 6 volts at 10
ampere hours. This is obtainable for Yardney Electric, or equivalent.
The size is 4" x 5" x 1.6", weighing 2.2 pounds. The unit is com-
pletely sealed eliminating the possibility of contamination. It is
estimated that the total operating time exceeds 12 hours, which
exceeds the specifications. The selection of this battery was
based on reliability, availability, and performance after extended
periods. It is anticipated that the battery will provide years of
trouble-free service.
Power Supply and Battery Charger
The power supply provided with this system converts 115 VAC
to 6 volts for normal operation from AC voltage; 105V to 135V - @ 50-
60 cps. The same power supply is also used to charge the battery
by a switch on the control panel, which measures the output voltage
by tapping a different point of the transformer. The charging
system is supplied with current limiting circuits to limit the
charging current so not to overheat the battery. The maximum
charging time is 10 hours (from almost fully discharged to fully
charged
Weight
The weight of the system is small as possible, but consist-
ent with maximum ruggedness and reliability. The following is the
weight estimate:
%IS
VOW
?16?
Mkt
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Pia
Case
- 3.2 pounds
Polyurethane - 0.8 pounds
Padding
Digital Meter - 0.8 pounds
Batteries - 2.2 pounds
115VAC supply 1.5 pounds
(and Battery
Charger)
Control Panel
& Miscellaneous
Power Cord and
Cables
Detecting Head
- 0.8 pounds
- 0.6 pounds
- 0.6 pounds
TOTAL - 10.5 pounds
STAT
Photo Diode and Associated Amplifier
The diode-amplifier is enclosed within a shielded assembly
to eliminate electronic noise and to assure electronic stability.
The diode utilizes planar diffused guard ring construction with
oxide passivation, combining excellent performance characteristics
with high reliability. This construction technique eliminates the
high noise and functional instability inherent in photo diodes. The
diode is completely sealed, whose sensitivity is extremely high
(approximately 70% quantum efficiency for certain portions of the
input illumination).
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=MP
STAT
The preamplifier consists of a low drift integrating circuit
amplifier whose current drift is in the order of 10-9 amperes. Gain
is varied within each range by the use of feedback resistors. Con-
sequently, the amplifier output is used to develop 1 volt per scale
of 1,000 counts; for example, the 10 ft. lambert scale provides 1
volt per 10 ft. lamberts, reading 10.00.
Gain selection is achieved by using wire wound precision
resistors having a very low thermal coefficient of expansion, and
high stability with time and temperature.
Accuracy
The system design provides an accuracy of better than 2% of
full range, over all ranges of photometric measurement. For example,
if the range is 10 ft. lamberts, the accuracy is better than 0.2 ft.
lamberts (even though the readout can be up to 19.99). To achieve
this accuracy, without frequent calibration, the following major
design features are supplied:
1. Spectrally compensating filters are supplied which
are computer designed, and are guaranteed to have
a match to the eye of better than 10%.
2. The linearity of the amplifier and its accuracy
is achieved through high negative feedback, with
precision resistors having low thermal coefficients,
and high stability. The amplifier response is
linear to 0.2%.
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3. The meter used is better than 0.1% accuracy
using ultra-stable circuits.
4. The detector is a high stability silicon cell
which has a linear range exceeding 7 orders or 10.
5.
calibrates the photometer prior
to shipment for both spectral and radiation
measurement over the full range. The
test equipments have their accuracy traceable
to the National Bureau of Standards.
Detecting Head
STAT
STAT
The detecting head (shown in Figure 3) consists of a
lens imaging system, iris aperture, detector and preamplifier.
The head can be directly inserted over the eyepiece of a microscope.
A self containing assembly centers the detectors within the barrel
of the eyepiece.
One end of the detecting head can be placed directly
on a viewing screen, or a light table. This end is coated with a
layer of elastomer to assure that the surface of the glass is not
scratched when the photometer is placed on its surface.
The optical assembly can be tilted a8 shown in Figure 3,
and can be locked in position in a detent in the center, so that
only measurement of the center of the field of view can be made.
A scale is provided every five degrees to allow settability of the
optics to within the range from -45? to +45?.
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MEN
The design head will follow a study by
of the sponsor's equipment, to assure that it can be easily
utilized. Changes in the detecting head adapter and method of
attachment may be necessary to facilitate ease of employment.
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S TAT
STAT
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F 4-
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becIssified i; Part - 'Sanitized Copy Approved for Release2012/08/16: CIA-RDP79B00873A001600030061-4
DETECTION HEAD
r- ?
i
L.
>?-?DETECTOR
FIGURE 5
PHOTOMETER BLOCK DIAGRAM
AMPLIFIER
.1 15 VAC
BATTERY
Input
CHARGER
I
?
I
POWER
SELECTOR
BATTERY
GAIN
SELECTOR
- I
DISPLAY1
DIGITAL
VOLTMETER
1
ANALOGUE
NOISE
REJECT ION
FILTER
INTERCONNECTION
,
POWER SUPPLY
(IT Tin DT Pr
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CABLE
.41
STAT
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APPENDIX I
REFERENCE CALCULATION FOR EXIT PUPIL
TYPICAL MICROSCOPE
Figure 4 illustrates a typical microscope. As shown,
(u) is the half angle of the objective. Numerical aperture =
gai n(sinu) where nis the index of refraction.
Objective Magnification M = u .
0 -
VIM
Exit diameter of microscope (E) = 2u where fe is focal
Mo
length of the objective. We can substitute- = 254mm ; where,
254mm is the 10" standard focussing distance of the eye, and Me is
the magnification of the eyepiece.
Consequently, E = 2u x 254mm
MM
e o
E = 508u ; where, u = numerical aperture, and M is total
magnification.
The above formula can be used to determine exit diameter
in millimeters of a microscope.
?26:-
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MEN
SECTION IV
WORK STATEMENT
The Work Statement is included in the Technical
Discussion which is covered in Section III herein.
?27?
S TAT
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NS
MI=
MI=
SECTION V
DELIVERABLE ITEMS
1. Interim and Final Reports
STAT
will adhere to the provisions of SpecificaSTAT
tion Number DB-1001, "Contractual Documentation to be Supplied by
Contractors". Monthly and Final Reports will be provided in accord-
ance with the modified time schedule proposed herein. Report format
and content will be as defined in the referenced specification. In-
stallation data requirement as set forth in paragraph 2.2.3 of DB-
1001, in consideration of the proposed 6 month period of performance
for development and delivery of the Photometer, will be modified to
provide that preliminary data shall be submitted to the Contracting
Officer's Technical Representative at 1 1/2 month point and final
data at the 4 month point. Since the Photometer is to be an easily
carried, man-portable device, the installation data requirements
are minimal and therefore, the alternate delivery schedule proposed
will be more advantageous to the Government.
2. Equipment
Specified manuals, operator and maintenance, will be
delivered within 4 months of date of contract award. An Acceptance
Test procedure will be submitted by
at 4 months withSTAT
sponsor approval solicited within 2 weeks thereafter.
Upon receipt
of sponsor approval of the test procedures, preliminary acceptance
?28?
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is?
testing will be accomplished and upon completion, the prototype
photometer will be delivered (5 months ARO). The Final Report
will be provided within 30 days of equipment delivery.
'N.
MEM
?29?
S TAT
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STAT
SECTION VI
PROJECT SCHEDULE
See Figure A for a Milestone/Time Chart of predicted
program progress. Due to short period of performance, only
overall costs are defined. For costs, please refer to the
Summary of Costs in Section I or the detailed cost breakdown
given in Section VIII.
?30--
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SECTION VII
PROGRAM SCHEDULE
psi
Figure A
IMI?
lel
Pli
/IF
IMO
Mo
Milestones
?
Drawings (Design)
Detail (Drafting)
?--
Approval,
Drawings & Artist
Concept
Preliminary Data
/\
Final Data
Instruction and
//\\
Maintenance Manual
Design Reviews
.Z\
Manufacture and
Assembly
Quality Control
I- -
? - -
- --^,
Testing
Progress Reports
/\ Z\ /\ ,/,
"
Acceptance Test ?
.
Procedure
ATP Approval by
Sponsor
,
--/\
Preliminary Test-
ing at Contractor's
-.7\
Facility by Sponsor
I
t
Shipment
4Z.
Final Report
,
]
Contract 1 2 3 4
Award
Months
-31-
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5
6
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Ise
SECTION VIII
FINANCIAL CONSIDERATIONS
Attached hereto are detail cost proposals covering:
a. Design and Production of Prototype
Advanced Photometer
b. Production of 5 Advanced Photometers
C.
Production of 10 Advanced Photometers
Summary of these costs is as follows:
(a) Design & Prototype Advanced Photometer
(b) Production - Five Advanced Photometers
(c) Production - Ten Advanced Photometers
Per Unit Costs:
5 Unit Buy
10 Unit Buy
?3 2. ?
STAT
STAT
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STAT
STAT
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R
Next 2 Page(s) In Document Denied
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SECTION IX
MANAGEMENT PLAN
ORGANIZATION STRUCTURE
STAT
functionally undertakes contractual STAT
,..rformance by assignment of a Program Manager directly designated
.1.3. responsible for the performance of the contractual commitment.
:7 order to promote necessary personnel resources, the engineering,
:echnical and other skills required are assigned directly to the
-rogram Manager. This concept provides for a responsive and totally
:oordinated team effort.
PERSONNEL QUALIFICATION
The resumes' of the key individuals to be assigned to the
!..-17anced Photometer are included herein. All personnel are presently
-railable for the program. The program will be managed by
STAT
STAT
ASSIGNMENT OF PERSONNEL
The following personnel will be assigned for the design
manufacture of the system; their time will be made available
Mr the fulfillment of the various tasks of the program, as required.
?36?
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I?101
STAT
STAT
- Project Manager
- Mechanical & Optical Engineering
- Electrical Engineering
- Supervisor of Design & Drafting
- Manufacturing
- Quality Control
In addition to the above personnel,
Supervisory Personnel and staff consultants will be utilized
for the performance of the design effort.
The techniques and project teams developed in programs,
such as those mentioned above, will be brought to bear on the pre-
sently proposed equipment.
-37-
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STAT
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IMMO
URN
MANUFACTURING
AND ASSEMBLY
P ROG RAM ORGANIZATION
PROJECT MANAGER
STAT
STAT
REL IAB IL ITY/MA I NTA INAB IL I TY 1
STAT
MECH. DESIGN
& DRAFTING
i 'ELECTRICAL
' ENG INEE RING
MECHANICAL Se
OP R G
STAT
-38-
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STAT
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R
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ela
MI
010
ISA
fie
SIM
Se
*IP
MI
PIM
MI
Oil
IWO
Ml
1,114
Mi
SECTION X
COMPANY CAPABILITY
A brief profile of
along
with a listing of company facilities follows. It is not contem-
STAT
STAT
plated that any additional facilities or equipment will be required
in development or subsequent production of the Photometer. Addition-
ally, included are descriptive literature relating to products pre-
viously delivered by which are related STAT
to the Photometer.
-39-
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Declassified in Part - Sanitized Copy Approved for Release 2012/08/16: CIA-RDP79B00873A001600030001-4
NINO
tal
EEO
ENE
lai
Iii
'ENN1
ENE
ENE
141
NNE
NEE
ENE
IMO
11a4
NEN.
I&
IN=N
1114,
IMON
a ?
11,
June 1970
The company facilities are housed in a completely air conditioned and humidity
controlled plant of 25,000 square feet, assigned as follows:
Engineering 5,000 square feet
Office and Administration 3,500 square feet
Manufacturing; includes; 16,500 square feet
Product Assurance, Purchasing
Production Control, and Manu-
facturing Engineering
Included in the Engineering facilities are:
Contents
Completely equipped Optical Laboratory
Interferometer Test Laboratory
Photographic Laboratory and Darkroom
Drafting Room (18 boards)
Programmable Calculator with Storage
Cam-Share Time Sharing Computer Terminal
? Page
Machining Facility 1-4
Assembly Facility 5-6
Inspection Equipment 7
Electronic Test Equipment 8
Optical and Calibration 9-10
Laboratory Equipment
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Declassified in Part - Sanitized Copy Approved for Release 2012/08/16: CIA-RDP79B00873A001600030001-4
??
EMI
NEP
IMI
MACHINING FACILITIES - 6500 SQUARE FEET
FULLY AIR CONDITIONED
(All Machines are Fully Equipped)
SHOP EQUIPMENT
LATHES - Ca.acit to 20 1/2" Swin , 54" Between Centers
STAT
2 Sebastian Engine Lathes - 14" Swing
1 Lodge and Shipley Lathe - 20 1/2" Swing
1 SAG #49 - Gap Bed Engine Lathe 18" Swing
1 Sheldon Precision Engine Lathe 10" Swing
2 Hardinge High Speed Precision Lathes with Tail Stock Turrets
1 Logan Engine Lathe 10" Swing
MILLING MACHINES - Capacity to 48" X 48" X 144"
1 Kearney & Trecker Model 307-S12 Universal
1 Cincinnati Hypro-Planer-Miller 48" X 48" X 144"
1 Van Norman Ram Type #12
1 Van Norman Ram Type #22L
4 Bridgeport Vertical Millers
2 Bridgeport Vertical Millers with Optics
1 #12B Vertical Miller and Profiler - Pratt and Whitney
1 Nichols Tool Room Horizontal with Vertical Head
1 Groton 3U Pantograph Engraver
IMII DRILLING MACHINES - Table Size Capacity 36" X 48"
MEV
IMMR
?=11
Pal
NM'
1 (4) Spindle Avery No. 1 VMA Variable Speed Sensitive
Drill Press with Super Sensitive Tapping Head
1 Walker-Turner (2) Spindle Drill Press
?1?
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!HT
Drilling Machines (Continued)
1 Burgmaster Bench Model - (6) Spindle Auto-Indexing Turret
and Tapping Machine
3 Delta Single Spindle Drill Presses
1 Caser F35 Model 915 Radial Drill Press
1 Delta Radial Drill Press
1 Walker-Turner Radial Drill Press
1
Layout and Drilling Machine STAT
1 Dumore Sensitive Drill Press
JIG BORERS - Capacity to 11" X 24"
1 Moore Model Number 3 Precision Jig Borer
2 Linley Jig Borers
INDEXING EQUIPMENT
1 Moore 10" Ultra-Precise Rotary Table (2 sec. total error)
1 Rotary table with locating pilots and 12" Auxiliary Table -
Six second accuracy
2 Hartford Super Spacers 5", 10"
1 16"
1 12"
1 9"
2
Rotary Table
Rotary Table
Rotary Table
10" Pi-Dex Rotary Tables
SURFACE GRINDING MACHINES - Capacity to 14" X 48"
1 G&L Surface Grinder Model Number 660 - 14" X 48"
(.0001 Overall Accuracy)
1 Jones-Shipman 6" X 18" Surface Grinder
?2?
STAT
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JI/A1
14.4
MEM
MIN
MIN
gal
1441
OEM
MEI
11?4
.51
4.4
414
.54
414
.54
441
"I
0?111
4E1E4
44 1
IOW
"
???11
44 1
SAWING AND CUTOFF MACHINES
1 DoA11 Vertical Band Saw 16"
1 DoAll Vertical Band Saw 14"
1 Kalamazoo Band Cutoff Saw
1 Stone Abrasive 5" diameter Cutoff Machine
1 Power Hack Saw
Sheet Metal Equipment
PUNCH PRESSES - Capacity, 35 Ton Piercing - 70 Ton F2Errlina
1 Wales Strippit 415A With Duplicator Attachments
1 10 Ton, 24" Throat Whitney-Jensen Punch Press
1 75 Ton, Dake, Hydraulic Press
1 Wabash Heated Platen Hydraulic Press - 30 Ton
1 #12 Famco, Foot Press
1 Dake Mandress Press
BRAKES - Capacity to 8' Length
1 96" - 36 Ton, Chicago Press Brake - Counterbalanced for
Whistler Dies
1 60" - 12 Gage Whitney-Jensen Box Hand Brake
1 24" - Di-Acro Box Hand Brake
1 2" - Post Multi-Bender Model 5HDSB
1 #2 - Di-Acro Bender
1 Pexto Model 416E Slip Roll Former
1 1" X 12" Diameter Di-Acro Hand Roller
SHEARING EQUIPMENT - Capacity to 6' Length_ 1/8" Thick Steel
1 6' Wysong Power Shear 14 Ga.
1 3' Pexto No. 187 Foot Shear 16 Ga.
1 12" Di-Acro Hand Shear Model #3, 16 Ga.
1 6" X 6" Di-Acro Hand Notcher
?3?
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STAT
Sad
Mal
WELDING EQUIPMENT - (Aluminum, Alloy and Stainless Steel)
1 300 Amp. P&H A.C. Heliarc Welder
1 Airco Welding and Cutting Outfit (Oxy-Acetylene)
1 Automatic Gas Welding Unit (Smith Aircraft)
1 Peer Spot Welder
(Welding Personnel certified per MIL-T-5021C)
MISCELLANEOUS
1 Groton #256 Cutter Grinder
1 Hammond (No Dust Grinder) Model ND-10
1 Hi-Speed Dumore Grinder
1 Stanley Pedestal Grinder-Model 286B
1 Delta Carbide Pedestal Tool Grinder
1 #27A Wyco Portable Grinder
1 All American Filing Machine
1 6" Hammond Belt Sander
1 Porter Cable Vibrating Sander
2 Polishing Bench Motors
1 Chromemaster Plating Unit
1 Temco Heat Treating Oven
1 Westinghouse Industrial Compressor
1 Model RA-2 Rollabrader Tumbling Barrel
SHOP INSPECTION TOOLS
Granite Surface Plates and Surface Plate Laycut and
Inspection Tools for Shop Use, Maintained on Scheduled
Calibration per MIL-I-45208 and MIL-C-45662
?4?
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MEI
Of
WWI
lel
MI1
Nil
PIM
DIEM
1114
04D
ION
001
MINN
NMI
env
STAT
ASSEMBLY FACILITIES - 7000 SQUARE FEET
FULLY AIR CONDITIONED
INCLUDES: SQUARE FEET
General Mechanical Assembly Area 4600
Electrical Assembly Area 600
White Room (Federal Class 100) Assembly Area 200
Gray Lab (Constant Positive Pressure) Assembly Area 600
Project Labs Assembly Area 1000
MECHANICAL ASSEMBLY AREA:
Portable Granite Surface Plates up to 6' X 8' for setup,
alignment and pinning of assemblies
200 Lineal Feet of Assembly Bench Area
Clausing Variable Speed Drill Press
Mobile Delta Radial Drilling and Pinning Machine
All American Vibrating Test Table - Capacity: 100 pounds g
10 g. 15" X 18"
Grueneberg 27 Cubic Feet - Temperature Controlled Environ-
mental Test Oven
50 and 400 cycle motor generator units
All Peripheral Equipment required for precision mechanical
assembly
ELECTRICAL ASSEMBLY AREA:
100 Lineal feet of specially illuminated electrical assembly
benches
Completely Equipped Electronic Test Facility
Complete Electronic Assembly Hand Tools (Supplied under
Tool Cribe Control)
All Peripheral Wiring Equipment Required
PROJECT LABORATORIES:
All equipped with assembly work stations, concentrated
lighting, exhaust systems
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STAT
ASSEMBLY FACILITIES
Continued
"GRAY LABORATORY"
Maintained under constant positive pressure
Special lighting, exhaust systems, power 110-220 VAC
Single and Three Phase
Vinyl Wall Panels, Ceilings, Floors
"WHITE ROOM"
Federal Class Number 100 - Laminar Flow Laboratory
Temperature maintained at 68? + .5?
Humidity maintained at 50% ? 5%
?6?
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1?4
STAT
INSPECTION EQUIPMENT
Pratt & Whitney Supermicrometer Model B
Gaertner Tool Makers Microscope
Metro-Surf II, Surface Finish Indicator
Wilson Superficial Rockwell Hardness Tester
Van Keuren 6" and 12" Optical Flats with Reflex Viewers
Brown & Sharpe 9" Hite Set With 9" Base
Brown & Sharpe 36" Super Electronic Hite Check
Do-All Electronic Trans-Check
Federal Electro-Check Model 230P-123
Veeko-Probe Electro Sensing Device
Taft-Pierce 12" Cylindrical Square & Transfer Stand
Pratt & Whitney and Fonda 81 Pc. Gage Block Sets
Solid Steel Squares to 24"
Micrometers from 1" to 12"
Steel and Granite Parallels from 1/2 X 1 X 6 to 1 1/2 X 3 X 18"
Brown & Sharpe and Starrett Vernier Height Gages
Vernier Calipers to 24"
Vernier and Micrometer Depth Gages
Mahr Bore Gages from .280" to 6" w/.000050 Indicator
4' X 6' and 4' X 8' Granite Surface Plates
Matched Angle Plates and Vee Blocks for Precision Inspection
Torque Tools - Torque Watch, Torque Screwdrivers, Dynamometers
Thread and Gear Checking Wires
Plug and Ring Thread Gages
Cylindrical Plug Gages
Mechanical Dial Indicators .001" and .0001"
Laser Interferometer Lead Screw and Scale ChecSTAT
133 Co-ordinate Inspection Machine
-7-
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ma
ma
red ELECTRONIC TEST EQUIPMENT
10/
WWI
EMI
IMO
MU
MEM
OSA
MEV
elm
(On Scheduled Calibration_per MIL-R-45662)
Tektronix Model 422 Oscilloscope
Tektronix Model 453 Oscilloscope
Tektronix Model 564 Oscilloscope
Tektronix Model 531 Oscilloscope
Tektronix Model 543 Oscilloscope
Tektronix Plug In Units, Models CA; D; M; 3A6 and 3B4
Tektronix Scope Camera Model C-27
Consolidated Electro-Dynamics Recording Oscillograph, Type 5-124
Hewlett-Packard, Model 500B, Frequency Meter
Hewlett-Packard, Model 521A, Counter
Ballantine Precision Calibrator, Model 420
Ballantine V.T. Voltmeter, Model 3000
Ballantine Sensitive D.C. Volt/Ammeter, Model 365
General Radio Impedance Bridge, Type 1650A
General Radio Decade Voltage Divider, Type 1454A
General Radio Resistance Decade, Type 1432M
General Radio Pulse Generator, Type 1217C
Hewlett-Packard Variable Oscillators
Federal Signal Generator 8 to 330 MC
D.C. Power supplies to 2500 volts
Simpson Volt-ohm-milliammeter, Type 261
R.C.A. D.C. Micro Ammeter, Vacuum Tube and R.C.A. V.T.V.M.
Weston D.C. Micro Ammeters, Model 931
Miscellaneous Laboratory Equipment
?8?
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STAT
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04
OD
IMP
IMO
4,o
IMP
MLA
*MI
STAT
OPTICAL AND CALIBRATION LABORATORY EQUIPMENT
Granite Surface Optical Table, 4 foot X 15 foot, vibra-
tion mounted - 7 ton mass
Macbeth-Ansco Electronic Densitometer, Model 12A
Leitz Labolux Research Microscope with microdensitometer
attachment
Three Gaertner Precision Optical Benches, Model L-360NA
Davidson Optromics Coordinate Autocollimator, Model D-638,
measures angles to 1/2 second of arc and other collimators
15" focal length
Hilger Watt TA-3 Electronic Autocollimator, Optical Square
and alignment mirror
Hilger Watt Microptic .1 second autocollimator
Kollmorgan Dual Axis Autocollimator
Sub-Second Positioner-Temperature compensSTAT
angle measuring device - measures angles to 0.1 second
of arc
Two Axis Interferometer - 1 micron accuracy with grazing
angle capabilities
Leeds and Northrup Portable Temperature Potentiometer,
Model 8693
Gurley Transit
Edgerton Sensitometer
Prichard Photometer, Spectra brightness meter, Photovolt
Photometer, Model 520M
Several standard Light Sources
Light Meters: SEI Visual Photometer, Gossen Low Light
Level and Color Temperature
Nikon - 12" Profile Projector
?9?
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STAT
OPTICAL AND CALIBRATION LABORATORY EQUIPMENT
(Continued)
Cameras: Leica, Polaroid, Graphic, Fastax, 16,000 frames per
second, Bolex 16mm, Polaroid Scope Camera, and solenoid
Several Bausch and Lomb Optical Bench Microscopes
One Two Axis Beck Measuring Microscope
One.Gaertner Measuring Microscope full assortment of microscope
eyepiece and objectives including filar micrometer
Stereo Zoom Microscope
A.O. Spencer Microtome
Light Sources: Zirconium arc, xenon, helium, mercury, quartz,
iodine and monochromatic sources
Large Collection of Lenses: Includes condensers, achromats, mirror
objectives, prisms, filters, photographic objectives, oculars
poraboloids, tillyer ophtalmic trial set, optical flats up to 8"
diameter 1/20 wave accuracy, - Van Keuren reflex housing and
optical inspection interferometer calibrated density wedges
Resolution Charts and Test Patterns for lens evaluation - to 800
lines per mm resolution
Continuous Coherent Laser Light Sources, Mercury Hg 198 Sources
Complete Photographic Darkroom; Slide Projectors, microfilm
viewers and Omega Enlarger
Kreonite sinks with built-in water temperature control and water
filtering system - Leedal Autotemperature control photo processing
unit
Image Splitting Eyepiece
-10?
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!at
OW
awl
ow eve
QUICK RESPONSE
PHOTOMETER
with
Self Calibrating
and
Check Out
Model 356
Automatic On-Off Unit
Model 356, PHOTOMETER, is a highly sensitive instrument for measuring light levels
between the ranges of 10-8 to 10-1 foot lamberts or higher. The accuracy of the in-
strument is 5 % within the total range. Ten ranges of measurements are provided:
RANGE
1st
10.6
2nd
3 x
10-6
3rd
10
4th
3 x
10'
5th
10-4
6th
3 x
10-4
7th
104
8th
3 x
104
9th
10'
10th
3 x
10'
FOOT LAMBERTS
to 3 x 10-6
to 10-5
to 3 x 10'
to 10-4
to 3 x 10-4
to 1 0-3
tos 3 x 10-3
to 10'
to 3 x 10-2
to 10'
The output of the unit may be applied to recorders, indicating meters, or integrating
photometric systems. The field of view may be selected by changing objective lenses.
(Maximum wide field: 1350.) (Minimum narrow field: 1/20)
The light level being measured automatically selects the correct operating range with-
out any other influence. Consequently, a high degree of accuracy is maintained.
Bulletin No. 356
..J
STAT
OPTICAL - MECHANICAL - ELECTRONIC - RESEARCH AND DEVELOPMENT - PRODUCTION - MANUFACTURING - SPECIAL CAMERAS - PHOTOMETRIC DEVICES
- OPTICAL TACHOMETERS - RAPID FILM PROCESSORS - PROJECTORS - OPTICAL TRACKERS - STEREO VIEWERS - SATELLITE DETECTORS - MEASURING
INTERFEROMETERS - STEREO COMPARATORS - NEGATIVE TO POSITIVE FILM VIEWERS - ANGULAR MEASURING DEVICES - FIBER OPTICS APPLICATIONS
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FEATURES
? Automatic on-off shutter system for pro-
tecting the sensing element from possi-
ble damage due to the sunlight or other
very bright objects.
? Automatic range selection system for
maximum accuracy.
? Complete automatic provision available
for readout into an integrating system
or paper recorder.
? Internally located light source for cali-
bration and checkout.
? Filter holder for spectrum analysis.
? Interchangeable photomultipliers with
5-4, S-5, or 5-8 Spectral response.
INTEGRATING OR AUXILIARY EQUIPMENT,
STA
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MODEL 671
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"AUTO-PULSE"
PHOTOELECTRIC MICROSCOPE
Model 671
introduces the "Auto-Pulse" Photo-
electric Microscope for the inspection of grids or scales "on-the-fly."
Its purpose is to eliminate the time consuming operation of setting
and measuring lines manually, whereby errors resulting from oper-
ator fatigue are causes for inconsistent performance. As many as
60 lines per second can be inspected automatically, at a maximum
continuous speed of 0.1 inch per second.
COMPARISON OF MEASURING
MICROSCOPES
The "Auto-Pulse" microscope is designed to accurately
measure the distance between "grid lines" on a scale,
fiducials, or images on a photograph by reflection or
transmission. Present systems use microscopes with
reticles to observe the scale's image in which the oper-
ator. aligns the scale's image to the reticle and reads the
coordinates of a measuring machine. This is a time
consuming and tiring process, and at optimum is de-
pendent on the operator who must stop precisely and
repeatedly at each line. An alternative to the above is to
utilize a photoelectric microscope where the operator
views an oscilloscope to observe the deviation of the
grid line or point from the optical axis after which each
line is then positio-ned to individually and measured.
The basic disadvantage of starting and stopping is re-
quired in this scheme. The greatest distinction of the
"Auto-Pulse" microscope is that measurements are done
"on-the-fly." Stopping at each line is not required. The
instant the center of the image is passed through the
optical axis, a pulse actuates the readout in which the
or "Y" coordinates are automatically stored for
display or printout.
An ideal measuring system for use with the micro-
scope is the laser interferometer,
Model 437L-512, with automatic temperature pressure
and humidity compensation. The microscope-interfer-
ometer system can achieve accuracies of better than
?1/4 micron (0.00001") . The microscope may also be
used on machines equipped with encoders, or digitized
scales, with the added capabilities of remote-input and
readout.
FEATURES
The Photoelectric Microscope possesses unique features,
most important for the making of accurate measure-
ments:
I The coordinates of the exact center of the line or
point are obtained. This has a distinct advantage
over the measurement from an edge. It is not unusual
to have lines of slightly unequal thickness, in which
a large error will exist if the edge of the line is mea-
sured instead of the center. The edge contrast or
gradient does not enter into the accuracy of mea-
surement as it exists with conventional measurement
techniques.
2 The measurement is independent of line contrast
or light level, since illumination only at the "center"
is measured. Signal level adjustment control is in-
corporated to achieve optimum detection. Opaque
lines on glass, steel or clear lines on glass scales may
be measured with equal accuracies.
3 The system contains a noise rejection gate whereby
the microscope cannot trigger on spurious noise.
Thus, if disturbances are present, they are prevented
from actuating the mensuration system, unless their
magnitude exceeds a level equivalent to that of the
line or point being measured.
4 The system contains an automatic reset feature. It
allows for the first pulse to establish "zero" onto a
readout counter or "zero" reference. The second,
third, etc. lines are read automatically without zero-
ing.
5 The system design provides accurate measurements
independent of direction of travel (left to right, or
right to left) . The accuracy of the system is also
independent of the speed of travel from zero to 0.1
inch/second.
GENERAL DESCRIPTION
The Photoelectric Microscope provides a pulse output
as its optical axis crosses the center point of a grid line
or other scale mark. The pulse is used to actuate the
readout system for automatic display. Since the pulses
are produced "on-the-fly," there are no interruptions
in the measuring operation, and readout-or printout is
completely automatic when used with an
Laser Interferometer System.
The microscope housing contains the entire optical
system along with an internal light source and a view-
ing eyepiece. Photo detectors and associated circuits
are incorporated in the top portion of the microscope
housing. The base of the microscope has provision to
mount a corner cube reflector, when a laser interferom-
eter is used for measurement.
The power supply for the internal light source along
with additional pulse forming circuits are mounted in
a separate cabinet.
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PHOTO
DET
PHOTO
DET 2
FOCUSING FOCUSING
LENS ? SLIT LENS
BEAM SPLITTER
BEAM SPLITTER
OBJECTIVE
LENS
AU
RETICLE
CONDENSER
LENS
SCALE
Figure 1. OPTICAL SYSTEM
EYEPIECE
LIGHT
SOURCE
OPTICAL SYSTEM DESCRIPTION
Figure 1. A high intensity light source and condensing
lens provide the necessary illumination for the optical
system. A beam splitter, No. 1, deflects the beam of light
onto the object plane.
The microscope is provided with interchangeable
objective lenses to accommodate various field coverages.
The imagery, once it has reached the objective lens, is
focused through the beam splitter and the aperture onto
a silvered prism. In turn, the silvered prism reflects one-
half of the image area to photodetector No. 1 through a
focusing lens and the other half of the image area, to
photo detector No. 2, similarly through another focusing
lens. In this manner, a signal is produced at each photo-
detector corresponding to each side of each optical
channel; that signal is proportional to the average
brightness of the image.
Beam splitter. No. 2 is placed in the optical path to
partially reflect the image to the viewing eyepiece for
observation.
The aperture's slit is approximately .020 inches wide.
The full line-width of the image at the aperture plane
must be less than the width of the slit itself. At the same
time, it must be wide enough to provide a signal of
sufficient amplitude to override the noise rejection
level of the electronic circuitry. The line-width at the
aperture plane is the product of the line-width on the
scale by the objective lens magnification factor.
DESCRIPTION OF ELECTRONICS
Figure 2 shows representative waveforms of the elec-
tronic system. The output of each photo detector is
applied to a difference-amplifier, which provides a com-
posite signal equal to the difference of the two photo
detector signals (PD #1 and PD # 2) . The signal is
then fed to a Schmitt Trigger circuit.
The composite signal is an "S" curve with a zero
crossover at its center point which corresponds to the
center of the grid line. The Schmitt Trigger circuit
provides a pulse at the zero crossover through a gate
circuit which is opened by the signal as it approaches
its negative peak. This circuit prevents spurious noise
pulses from triggering the system and provides a pulse
only when the high level composite signal is present.
The pulse generator and pulse shaper provide the re-
quired output pulse necessary to activate the readout
system.
When the"Auto-Pulse"microscope is used with the
Laser Interferometer, actuation of a reset-switch acces-
sible on the front panel of the microscope power supply
automatically provides a reset pulse for the interferom-
eter readout system. At this point, the printer prints out
00.000000. As each line is scanned in succession, readout
of interferometric measurement is printed out. The auto
pulse may also be adapted to digitized scales or encoder-
leadscrew type of measuring machines. It may also
be used as an inspection tool in many other types of
measuring instruments or as go-no-go gauge types of
operation.
OPTIONAL ACCESSORIES
1?Skip-Counter?An optional accessory can be
provided to sample discrete lines of equal spacing.
(Example: every 10th line or every 100th line, etc.)
A counter provided with the instrument allows the
selection of readout at any one of the number of lines
as selected by a three digit thumbswitch, which can
be set to read between 1 and 999; the advantage of
this feature may be illustrated when a closely spaced
grating is being inspected. The number of measure-
ments may be too voluminous, and the readout speed
may necessarily be too slow due to the limitations of
the printer. Using the skip-counter, the operator may
then sample the scale, and expect rapid measurements
without sacrificing accuracy.
2?Auto-Collimating Accessory?The Photoelec-
tric Microscope can be used to provide a pulse every
time a mirror is positioned perpendicular to the optical
axis of the microscope. This optional feature provides a
collimating lens in lieu of the microscope objective. In
addition, auxiliary optics and a slit are inserted in front
of the source of illumination. Consequently, a collimated
image of the illuminated slit is reflected by the mirror
back onto the microscope slit for photoelectric detection.
The sensitivity and repeatability of the instrument is
better than four seconds of arc. The maximum range
is six feet between the auto-collimator and the mirror.
The full advantage of this option can be realized in
the checkout of moving rotary tables, when either one
ADVANCING
GRID LINE"'
READ
PULSE
TRIGGERED GATE
CLOSES
tigure 2. PHOTOELECTRIC MICROSCOPE ?WAVESHAPE
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Declassified in Part - Sanitized Copy Approved for Release 2012/08/16: CIA-RDP79B00873A001600030001-4
mirror or a multiface mirror polygon is placed on the
rotating member. In this application, a pulse is gener-
ated when the facets of the mirror block are perpen-
dicular to the axis of the microscope.
3?Power Supply Cabinet?The cabinet can be sup-
plied as an accessory.
SPECIFICATIONS
Built-In Illuminator
High brightness, 18 watt illuminator is supplied with
condensing optics for high contrast. Heat deflectors
and fixed housing minimize temperature rise of micro-
scope housing. Optional fiber optics illuminator is
supplied on special order.
Slit Reticle
.020" x .125" is normally supplied. Interchangeable slit
widths from .030" to .005" are available on special
order.
Objective Lenses
The objective lenses are interchangeable and can be
focused for optimum performance. The following ob-
jectives can be supplied:
50X (Use with .0001" to .0005" line widths)
20X (Use with .0003" to .001" line widths)
10X (Use with .0006" to .002" line widths)
One Objective, 10X is supplied with the
microscope.
5X (Use with .001" to .004" line widths)
3X (Use with .002" to .006" line widths)
lx (Use with .005" to .020" line widths)
Adjustment of Background Noise Rejection
Circuits and Signal Levels
Provisions are made to allow adjustment of noise rejec-
tion cireuit to eliminate spurious outputs or background
noise caused by dirt, dust and imperfections in the part
to be measured.
Electronic Chassis
A standard 19" rack mounting, 7" x 14" deep. It con-
tains regulated power supply for lamp, low voltage
amplifiers for the electronic system, and plug-in solid
state logic and amplifier circuits.
Output Signals
1?Readout Command Pulse?Negative going
from zero to ?15 volts, 10 microseconds duration. The
leading edge occurs at the exact center of the measured
line.
2?Reset Pulse?The first scale pulse may be se-
lected to be a reset pulse (to zero a counter) by depress-
ing the "reset" switch on the front panel on the Remote
Reset Switch.
3?Pre-amplifier Output Signal?This is an elec-
tronic signal supplied as the difference between the two
detectors. It can be supplied to a scope or meter for
visual setting of zero.
Reset Switch
Push-button pendant switch is supplied (15 feet long) ,
to allow resetting of the system. The first scale pulse
after switch is energized, will reset the readout counter
to zero.
Maximum Speed of Travel
0.1 inch per second.
Cable Length
Standard length of cable between microscope and con-
sole is 12 feet.
Accuracy
The accurac
with
micron
of the shotoelectric microscope when used
Laser Interferometer is -?3/4.
microinc es . The errors introduced by the
measuring machines and environment must be com-
bined with the errors introduced by the photoelectric
microscope to obtain total system errors.
STAT
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STAT
ST
TRANSISTORIZED
OPTICAL FREQUENCY INDICATOR
WITH "BEAM-OF-LIGHT" SENSOR
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ITRANSISTORIZED
OPTICAL FREQUENCY INDICATOR
FEATURES
WITH "BEAM-OF-LIGHT" SENSOR
.11 Measures shaft or disc rotation of all possible rotating machines
I. Accurately senses intricate vibrations of test objects
to meet new complex-wave environmental test requirements
Senses frequency of vibration and relative amplitudes from 0 to 100 kc
MI Multiple lines or tapes permit accurate low speed rpm tests
? Seven meter ranges from 10 cps to 100 kc
III Simple set-up, absence of physical coupling, speeds testing,
increases accuracy
111 Completely portable for field, production line or test lab
? Both sensor and frequency meter use flashlight cell power
11111 Optical sensor available separately for basic laboratory. use
APPLICATIONS
The Transistor-
ized Optical Frequency Indicator is
one of the most versatile measur-
,ng instruments yet devised for
use in iaboratories research and
development, industry and main-
tenance operations. Because of
the-complete absence of mechani-
cal linkage between the tachom-
eter probe 'and the device being
measured for -rotational speed, or
amplitude and speed of motion,
torque or damping are never intro-
duced into the readout. A few of
the many applications of the in-
strument are illustrated at right.
Prec'se measurement of rotational speeds
of motor-generators.
-fr
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Production line checkout and inspection
test on tape recorders, phono turn-
tables, etc.
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DESCRIPTION
The Transistorized Optical Frequency Indicator is a
portable, self-contained system for measuring rotationai .shaft speeds in
rpm, or vibrational frequencies in cps. The system utilizes the Model 219A
Transistorized Optical Probe, a "beam-of-light" detection sensor, to sense
the contrast between a light line and dark area (or vice versa) on the
object in motion. The observed contrast, in the form of pulse responses,
is read out on the Model 220FM Frequency Meter on a seven range scale
from 10 cps to 100 kc. No torque or damping is introduced since there is
no mechanical linkage between the probe and the object under test, and
an accuracy of 2% of full scale is easily achieved.
STAT
Analysis of servo motor speed and control.
Complex waveform vibration and amplitude
analysis.
Typical waveform on oscilloscope, when
used with the 219A Probe, showing com-
ponents of mechanical vibration.
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ITRANSISTORIZED
OPTICAL FREQUENCY INDICATOR
WITH "BEAM-OF-LIGHT" SENSOR
OPERATION
With the probe connected to the meter, the optical head is positioned steadily
and aimed directly at the object under test at a distance of about 3/8". The
constant light source in the optical head, powered by flashlight batteries, is
reflected back to the phototransistor in the head, in accordance with the
contrast of white and dark lines painted or taped on the moving shaft or object.
'Minimum detectable line is about 0.01" wide, 1/2" long, but careful set-up
and alignment will permit the use of a smaller detecting surface. High ambient
light environment will not affect accuracy or sensor sensitivity. Regardless of
waveshape derived in pulse response, accuracy of meter reading is ?1%
d.uty cycle. Rotational speed or frequency is read directly on the meter. Probe
output can also be fed directly into an oscilloscope for relative vibration
amplitude measurements.
SPECIFICATIONS
Optical Frequency Indicator System
Rotational Speed Range
All Possible Rotating Machines
(Note Frequency Response)
Frequency Range
10 cps to 100 kc
7 Scale Ranges
0-100 cps; 100-300 cps; 300 cps to 1 kc; 1 kc to 3 kc;
3 kc to 10 kc; 10 kc to 30 kc; 30 kc to 100 kc. ,
Accuracy
?2% of full scale
Transistorized Optical Probe Model 219A
Input
Dark line, light background, reflected light (or vice versa)
Length
143/4" with gooseneck
Width
13/8" diameter
Weight
1 lb. with batteries
Transistorized Frequency Meter Model 220FM
Size
x 53/4" x 31/2"
Weight
5 lbs.
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glattr4k
PHOTOINTERPRETATION CENTER
SERIES 05500
MODULAR PHOTOINTERPRETATION CENTER (PIC)
0
? OF P I DATA BETWEEN EVENTS AND USERS."
"DESIGNED TO ASSURE RAPID AND EFFECTIVE FLOW
1070-71 CATALOG
ti
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0
0
0
0
AUTOMATIC SOLUTIONS TO 0
0
0
? Offset Aiming Point Coordinates
El Target Acquisition 0
? Photogrammetric Tasks
II Chart Annotations
?and Photo Interpretation/Analysis
tasks over the widest possible
Range of Imagery, with accuracy to
8 parts per 100,000 per foot of film
... sub-micron resolution.
Quick Delivery?Fully Tested
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TYPICAL PACKAGE CONFIGURATIONS
n Model 05500 Model 05000
ci
Eli
01
Model 05010
A Basic Film Table with Traveling X-Y
Carriage, B & L Zoom 70 or similar
Microscopes?Mechanical Dial Read-
out?a ready-to-use, manual drive,
economical work station.
ci
ci
Ch]
ci
Our best and most complete P I station.
Factory 'installed modules include
electronically coupled microscope
carriage, automatic logic console with
I/O keyboard, and control tapes for
automatically solving linear and geo/
relative problems.
?A turn-key system ?
Our Intermediate System?contains
only those modules required for inter-
face to all existing computers. May be
ganged for multi-user or time-share
installation. Computer Interface ser-
vice provided upon request.
NOTE: In addition to programs supplied with
the 65610, Programming Services are avail-
able for any special Metrics problems involv-
ing Photogrammetry, Photo Interpretation, Car-
tographic Control & Annotation, Infra Red,
SLR, Radar, etc., plus translations into Ger-
man, French, and certain other languages.
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MODULES LIST
FOR EXPANDING THE UTILITY OF THE
BASIC 65500 SYSTEM-
Model 05070 Motorized Film Drive Packages.
Specify front spools only, or both
front and rear spools.
Model 05550
Dual Axis Electronic Encoders with
Digital Display. Converts 65500
into 65600 when equipped with
keyboards. Costs to interface with
existing computer quoted upon
request.
Model 05570 Artwork Logic Control Module, En-
coders & Keyboard to retrofit
65550 into 65610 system. (Equiva-
lent to 8K-16 Bit Word Computer.)
Model 05580 Teletype Keyboard.
NOTE: All Modules may be installed by the user. Inter-
facing to existing Computers requires
to perform installation and check-out.
SPECIFICATION:
041
? 41 r41.
lID
FB
LABORATORY...
The 65500 Series of Photointer-
pretation equipment is available
in either standard commercial
grade for fixed base use, or in Mil.
Spec.grade for field use.
OR FIELD
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