DIGITAL READOUT COUNTERS

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP78B04770A002900020036-1
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 3
• Document Creation Date: December 28, 2016
• Document Release Date: August 30, 2005
• Sequence Number: 36
• Publication Date: December 7, 1964
• Content Type: REPORT

Approved Forlease 2005/11/21,: CIA-RDP78B04771&02900020036-1
December 7, 1964
DIGITAL. READOUT COUNTERS
STAT
STAT
The Digital Readout Counters contracted and delivered so far have
been for real time on line computer use. In addition there will
be some counters required for punch card use and the configuration
will be somewhat different. In order to make the control panel,
x..and y-axis counter and synchronizer of future units identical to
and interchangeable with previous units, recommends STAT
a separate punch coupler unit be used. Thus any digital counter
of this series can be converted to IBM punch card output by adding
a punch ooupler which would couple in an IBM punch and typewriter.
An alternate mode of the coupler will switch the digital readout
counter to real time on line computer use as before. A punch
card format for the 80 character IBM punch card was worked out
by John R.1 ~ The first.20 columns are reserved for
operator use. space and one column will be used for recording
the readout command and a space and 4 columns for the instruction
character. Each coordinate axis will require a space, an algebraic
sign and six columns for the coordinate reading. A space and 3
columns will be used for machine identification and a space and
10 columns for recording the special character reading. The
remaining six of the 80 columns on the IBM card will be spares.
A schematic illustration of the format is attached. Header cards
can be used to print out column headings and other fixed data.
The first application of the qn- e/punch card dual capability
will be for conversion of the 880 Comparator to include real STAT
time on-line access to the computer. The m 880 uses the STAT
telecomputing reading head and I sent the. maintenance STAT
manual on the Telecomputing Head. is presently determining STAT
whether the output of the telecomputing demodulator is suitable for
direc`* input to his x- and y-axis counters. He thinks it probably
is but if not he would have to add a pulse shaping network between
the telecomputing demodulator and his counter. expects STAT
to have complete information and his proposal rea y tor submittal
by Friday, Dec. 11, 1964.
The delivery schedule of the ligital Readout Counterspresently
on order is:
a) One 2-axis counter delivered 30, Sept. 64.
b) One 2-axis counter delivered 30, Oct. 64.
c) Spare Circuit Boards delivered 30, Oct. 64.
d) One 2-axis counter delivered 30, Nov. 64.
e) One 4-axis counter scheduled for delivery 11, Dec. 64.
Approved For Release 2005/11/21: CIA-RDP78BO477OA002900020036-1
Declass Review by NGA.
 Approved For lease 2005/11/21: CIA-RDP78BO477902900020036-1
Digital Readout Counters -2- December 7, 1964
All above counters, except the first one delivered on 30 Sept.,
include the circuit changers required for a compatable interface
with the computer and the solenoid holding switches for the
Readout Character Command. The first unit is to be returned to
for retrofit of the changes. talked STAT
Lol last week to schedule shipment tol _J o t e STAT
counter used on the 0 multiformat projector. The counter is to
go back to for the same retrofit changes. expects STAT
to receive ~~-e counter from 0 earl this month. control
panel of the counter used on the stereo comparator STAT
presently in- ouse must be returned to or addition of the STAT
solenoid holding switches. The computer interface changes were
accomplished by t your plant in Oct. 1964.
STAT
Approved For Release 2005/11/21: CIA-RDP78BO477OA002900020036-1
 Approved For,ase 2005/11/21: CIA-RDP78BO477062900020036-1
IBM Punch Card Format
1 2 3 :4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
Readout I truction
Character
Columns 1 thru 20 reserved for -I N S T
operation identification.
?
28 3 5 36 37 38 39 40 41 42 43 44 45 46 47 48 49 5= 525354
11X1 Coordinate Y1 Coordinate
X I 0 0 0 R D Y I 0 0 0 R D
+ 0 0 0 0 0 1 + 0 0 0 0 0 0
v v ~
9 9 9 9, 9 9 9 9 9 9 9 9
X2 Coordinate
X 0 0 0 R D
+ 0 0 0 0 0 0
Y2
Y2
+ 0
9
55 561157 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
Coordinate I.D. Special Character Spares
C O O R D I .. D P L C H R T R
0 0' 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
v v 4
9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9
0
Approved For Release 2005/11/21: CIA-RDP78BO477OA002900020036-1