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Патент USA US3092320

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June 4, 1963
w. FLIEG ETAL
3,092,310
DATA PROCESSING APPARATUS
Filed Aug. 10, 1961
4 Sheets-Sheet 1
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BY
41 l/V K POBEPTS
AUTO/FIVE)’
June 4, 1963
3,092,310
W. FLIEG ETAL
DATA PROCESSING APPARATUS
Filed Aug. 10, 1961
4 Sheets-Sheet 2
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INVENTORS
WERNER rum
ATTORNEY
June 4, 1963
w. FLlEG ETAL
DATA PROCESSING APPARATUS
3,092,310
J1me 4, 1963
w. FLIEG ETAL
3,092,310
DATA PROCESSING APPARATUS
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United States Patent 0
3,992,319
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1
Patented‘ June‘ 4', 1963
2
FIGURE 4 is a side view of a key lever employed in the
3,092,310
aforesaid keyboard;
DATA PROCEFQEENG ARPARATKE
FIGURE 5 is a front view of an interlock device pro
Werner Fiieg, Brookline, and Stanley Francis Plaisanee,
Newton Center, Mass” assignors to Invac Corporation,
Waltham, Mass.
Filed Aug. 1%, 1951, Ser. No. 13%,547
13 Claims. (til. 234-52)
vention;
improved keyboard construction wherein provision is
keys 12, a pilot light 14, an off-on switch 15 and a power
made for assuring the transmission of valid data.
Still a further object of the invention is ‘to provide an
vices is a spacer bar 2!}- and a return key 22. It will be
vided in association with the aforesaid key lever;
‘FIGURE 6 is a top plan view of an element of a cod
ing arrangement employed in the keyboard of the in
FIGURE 7 illustrates a further element employed in
This invention relates to data processing equipment
operative combination with the key levers of the afore
10 said keyboard;
and more particularly to data recording apparatus.
It is an object of the invention to provide improved
FIGURE 8 is a sectional view through a photoelectric
data recording apparatus.
switch employed in the apparatus of the invention; and
A further object of the invention is to provide im
{FIGURE 9 illustrates a shutter element employed in
proved keyboards for recording data on record media
the keyboard of the invention.
15' The alpha-numeric keyboard illustrated in FIG. 1
such as paper tapes and the like.
Yet another object of the invention is to provide an
comprises generally a casing or frame 1%, a plurality of
supply line 13.
Included among the key operated de
electromechanical data sampling technique which insures 20 understood in the description which follows that the
against errors.
operation of such elements as members 20 and 22 will
In achieving the above and other of its objectives, there
is contemplated in accordance with the invention the
cause the recording on a record medium of a correspond
ing code group but that there is no corresponding typing
provision of means, which are actuated by a manual
operation as typing operations are not involved herein.
operation such as a typing operation, to provide mechan 25
Keys 12 are also seen in FIG. 2, wherein for each key
ical forces which assure that the manual operation is
is provided a key lever 24 (see also FIG. 4). Each key
brought to a predetermined termination point and that
lever 24 is provided with an aperture 26 positioned in
mechanical functions to be effected as a result of the
an end arm 28. At the other extremity of each key lever
manual operation are performed precisely. Said means
24 is provided an upright extension 30 whereupon is
further provide for the proper sampling of data or in 30 located a terminal portion 32 upon which is accommo
formation signals and the transmission of the properly
dated the associated key. The length of each key lever
sampled signals to a data recording apparatus such as a
24 corresponds to the position of the associated key in
tape punch or the like.
the keyboard arrangement.
According to one feature of the invention, provision
Also included in each key' lever 24 is a downward ex
is made for engaging the key levers of a keyboard dur 35 tension 34 and an inclined latch member 36, the purpose
ing the movement thereof in response to a manually ap
of these sections being hereinafter made apparent.
plied force in order to assume the movement of said key
levers to predetermined terminal positions of movement.
Key levers 24 are mounted on a shaft 38 in a bracket
46 mounted on frame 10. Each lever 24 is spring loaded
Furthermore, provision is made for maintaining the key
by a spring 42 and yieldably urged thereby to a normal
40
levers in position while certain auxiliary functions are
position of rest against a resilient stop or abutment 44
performed with respect to the encoding of data.
mounted on a strip 46 supported on the frame 10.
Another object of the invention relates to a unique
The key levers 24 may, for example, be arranged in
technique for generating an information sampling signal
parallel for downward displacement along respective par
in response to the controlling of movements of key levers
allel paths, but may, as well have other arrangements
45 such as in radial planes disposed about a common
According to still another feature of the invention,
center.
and the like.
keyboards provided in accordance therewith may be in
ternally or externally controlled.
A key lever interlock device 48 is provided which is
supported on a strip 5a al?xed to the frame 10. The
interlock device, which is also shown in FIG. 5, is a
Still further, the invention contemplates the provision
of apparatus having a unique touch response so that the 50 generally elongated member, the length of which exceeds
keyboard operator may readily detect when an opera
tion has resulted in the proper entry of data.
the breadth of the alignment of key levers 24.
Interlock device 48 is provided with a plurality of slots
52 which are arranged to accommodate respective of the
Advantageously, apparatus of the invention is uniquely
adapted for prolonged life with a minimum of mainte
nance.
Further, apparatus of the invention is susceptible of
being manufactured at low cost while incorporating all
of the conventional features available in more expensive
apparatus, as well as features not available in conven
55
key levers 24. In an elongated channel or chamber pro
vided Within device 48 ‘are accommodated a plurality of
balls ‘54, the collective dimension of which is less than
the overall length of the channel in device 48 by an
amount corresponding to about the Width of a single slot
52. This insures that only one key lever 24 may be en
tional apparatus.
The above objects, features and advantages of the in
vention will become apparent from the following detailed
description of a preferred embodiment of the invention
as illustrated in the accompanying drawing in which:
tered into a slot 52 at a time so that simultaneous opera
keyboard provided in accordance with the invention;
which is provided a ?rst plurality of parallel channels 58
and a second plurality of parallel channels 69 which are
perpendicular to the ?rst said charmels.
tion of two key levers 24 is prevented.
Located on the bottom of frame or casing 10 is a chan
nel member 55 (see also FIG. 6).
Channel member 56
is in the nature of a flat plate on the upper surface of
FIGURE 1 is a pictorial View of an alpha-numeric 65
FIGURE 2 is a longitudinal section of the keyboard of
FIG. 1 with the keys and some of the auxiliary elements
removed;
FIGURE 3 is a diagram of the keyboard of the inven
tion and associated electric and electromechanical ele
ments;
Channels 53 are equal in number to the slots 52 of FIG.
5 and the key levers 24 of FIGS. 2 and 4, and are adapted‘
to receive shutter members 62, which will be hereinafter
described in greater detail.
3,092,310
3
4
When a key lever 24 has been displaced by a predeter
At one end of channel member 56 is provided one or
more light sources 64 as diagrammatically illustrated in
FIG. 3, whereas at the other end of channel member ‘56 .
mined fraction of its path of travel, it will cause the as
sociated shutter 62 to commence isolating selected of
the photoelectric cells 66 from the aforesaid light source.
In a preferred embodiment of the invention, such an in~
is provided a plurality of separate photoelectric cells 66,
there cbeing‘provided' one photoelectric cell'for each of
the light beams formed by channels 60 (see FIG. 6).
As implied above; there is a shutter 62 provided in
terruption of the light beam will always be effected in
control channel 108.
.
This will cause a signal to be generated by photoelec
ciation with each key 12.
tric cell 86 which will be transferred via pulse sharpener
. Each shutter 62 is provided with an aperture 68 by’ 10 88 to one-shot multivibrator 90. One-shot multivibrator
means of which the shutter is pivotally mounted on a"
90 is a conventionally designed circuit having a square
shaft 70. Moreover, each shutter is provided with a
wave output pulse, the duration of which is about 20 mil
further aperture 72 by means of which each shutter is
liseconds. This output pulse operates solenoid 92.
spring loaded by a spring 74 connected to' a bracket 76
Upon operation of solenoid 92, bracket 98 is swung into
supported on the casing 10.
' '
'
15 engagement with the latch member 36 of the associated
Furthermore, each shutter is provided with an upwardly
key lever 24. The vector of movement of bracket ‘98 and
extending protrusion 73 by means of which the shutter is
the inclination of surface “110 of the latch member 36 ‘is
engaged by the superposed key lever 24. It is to be noted
such that lever 24 is moved into terminal position against
that each shutter is separate from the corresponding key
rubber cylinder 112, the corresponding shutter 62 also
lever '24, there being simply an abutting relationship 20 being moved to it's terminal position- Shutter 62 remains‘
therebetween when the associated key lever is depressed.
locked in position until the expiration of the output pulse
association with each key lever 24 and therefore in asso-'
, Each shutter 62 is provided'with a plurality of sections
1-9, any or all of which can be cut out according to a
of one-shot multivibrator 90 so that a ?xed period of time
during which to sample the information signals Which'are
concomitantly generated is assured.
predetermined code. 'Sta-ted votherwise, coded combina
tions are provided in each of the shutters 62 in'accordance 25
At the same time as a signal is being generated in photo
with the item of information or character represented by
electric cell 86, data or information signals are being gen-_
the associated key 12. In addition, there is provided a'
erated in other of the photoelectric cells 66 according to
strobe channel 80, the purpose ‘of which will be herein
the coded arrangement of apertures in the operated shutter
after indicated ‘even though the details thereof do not ’ 1 62. These information signals are transmitted to and
form a part of this invention.
'
'
'
gates 114 which are of conventional design.‘ And-gates
In FIG.‘ 2 it will be noted that the shutters are adapted
.114 block these information signals until conditioned or
primed to pass the same.
i
for selectively extending into channels 60 in member 56
K To produce a priming signal, solenoid 92 is mechanical
and as a result the shutters are _adapted for selectively
isolating the’ photoelectric'cells v66 from the light source
” ly connected to photoswitch 116 (see FIGS. 2, 3 and 8).
of source 64.- This in known manner, conventionally 35 More particularly, the armature 94 of solenoid 92v is'
operates to change the electrical state of said photoelectric
cells to provide electrical signals.
’
connected to the shutter 118 of photoswitch 116, the
shutter therefore partaking of the movement of the
‘
. Shutters 62' are- ‘yieldably maintained in a position of
rest against a resilient pad 82 and are displaced therefrom
V
solen'oid’s armature. '
.
Internally of photoswitch 116 is accommodated a light.
,in a direction of ‘resilient pad 84 under the influence’ of 40 source. 12!) and a photo-responsive device or cell 122
the associated key levers 24. i
which are isolated ‘from one another except when aper
It is, not intended in accordance with the‘invention,’
however, that manual operation of keys 12 bring shutters
62 to their respective terminal positions against pad 84
directly._ For in accordance with the invention, an
auxiliary electromechanical ' arrangement is provided
whichlassumesrthe function of so displacing the shutters.
V More particularly, with reference to FIG. 3, it will be
seen that one of the photoelectric cells such as, for ex
ample, photoelectric cell 86, is connected to a pulse sharp 50
'
ture 124 of shutter 118 is aligned with passageways 126
and 129. A spring 7130 is provided by means of which.
shutter 118 is normally maintained in a position whereat
cell 122 is isolated from lightsource 120.
‘Operation of photoswitch 116 causes a signal to be
transmitted from photoelectrickcell 122 via line 132 to
gates 11=4 whereby information signals are transmitted
to record medium marking devices 134.
. Although
di?erent types of record marking de- 7
ener 88 which in turn is connected to a one-shot multi
vices may be employed, there is ‘diagrammatically, illus
brator 90. ‘One-shot mu'ltivibrator 90 is‘ in turn con
nected, to a solenoid or other‘ such‘ electromechanical
trated in FIG. 3 a coil- 36 cont-rolling a punching pin
, 138, there being provided a series of pins 138 adapted for
punching coded combinations of holes into a paper tape.
device 92, which is also shown in FIG. 2.
'
Solenoid 92 is provided‘ with an armature 94 displace
able‘ in conventional manner and pivotally connected by
pin 96 to a pivotal member of 'U-shaped bracket 98, seen.
also in FIG. 7.
Actually, two solenoids 92 are provided, one at each;
extremity of bracket 98, but only one is shown and dis 60
cussed for purposes of clarity.
Bracket 98 is pivotally supported by a shaft ‘100 extend
ing transversely of said key levers 24. The lower ex
tremity 102 of U-shaped bracket’ 98 extends beneath and
along the key levers 24. The breadth of bracket 98 exé 65
ceeds that of the array of key levers 24 so that engage
ment may be made with the latch members of each of th
7 From what has been stated above, it will be obvious that
operation of a shutter 62 selectively isolates photoelectric
cells 166 from light source or sources 64 whereupon Sig-,
. nals are fed to and-gates 114. At the same time, a signal .
generated in photoelectric cell 86 passes via pulse sharp
ener 88 and one-shot multivibrator 90 to solenoid 92. '
Solenoid 9‘2' performs two functions. Through the
intermediary of bracket 98'it causes the associated key
Ilever 24 and shutter 62 to move to terminal position and
maintains said elements in this position. At the same
time, with a tolerable delay of no more than about 6 milli- .
seconds required to home the armature 94, the -photo~
switch 116 is operated to gate the information signals.
through gates 114 to ‘operate punching devices134.
Bracket 98 is spring loaded by a spring 1014 connected
As ‘an alternative option, the strobe channel 80' (FIG.
to a strip 106 ?xed to casing 10. Thus, in FIG. 2, bracket 70 9) may be employedto generate a delayed sampling
latter.
‘
98 is yieldably urged in clockwise direction around.
signal which will appear, for example, at terminal 140.
shaft 100.
The signal at terminal 148 can as desired be applied to .
.
1 Operation ‘of solenoid 92 acts through armature 94 to
gates 1,14. The signal appearing at terminal~140 will’ be
displace bracket 93 in counterclockwise direction around
delayed inasmuch as channel 89 is recessed relative to the‘
shaft 100 in opposition to the force of spring 194..
75 ‘leading edge of each shutter.
3,092,310‘
5
6
Although a one-shot multivibrator 96 has been in
dicated, it is possible to omit this circuit and employ ter
tion in the corresponding one of the second said channels,
spring means engaging said pivotal means and urging the
uninals 142 and 144 to which can be coupled an associated
same to a normal inoperative position, solenoid means
data processing apparatus from which a solenoid control
channel may be tapped.
There Will now be obvious to those skilled in the art
many modi?cations and variations of the arrangements
set forth above. These modi?cations and variations will
not, however, depart from the scope of the invention if
engaging said pivotal means for urging the latter into a
position for engagement with said latching means, and
de?ned by the following claims.
What is claimed is:
1. In apparatus comprising means for generating a
plurality of electrical signals: means displaceable to de
terminable positions relative to the ?rst said means for
means for driving said solenoid means and coupled to
at least one of said photoelectric cells and being actuated
thereby to actuate said solenoid means for a determinable
10
period of time.
5. Data processing apparatus comprising a plurality
of keys operatively associated in keyboard arrangement,
each key corresponding to an item of information to be
recorded, a plurality of levers respectively coupled to and
supporting said keys, means pivotally supporting said
selectively altering said signals, means for locking the 15 levers, a key lever abutment, spring means coupled to
second said means in said positions, the third said means
said levers and maintaining the same normally against
being responsive to one of said signals for performng
said abutment in a position of rest, said levers being dis
a locking operation for a determinable period of time,
place'able from said abutment in opposition to said spring
recording means, gating means adapted for connecting
means, shutters operatively disposed beneath said levers
the ?rst said means to said recording means for actuat 20 and adapted to be engaged thereby upon displacement of
ing the latter with selected of said signals, and means
said levers, means pivotally supporting said shutters =for
responsive to the actuation of the third said means for
‘conditioning said gating means to pass said signals to said
recording means.
2. Apparatus comprising means ‘for generating a plu
rality of electrical signals, means displaceable to deter
minable positions relative to the first said means for se
lectively altering said signals, lock'ng means for locking
displacement along parallel paths, a shutter stop, spring
means urging said shutters against said stop to a normal
position of rest, a channel member beneath said shutters,
said channel member de?ning a ?rst plurality of parallel
channels parallel to and adapted for accommodating re
spective of said shutters and a second plurality of parallel
channels perpendicular to the ?rst said channels, a light
the second said means in said positions, said locking
source at one end of the second said channels, photo
means being responsive to one of said signals for per 30 electric cells at the opposite ends of the second said chan
forming a locking operation for a determinable period
nels and respectively corresponding thereto, said shutters
of time, recording means, gating means adapted for con
being respectively provided with coded arrangements of
necting the ?rst means to said recording means for actuat
openings at least in part corresponding to a code for the
ing the latter with selected or" said signals, and means
items of information related to corresponding of said keys
responsive to the actuation of said locking means for con 35 whereby on displacement of the shutters into the second
ditioning said gating means to pass said signals to said
said channels selected or" said photoelectric cells are iso
lated from said light source, record medium marking
3. Apparatus comprising means for generating a plu
means coupled to those of said photoelectric cells corre—
rality of electrical signals, mews displaceable relative to
sponding to openings in the shutters adapted for repre
the ?rst said means for selectively altering said signals, 40 senting information, latching means on said key levers,
electromechanical means for locking the second said
pivoted means adapted to engage the latching means of
means in positions to alter said signals, said electrome
an actuated key lever and through the latter said key lever
chanical means being responsive to at least one of signals
to maintain the associated shutter in predetermined posi
for performing a locking operationf or a determinable
tion in the corresponding one of the second said channels,
spring means engaging said pivotal means and urging
period of time, recording means, gating means adapted for
recording means.
connecting the ?rst said means to said recording means
the same to a normal inoperative position, solenoid means
for actuating the latter with selected of said signals, and
engaging said pivotal means for urging the latter into a
means responsive to the actuation of said electromechan
position for engagement with said latching means, means
ical means for conditioning said gating means to pass said
for driving said solenoid means and coupled to at least
signals to said recording means.
50 one of said photoelectric cells and being actuated thereby
4. Apparatus comprising a plurality of keys, each key
to actuate said solenoid means for a determinable period
of time, gating means interposed between the photoelec
corresponding to an item of information to be recorded,
levers respectively coupled to said keys, means pivotally
tric cells adapted for encoding information and said record
supporting said levers, shutters operatively disposed be
medium marking means, and a photoelectric switch con
nected to the solenoid means and said gating means and
neath said levers and adapted to be engaged thereby,
means supporting said shutters for displacement along
parallel paths, a channel member beneath said shutters,
said channel member de?ning a ?rst plurality of parallel
channels parallel to and adapted for accommodating re
spective of said shutters and a second plurality of parallel
channels perpendicular to the ?rst said channels, a light
source at one end of the second said channels, and respec
tively corresponding thereto, said shutters being respec
tively provided with coded arrangements of openings at
actuated by the solenoid means to condition said gating
means to couple the latter said photoelectric cells to said
record medium marking means for the recording of in
formation on a record medium.
6. Data processing apparatus comprising a plurality
of keys operatively associated in keyboard arrangement,
each key corresponding to an item of information to be
recorded, a plurality of levers respectively coupled to and
supporting said keys, means pivotally supporting said
least in part corresponding to a code for the items of 65 levers, a key lever abutment, spring means coupled to
said levers and maintaining the same normally against
information related to corresponding of said ‘keys where
said abutment in a position of rest, said levers being dis
by on displacement of the shutters into the second said
placeable from said abutment in opposition to said spring
channels selected of said photoelectric cells are isolated
means, shutters operatively disposed beneath said levers
from said light source, record medium marking means
coupled to those of said photoelectric cells corresponding 70 and adapted to be engaged thereby upon displacement
of said levers, means pivotally supporting said shutters
to openings in the shutters adapted for representing in
for displacement along parallel paths, a shutter stop,
formation, latching means on said key levers, pivoted
spring means urging said shutters against said stop to a
means adapted to engage the latching means of an actu
normal position of rest, an interlock device extending
ated key lever :and through the latter ‘said key lever to
maintain the associated shutter in predetermined posi 75 transversely of said levers and provided with slots to
3,092,310
7
accommodate and guide said levers on actuation thereof, .
said device being provided with an elongated chamber
communicating with said slots and of predetermined
length, ‘a plurality of balls in said chamber having a collective effective dimension which is less than said pre
determined length by an amount substantially equal to
I adapted for selectively isolating‘said cells from said source
according to a predetermined code, and key levers manual
lg operable to actuate said shutters, the combination com
prising: extensions on said key levers and displaceable
with the latter to respective determinable positions, a U,
shaped bracket, means pivotally supporting said bracket
the width of a slot whereby only one said slot can accom
modate a key lever at a time, a, channel member beneath
,:so that engagement can be made with an extension which
said shutters, said channel member de?ning a ?rst plural
ity of parallel channels parallel to and adapted for accom
modating respective of said shutters and a second plural-~
ity of parallel channels perpendicular to the ?rst said.
:said extensions having surfaces inclined relative to said
channels, a light source at one end of the second said
is displaced to the corresponding determinable position,
bracket and said bracket having a movement vector such
' that engagement of an extension by said bracket dis—
places said extension and the associated key lever and
therefore the associated shutter, a bracket stop, a spring
engaging said bracket and urging the same to inactive
channels, photoelectric cells at the opposite ends of
the second said channels and respectively corresponding: 15 position against said stop, a solenoid engaging said brack
=et to displace the same to an active ‘position for engaging
thereto, said shutters ‘being respectively provided with;
coded arrangements of openings at least in part corresponding to the code for the items of information related
to corresponding of said keys whereby on displacement
of the shutters into the second said channels selected of
said photoelectric cells are isolated from said light source,.
record medium marking means coupled to those of said
photoelectric cells corresponding to openings in the shutters adapted for representing information, latching means:
extensions in said determinable positions, a further photo
electric cell operatively ‘disposed relative to said light
source and adapted for being isolated therefrom by said
shutters, a one-shot multivibrator coupled to and actuated
by said further photoelectric cell upon isolation of the
latter from said light source, said one-shot multivibrator
being coupled to and actuating said solenoid whereby said
bracket is actuated, gating means adapted, upon- being
said key levers, pivoted means adapted to engage 25 conditioned, for coupling the ?rst said photoelectric cells
to said recording means for controlling the latter, and a
latching means of an actuated key lever and through
switch connected to said gating means for conditioning
latter said key lever to maintain the associated shut
the same, said switch being connected to and actuated by’
in predetermined position in the corresponding one
said solenoid.
of the second said channels, spring means engaging said
9. In data processing apparatus including data record
pivotal-means and urging the same to a normal inopera 30
tive position, solenoid means engaging said pivotal means
ing means, a plurality of photoelectric cells, a light source
for urging the latter into a position ‘for engagement with
operatively disposed with respect to said cells, shutters
adapted for selectively isolating said cells from said source
said latching means, means for driving said solenoid
according to a predetermined code, and key levers manual
means and coupled to at least one of said photoelectric
cells and being actuated thereby to actuate said solenoid. 35 ly operable to ‘actuate said shutters, the combination com
prising: extensions on said key levers and displaceable
means for a determinable period of time, gating means
interposedbetween the photoelectric cells adapted for
with the latter to respective determinable positions, a
encoding information and said record medium marking
bracket, a pivot pivotally supporting said bracket so that‘
engagement can be made with an extension which is dis
means, and a photoelectric switch connected to the sole
noid means and said gating means and actuated by the 4,0 placed to the corresponding determinable position, said
bracket having a movement such that engagement of an
solenoid means to condition said gating means to couple
extension by said bracket further displaces said extension
the latter said photoelectric cellstto said record medium’
marking means for the recording of information on a
and the associated key lever and shutter, ?rst means en
gaging said bracket to displace the same to an active
record medium.
7. In data processing apparatus including data record 45 position for engaging extensions in said determinable
positions, a further photoelectric cell operatively disposed
ing means, a plurality of photoelectric cells, a light source
relative to said light source and adapted for being isolated
operatively disposed with respect to said cells, shutters
therefrom by said shutters, second means coupled to and
adapted for selectively isolating said cells from said source
actuated by said further photoelectric cell upon isolation‘
according to a predetermined code, and key levers manual
ly operable to actuate said shutters, the combination com 50 of the latter from said light source, said second means
being coupled to and actuating said ?rst means whereby
prising: extensions on said key levers and displaceable
said bracket is actuated, gating means adapted, upon being
with the latter to respective determinable positions, ?rst
conditioned, for coupling the ?rst said photoelectric cells
means for engaging said extensions and displacing the same
to said recording means for controlling the latter, an auxil
and the associated key levers and shutters, second means
on
the
the
ter
for engaging said ‘first means to displace the same to an 55 iary photoelectric cell, an auxiliary light source operative
‘ly associated with said auxiliary cell, said auxiliary cell
active position for engaging extensions in said determin
being connected to said gating means for conditioning
able positions, a furthertphotoelectric cell operatively dis
the same, and an auxiliary shutter adapted to isolate said
posed relative to said light source and adapted for being
auxiliary cell and source for conditioning said gating
isolated therefrom by said shutters, third means coupled
to and actuated by said further photoelectric cell upon 60 means, the latter said shutter being connected to and actu-'
ated by said ?rst means with said bracket in engagement
isolation of the latter from-said light source, said third
means being coupled to and actuating said second means
whereby said ?rst means is actuated, gating means adapted,
upon being conditioned, for coupling the ?rst said photo
with one of said extensions.
'
I 10. In data processing apparatus including data record
ing means, a plurality of photoelectric cells, a light source
electric cells to said recording means for controlling the 65 operat-ively disposed with respect to said cells, shutters ,
adapted for selectively isolating said cells from said source
latter, an auxiliary photoelectric cell, an auxiliary source
operatively associated with said auxiliary cell, said auxili
according to a predetermined code, and key levers manual
ary-‘cell being connected to said gating means for condi—
ly operable to actuate said shutters, the combination com
prising: extensions on said key levers and displaceable
tioning the same, and an auxiliary shutter adapted to iso
late said auxiliary cell and source for conditioning said 70 with the latter to respective determinable positions, a
bracket, a pivot pivotally supporting said bracket so that
gating means, the latter said shutter being connected to
engagement can be made with an extension which is dis
and actuated by said second means.
8.»In data processing apparatus including data record
placed to the corresponding determinable position, said
ing means, a plurality of photoelectric cells, a light source
bracket having a movement vector such that engagement
operatively disposed with respecttto said cells, shutters 75 of an extension by said bracket further displaces said ex- ,
10
tension and also the associated key lever and shutter, a
solenoid engaging said bracket to displace the same to an
the associated shutter, a solenoid engaging said bracket
to displace the same to an active position for engaging
extensions in said determinable positions, a further photo
electric cell operatively disposed relative to said light
source and adapted for being isolated therefrom by said
active position for engaging extensions in said determin
able positions, a further photoelectric cell operatively dis
posed relative to said light source and adapted for being
isolated therefrom by said shutters, means coupled to
shutters, a one-shot multivibrator coupled to and actu
and actuated by said further photoelectric cell upon iso
ated by said further photoelectric cell upon isolation of
lation of the latter from said light source, said
being
the latter from said light source, said one-hot multivi
coupled to and actuating said solenoid whereby said
brator being coupled to and actuating said solenoid
bracket is actuated, gating means adapted, upon being 10 whereby said bracket is actuated, gating means adapted,
conditioned, for coupling the ?rst said photoelectric cells
upon being conditioned, for coupling the ?rst said photo
to said recording means for controlling the latter, an
electric cells to said recording means for controlling the
auxiliary photoelectric cell, ‘an auxiliary light source oper
latter, an auxiliary photoelectric cell, an {auxiliary light
source operatively associated with said auxiliary cell, said
cell being connected to said gating means for conditioning 15 auxiliary cell being connected to said gating means for
the same, and an auxiliary shutter adapted to isolate said
conditioning the same, and an auxiliary shutter adapted
atively associated with said auxiliary cell, said auxiliary
auxiliary cell and source for conditioning said gating
means, the latter said shutter being connects to and
actuated ‘by said solenoid.
to isolate said auxiliary cell and source for conditioning
11. In data processing apparatus including data re
cording means, a plurality of photoelectric cells, a light
source operatively disposed with respect to said cells,
shutters adapted for selectively isolating said cells from
said source according to a predetermined code, key levers
manually operable to actuate said shutters, and a key
lever stop, the combination comprising: extensions on
said key levers and displaceable with the latter to respec
tive determinable positions, a bracket, means pivotally
13. In data processing apparatus including data re
cording means, a plurality of photoelectric cells, a light
source operatively disposed with respect to said cells,
shutters adapted for selectively isolating said cells from
said source according to a predetermined code, and key
levers manually operable to actuate said shutters, the
combination comprising: extensions on said key levers
and displaceable with the latter to respective determin
able positions, a U-shaped bracket, means pivotally sup
said gating means, the latter said shutter being connected
to and actuated by said solenoid.
supporting said bracket so that engagement can be made
porting said bracket so that engagement can be made With
with an extension which is displaced to the corresponding 30 an extension which is displaced to the corresponding de
determinable position, said extensions having surfaces in
clined relative to said bracket and said bracket having a
movement vector such that engagement by said bracket
displaces said extension until the associated key lever
abuts the key lever stop, a solenoid engaging said bracket
terminable position‘, said extensions having surfaces in
clined relative to said bracket and said bracket having
a movement vector such that engagement of an exten
to displace the same to an active position for engaging
sion by said bracket displaces said extension and the
associated key lever and therefore the associated shutter,
a bracket stop, a spring engaging said bracket and urging
said extensions, 21 further photoelectric cell operatively
disposed relative to said light source and adapted for being
the same to inactive position against said stop, a solenoid
engaging said bracket to displace the same to an active
isolated therefrom by said shutters, a one-shot multivi
position for engaging extensions in said determinable
brator coupled to and actuated by said further photo 40 positions, a further photoelectric cell operatively disposed
electric cell upon isolation of the latter from said light
relative to said light source and adapted for being iso
source, said one-shot multivibrator being coupled to and
lated therefrom by said shutters, a one-shot multivibrator
actuating said solenoid whereby said bracket is actuated,
coupled to and actuated by said further photoelectric cell
gating means adapted, upon being conditioned, for cou
upon isolation of the latter from said light source, said
pling the ?rst said photoelectric cells to said recording 45 one-shot multivibrator being coupled to and actuating
means for controlling the latter, an auxiliary photoelec
said solenoid whereby said bracket is actuated, gating
tric cell, an auxiliary light source operatively associated
means adapted, upon being conditioned, for coupling the
with said auxiliary cell, said auxiliary cell being con
?rst said photoelectric cells to said recording means ‘for
nected to said gating means for conditioning the same,
controlling the latter, an auxiliary photoelectric cell, an
and an auxiliary shutter adapted to isolate said auxiliary
auxiliary light source operatively associated with said
cell and source for conditioning said gating means, said
auxiliary cell, said auxiliary cell being connected to said
shutter being connected to and actuated by said solenoid.
gating means for conditioning the same, and an auxiliary
12. In data processing apparatus including data record
shutter adapted to isolate said auxiliary cell and source
ing means, a plurality of photoelectric cells, a light source
for conditioning said gating means, the latter said shutter
operatively disposed with respect to said cells, shutters 55 being connected to and actuated by said solenoid with
adapted for selectively isolating said cells from said source
said bracket in engagement with one of said extensions.
according to a predetermined code, and key levers manu
ally operable to actuate said shutters, the combination
References Cited in the ?le of this patent
comprising: extensions on said key levers and displaceable
UNITED STATES PATENTS
with the latter to respective determinable positions, a 60
bracket, means pivotally supporting said bracket so that
engagement can be made with an extension which is dis
placed to the corresponding determinable position, said
extensions having surfaces inclined relative to said brack
et and said bracket having a movement vector such that 65
engagement of an extension ‘by said bracket displaces
said extension and the associated key lever ‘and therefore
2,077,391
2,637,398
2,876,650
2,901,042
2,938,666
3,032,163
Bryce ________________ __ July 9,
Watson et a1 ___________ __ May 5,
Sangster _____________ __ Mar. 10,
Blodgett _____________ __ Aug. 25,
Rand _______________ __ May 31,
1935
1953
1959
1959
1960
Flieg ________________ __ May 1, 1962
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