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Патент USA US3078050

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Feb. 19, 1963
.
3,078,040
W. D. ROWE ET AL
ELECTRICAL BINARY COMPUTER APPARATUS
Filed Aug. 14, 1958
19 Sheets-Sheet 2
<___.__________._.-.
S35.E2m=‘Zo6gO<LB:
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B.35 ‘.
Feb. 19, 1963
w. D. ROWE ET AL
3,078,040
ELECTRICAL BINARY COMPUTER APPARATUS
Filed Aug. 14, 1958
19 Sheets-Sheet 5
Sum- Difference Sign Control
SBM
ADM CHS
o
ToS-8 252
0
“OSign Bit
3-7
250
O’Sign Bit
Zero
One Output
Output
S-I7
8-6
FJ
-
8-2-7
I
8-5
_
Not Convert Input
2
_
F lg. 9.
Difference
T
3-17
Drive
343
47
o
8-37‘
Subtract
e,
3-4
5-20
7
S-l9
g:
%
Sum Drive
Clear And Add)
S-l8
s_24
S p ec''0 lSubtract
G’
s-2|
+4
I
G_
'
.S-24
l
S-3l
S 23
s 22
_i
ADl/ide Sign
N ClearAnd
"I SIO
' ~ -
$.25 Subtracg
0-27~
o
o
rO-28
o
Divide Lock Multiply
Sign Set
LOCK
Input Addend
From One
Memory
'
-
Fig.ll_
l_-oAdd
From Load M-Q
Set
l
Clear
Addend Addend Drive
Zero
<
:?‘
»To M-2o
Register Bus
From 3-9 o-_-—
M-53
I Set Zero
Reset M-Q
o
-ToM-I9
_ IOV'
0
Convert Normal
Drive
Feb. 19, 1963
w. D, ROWE ET AL
3,078,040
ELECTRICAL BINARY COMPUTER APPARATUS
Filed Aug. 14, 1958
19 Sheets-Sheet 6
Set Sign
Bit Positive
/ Set-l
Iov'
\
Reset
FromSS'l
°
‘P
'
*1
Reset Accumu lotor Bus
'
'
el?ilhply
Sign
Set One
Mu l? p | y 8‘ign
Se“) \s-o-iov'
Fi .IO.
g
0-7
?ea
iii“
Multiply Lock 0
o
Execute Bus
Divide
Lock
Not
Change
Sign
S-ll
s_9
T0 M - 5 2
S26
From M3 ‘5205
Divide Lock
_
S-lO
_
From O-l5 G
F |g.|2A.
From O-28 e
4?
Set Zero
To M'53
Feb. 19, 1963
w. D. ROWE ETAL
3,078,040
ELECTRICAL BINARY COMPUTER APPARATUS
Filed Aug. 14, 1958
19 Sheets-Sheet 7
Multiply
Lock
‘o—_—
From (M-53)
X—@ To (0-6)
M-l8
From (0-28)
From (O-27)
(FPr-lo4m) rom(S-3l)
To
From(P-2) From(20-5)
(ToCDlivo'cdek) HTo-l ExB-ecTufose
Stop-
EClock
;G
From (M-l2)
I?
I9
-26
-25
11:
(Hali)
P-24
0-22)
To
Reset Addend
Bus
I)
lock
Multiply
Lock
From (P-23)
To (20-54
M-I9
From Compliment
Execute Bus
Fig. l6
-
Lock
F 0
(M43)
Feb. 19, 1963
3,078,040
W. D. ROWE ET AL
ELECTRICAL BINARY COMPUTER APPARATUS
Filed Aug. 14, 1958
19 Sheets-Sheet 8
SHLc
g
cFrom N-5
H-I
ESLo-
H_5
Clock F e
.
4
H-2
~
H-9
2]—oshm Left Bus
'
H-3
Hg‘ '3'
H-8
W91”: Right Bus
Clock Der
Tolsolote Bus
SHR%
c From L-I
ESRF
End Around Shift Control
From 20-50%
i——-oTo P-II
H-I5
ESL
Fig. l4. >
H-I8
H_|4
ESJIIZP
To P40
H46
W7
jgrg? To 20-59
From P-I0—_
Intructions
S l
jc'ro 20-53
X Plone In
Y Plane In
Address
Memory
Memory
Information
Unit
Unit
2 3 4 5 6 7 8 9 IO II I2 l3 l4 l5 l6 I? I8 I9 20
Feb. 19, 1963
w. D, ROWE ETAL
3,078,040
ELECTRICAL BINARY COMPUTER APPARATUS
Filed Aug. 14, 1958
l9 Sheets-Sheet 10
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Feb}. 19, 1963
w. D, ROWE El‘AL
3,078,040
’
ELECTRICAL BINARY COMPUTER APPARATUS
Filed Aug. 14, 1958
19 Sheets-Sheet 11
Feb. 19, 1963
w. D. ROWE ETAL
3,078,040
ELECTRICAL BINARY COMPUTER APPARATUS
Filed Aug. 14, 1958
19 Sheets-Sheet 12
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Feb. 19, 1963
3,078,040
W. D, ROWE ET AL
ELECTRICAL BINARY COMPUTER APPARATUS
Filed Aug. 14, 1958
19 Sheets-Sheet 13
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Feb. 19, 1963
w. D. ROWE ETAL
3,078,040
ELECTRICAL BINARY COMPUTER APPARATUS
Filed Aug. 14, 1958
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Feb. 19, 1963
w. D. ROWE ETAL
3,078,040
ELECTRICAL BINARY COMPUTER APPARATUS
Filed Aug. 14, 1958
19 Sheets-Sheet '16
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Feb. 19, 1963
w. D. ROWE ETAL
3,078,040
ELECTRICAL BINARY COMPUTER APPARATUS
Fil e d
A53 H.92u5l6
14, 1958
l9 Sheets-Sheet 17
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Feb. 19, 1963
w. D. ROWE ETAL
3,078,040
ELECTRICAL BINARY COMPUTER APPARATUS
Filed Aug. 14, 1958
l9 Sheets-Sheet 18
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Feb. 19, 1963
3,078,040
w. 1:)v ROWE ET AL
ELECTRICAL BINARY COMPUTER APPARATUS
Filed Aug. 14, 1958
l9 Sheets-Sheet 19
2 am
United States Patent 0
1
ll
3,678,049
ELE€TRECAL BENARY CUMPUTER APPARATUS
William D. Rowe, Snyder, FLY” and Terry A. Jeeves,
Penn Hills Township, Allegheny County, Pa, assiguors
to Westinghouse Electric Corporation, East Pittsburgh,
Pa, a corporation of Pennsylvania
Filed Aug. 14, 1958, Ser. No. 755,062
12 Claims. (Cl. 235-164)
3?78, @
Patented Fela. 19, 1963
Z
of the arithmetic unit of the present electrical computer
apparatus;
HG. 4 is an additional showing of the arithmetic unit;
FIG. 5 is a schematic showing of a portion of the ap
paratus shown in FIG. 3;
P16. 6 is a schematic showing of a single stage of the
accumulator register operative with a single bit N of
input information;
PEG. 7 is a schematic showing of the sum and difference
The present invention relates, in general, to electrical 10 control circuit for an individual bit N of input informa
computer apparatus, and more particularly, to electrical
tion;
binary computer apparatus suitable for automatic con
FIG. 8 is a schematic showing of the multiplier and
trol and decision applications.
quotient register circuit operative with an individual bit
It is an object of the present invention to provide an
N of information;
improved electrical computer apparatus which is more 15
FIG. 9 is a schematic showing of the sum and difference
simple and reliable and faster in operation and requires
less complex circuitry than previous computer devices.
it is a further object of the present invention to pro
sign control circuit;
FIG. 10 is a schematic showing of the sign bit deter
vide an improved electrical binary computer apparatus
mining circuit for the accumulator;
FIG. 11 is the multiplier~quotient sign determining cir
utilizing a common circuit element throughout as a simi
cuit;
lar or standard circuit device as the main component and
thereby facilitating any maintenance and repair of that
PEG. 12A is a showing of the divide sign control cir
cuit and FIG. 12B is a showing of the multiply sign de
computer apparatus that may become necessary and de~
termining control circuit;
sirable.
PKG. 13 is the shift control circuit;
it is an additional object of the present invention to 25
FIG. 14 is the end-around shift control circuit;
provide an improved electrical binary computing appara
tus using static circuit elements capable of long, reliable
FIG. 15 is the multiplication counter circuit;
FIG. 16 is the multiply and divide control circuit;
PEG. 17 is a diagrammatic illustration of the instruc
and trouble-free operation and using a minimum of dis_
similar components and having a minimum time response
tion and address register device;
30
characteristic.
FIG. 18 is a block diagram of a suitable clock device
It is a still further object of the present invention to
as well known in the art;
provide an improved electrical computer apparatus for
FIG. 19 is a curve chart illustrating the basic timing
sequence for the present computer apparatus;
cluding N digits, which apparatus uses basic unitary
FEGS. 20A and 203 show a functional block diagram
circuit components such as NOR circuits, with each of 35 arrangement for the present computer apparatus; and
said NOR circuits having a similar circuit arrangement
FIGS. 21A, 21B, 21C, 21D, 21E, 21F, 21S and 23.8
and a similar operative characteristic to facilitate the
together comprise a schematic showing of the present
servicing and maintenance of said computer apparatus
arithmetic unit.
and to improve the reliability of said apparatus.
As industrial control problems become increasingly
It is a still additional object of the present invention
more di?icult and complicated, the use of both general
to provide improved electrical binary computer apparatus
purpose and special purpose type digital computer appara
use with two or more binary numbers of up to and in
having a more stable operation characteristic over wider
tus as control and decision devices is becoming of greater
ranges of temperature and having a smaller physical
importance. The ability or" digital computer devices to
size for a greater data handling cap-ability and having 45 handle large amounts of data and make more rapid and
lower power requirements and using standardized com
accurate calculations makes these devices quite adaptable
ponents to enable a lower cost of construction and having
to
tlhese industrial applications suitable for automatic con~
a greater flexibility of utility and operation.
tro .
it is a different object to provide an improved com—
The most important limitation in applying prior art
puter apparatus operative to provide and generate carry 50 digital computer devices to industrial control problems
signals prior to the receipt of an execute control pulse.
has been the relative low level of reliability of these de
t is a still different object of the present invention to
vices. An operating industrial machine with even a frac
provide an improved computer apparatus that does not
tion of one percent of down time or non-operating time
require intentional time delay circuits in the register
counter circuits for handling the binary information
stored in said register devices.
These and other objects and advantages of the present
invention will become still more apparent from a study
is in many instances not satisfactory as being too unre
liable. Further, in certain types of industrial machines, if
only a single failure should occur, this single failure may
be very disastrous and extremely expensive, and there
‘fore, it is very desirable that fail-safe type of control de
of the following description taken in conjunction with
vice for that machine be provided.
the drawings, wherein:
60 . In accordance with the teachings of the present inven
FIGURE 1 shows a diagrammatic view of one form
tion a computer device having a greater inherent relia
of the electrical computer apparatus in accordance with
bilitv and thereby more desirable for industrial control
the present invention;
applications has been provided wherein the complete
FIG. 2 is an illustrative diagrammatic view of elec
digital computer devices has been designed and con
trical computer apparatus in accordance with the present 65 structed using but a single common building block, name
invention and applied to control the screwdown setting
ly, a NOR circuit. The NOR circuit has been success
of a strip rolling mill in accordance with desired setting
fully proven to be highly reliable, and by building a digital
control information punched into an input card mem
computer device with but a single common component
er;
such as the NOR circuit, the maintenance and testing of
FIG. 3 is a diagrammatic showing of the addend reg 70 such a computer device is greatly facilitated in that each
ister, the accumulator register, the multiplier and quo
of the NOR circuits can be easily tested as may be de
tient register and the sum and difference control circuits
sired and each of the NOR circuits has the same opera
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