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Патент USA US2403454

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July 9, 1946.
'
F. H. OWENS
2,403,454
PROGRAM PRESELECTING AND CONTROL APPARATUS
Filed Nov. l0I 1942
9 Sheets-Sheet l
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INVENTOR
FREEMAN H. OWENS
BY
_
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ATT
July *9, 1946.
2,403,454
F. H. OWENS
PROGRAM PRESELECTING AND CONTROL APPARATUS
Filed Nov. 10, 1942
9 Sheets-Sheet 2
_
INVENTOR
FREEMAN H. OWENS
July 9; 1946.
2,403,454
F. H. OWENS
PROGRAM PRESELECTING AND CONTROL APPARATUS
Filed Nov. 10, 1942
9 Sheets-Sheet 3
INVENTOR
Q FREE MAN
BY
H. OWENS
éATgé’RxNEY
July 9, 1946.
F. H. OWENS
2,403,454
. PROGRAM PRESELECTING AND CONTROL APPARATUS
9 Sheets-Sheet 4
Filed Nov. 10,1942
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INVENTOR
FREEMAN H. OWENS
ATT
July 9, 1194-6“
2,403,454
F. H. OWENS
PROGRAM PRESELEGTING AND CONTROL APPARATUS
Filed Nov. 10, 1942
9 Sheets-Sheet 5 v
/
’
INVENTOR
F REEMAN H. OWENS
BY
‘ ATT" RNEY
'
JulyS, 1946,
F. H. OWENS
PROGRAM PRESELEGTING AND CONTROL APPARATUS
~ Filed Nov. 10, 1942
9 Sheets-Sheet 6
INVENTOR
FRE EMAN H. OWENS
1
July 9, 1946.
I
F. H. OWENS
2,493,454
PROGRAM PRESELECTING AND CONTROL APPARATUS
Filed Nov. 10, 1942
9 Sheets-Sheet '1
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INVENTQR
FREEMAN H. OWENS
BY
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July 99 “1946-
F. H. OWENS
2,403,454
PROGRAM PRESELECTING AND CONTROL APPARATUS
Filed Nov. 1-0, 1942
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9 Sheets-Sheet 8
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INVENTOR
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FREEMAN H. OWENS
BY
‘
ATT Iii‘ Y
July 9, 1946'
'
F. H. OWENS
2,403,454
PROGRAM PRESELECTING AND CONTROL APPARATUS
Filed Nov. 10, 1942
_
9 Sheets-Sheet 9
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INVENTOR
FREEMAN H. OWENS
BY
2! Akniuz‘Yé gin-
2,403,454
Patented July 9, 1946
UNITED‘ STATES ‘PATENT OFFlCE
2,403,454
PROGRAM PBESELECTING AND CONTROL
APPARA
Freeman H. Owens, New York, N. Y.
Application November 10, 1942, Serial No. 465,155
‘
a Claim:-
(Cl. zoo-s7)
The invention here disclosed relates to appa
ratus for preselecting certain programs or se
quences and is a continuation-in-part of inven
tions disclosed and covered in copending patent
applications, Ser. No. 397,504 ?led June 10, 1941,
and Ser. No. 450,449 ?led July 10, 1942.
Special objects of the present invention are
to improve and simplify structural and electrical
invention. The illustration therefore is to be
considered primarily for purposes of disclosure
and not by way of limitation, the actual scope
of the invention being as hereinafter broadly
de?ned and claimed.
~
Fig. 1 is a broken iront‘elevation of a present
embodiment of the invention.
I
Fig. 2 is a vertical sectional view on a larger
scale and as on substantially the plane or line .
features and to make it easier to set up the
, ‘
10 2-2 01118.3.
apparatus for any desired program of events.
Fig. 3 is a broken longitudinal-sectional view
Particularly it is an object of this invention
as on substantially the plane 0! line 3-3 of
to enable the apparatus when applied to radio
Fig. 2. Fig. 3a is a broken detail of the iader
reception, to .be quickly adjusted for reception of
mechanism.
stations in the various wave bands outside oi
Fig. 4 is a broken horizontal sectional view on
the usual broadcast bands, for example, in the 15 substantially the plane of line 4-4 of Fig. 3.
short wave ?eld, frequency modulation, television
Fig. 5 is a broken sectional detail of the rocking
and the like.
Other special objects are to reduce the amount
' of necessary wiring, enable quick and easy as
spring toggle voting switch and lock mechanism
as on substantially the line 5-5 of Fig. '7.
Fig. 6 is a similar view 01' the unlocking cam
semblage of the parts, to simplify and reduce 20 for the voting switch, substantially on the line
the number of necessary parts for the selector
6-6 of Fig. 7.
I
_
switches and to provide the timing switch in
Fig. '7 is a vertical sectional detail as on sub
a more practical form, in which the relatively
stantially the plane of line 'l-‘l of Fig. 5.
moving parts are protected against wear, so
Fig. 8 is apart sectional broken detail of the
25
as to maintain accuracy of timing.
timing switch as on substantially the line 0-8
A iurther object of the invention is to provide
a simpli?ed form of master control by which the
program selecting mechanism can be turned off
at any time without shutting off the time clock
and without upsetting any program for which
the selector keys have been set.
of F18. 2.
line 9-9 of F18. 8.
,
otFig. 8. '
. Fig. 12 is a broken vertical sectional view of
the recorder.
Fig. 13 is a similar view as on line l3-l3 of
‘
‘ F18. 12..
Fig. 14 is a broken sectional view 01 the mi
crometer tuning mechanism.
simple, well protected and easily removable form’
Fig. 15 is a wiring diagram.
Figs. 16 and 17 are broken front and vertical
sectional views 01' one modi?cation and Figs.
18, 19, are similar views of another modi?ed
form of the invention.
of record mechanism.
Other objects are to provide the complete ap
paratus in a compact, small, light, inexpensive,
‘portable unit, attractive in appearance and with
the necessary control parts arranged in readily
understandable relation.
_
Other desirable objects will appear as the
speci?cation proceeds.
-
_
l0-l0 of Fig. 9.
Fig. 11 is a similar view as on line ll-H
‘
Further objects are to provide a simple and
reliable form of micrometer control for accurate
ly setting the tuning units and to provide a
_
Fig. 10 is a sectional detail as on the line
Another object is to provide a simple form of
means for "fading out” one program and "-Iad
ing in” another in the selecting function of the
machine.
I
Fig. .9 is a broken part sectional view as on
45
Fig. 20 is a brokensectional detail illustrating '
another modi?cation.
In the present disclosure, there is illustrated
a radio receiver of the small portable or table
type, having nine different tuners, each of which
which the purposes of the invention are attained
can be set to. receive stations in three different
are set forth in the following, broadly covered 50 .wave bands and which can be set in each in
in the claims and illustrated by way of practical
stance to the desired sound level. The stations
example in the accompanying drawings. It is
so tuned and volume controlled can be auto
realized however, that actual physical structure
matically brought in at selected times by set
may be modi?ed and changed in various ways
ting time keys slidingly arranged in two banks
55
all within the true spirit and broad scope oi the
The novel features and combinations through
.
4 2,403,454
3
O
.
at opposite sides of a centrally disposed station
indicating vpanel.
Voting
_
or the recording- of
opinions also is provided for.
-
'
-
4
a
.
termediate bend enables these wires to be held
against turning in the narrow and relativel', .ieep
slots in the backs of the slides. .The intermediatev
bowed portion in addition to holding the wire to
a ‘
The tuners, designated l to 9," in Fig. 1, have
manual controls 20, and below each is a switch
handle 2|, which can be turned to any one of
t
' move with the slide, imparts a spring quality to
the opposite'end portions causing these to act as
three positions, designated A, B, C, for tuning
- spring ?ngers. The upper V-shaped brush tip is.
in on different wave bands, such as for broadcast,
kept in engagement with the vertical contact wire
by sliding in the vertical groove, in which that
'10 wire is laid and the lower V-shaped tip acts
The key slides are designated 22; and are pro
as a spring detent in the V.-sh‘aped grooves to
vided one for- each ?fteen minute, broadcast or
short wave stations, frequency modulation or the
like.
7
retain the slide in variously shifted positions.
other predetermined interval, throughout the
Also by reason of the~arched shape, the inter
range of time intended to be covered by the set,
such as in the illustration the twenty hour in 15 mediate portion of the brush wire is fully clear
of any intermediate bus wires which it spans.
terval running from 6 o'clock in the morning to
As a visual aid to the accurate positioning of
2 o'clock at night. There are thus eighty of
the slides, the latter'may be ridges as indicated
these slides and they are shown arranged ver
at 45, on their front exposed faces in such rela
tically in close side-by-side relation, one half
that all the ridges should register in all
of them to the left and the other half to the 20 tion
selecting positions of the slides.
right of a central indicating panel 23, carrying
The vertical, time selecting wires are shown as,
station designations or the like for the nine dif
secured
‘in the vertical groOves by having theirv
ferent tuners. Each slide is shown as having a
lower ends bent and passed back through open
forwardly projecting ?ngerhold 24, by which it
ings in the panel at 46, and their upper ends bent
may be shifted vertically to any one of the nine
diil'erent positions indicated, or to the lower, "of!" 25 back through notches 41, in the upper edge of
position indicated at 25. _
-
'
the panel.
,_
The horizontally extending station
representing wires or buses are indicated in Fig. 3,
as secured in the V-shaped grooves by having
slides identi?es them as to the broadcast or other
their
ends bent back through notches 48, in the
time intervals
to
which
they
refer.
‘
'
These keys
ends of the back panel.
30
thus show by their positions, stations which have
The time clock mechanism is indicated as in
been selected and the times at which such sta
cluding a constant speed electricsmotor- at,49,
tions will be brought in. ' _
which through proper gearing 50, rotates a dis~'
A hinged cover is indicated at 21, over the front
tributor arm 5|, one revolution for each twenty~
of the set which may be transparent or have a,
four hours. This arrn carries a, brush 52, ,having ‘
window to ‘expose the setting of the slides and 35,
a current collecting branch 53, bearing on a cur- .
this cover, if desired, may be equipped with‘ a
rent supply ring 54, and another portion 55, en-_ ,
suitable lock to protectthe set against unauthor_
A horizontally extending scale 28, below the
gaging contact segments 56, connected by Wiring
. ized or undesired meddling.
5?, with the vertical time wires 40.
A twenty-four hour clock is shown at 28, cen~
trally disposed above the keys and forming part 40
'
As shown‘ particularly in Fig. 3, each-complete
Voting is provided for by a lever indicated at
time connection may be a single continuous length
of wire, having a vertical, portionset in a ver
tical slot in the back panel'and an integral con
lever or button is shown the "on" and "01!” con- .
cular series by .being located in radial slots 58,
of the time train which effects the time se1ec~
tion.
>
‘
-
necting portion 51, extending to a brush contact
28, which can be turned to either a "yes” or a 45 portion
56. The latter are positioned in a cir- _
“no" position and directly in front of this voting
trol knob 30.
in an annular support 59, on the back of the
panel, held so by a retainer ring- Gil, slipped into
I
The switch keys, as shown particularly in Figs.
2 and 4, are small thin slides of suitable insulat
ing material, con?ned in flat side-by-side' rela
tion between spaced front andback panels 3|,
32, the front panel being open at 33, for passage
of the key projections 24.
The backs of the key slides are shown longi
50
time clock mechanism. The inner ends of the
brush contact portions of these wires are shown
angled at B2, and entered in a holding and posi~
tioning groove 63. These combined switch con
tact- and distributor contact wires may be pre
formed in shapes to fit the panel structureand
may be ordinary enameled wires having the in
tudinally grooved or recessed at I4,‘to receive
contact strips or wires 35, having bowed central
portions 38, entering correspondingly shaped posi
tioning notches 31, in the grooves and having
V-bent» ends, 38, 39, respectively, to ride the
straight vertically extending time contacts 40,
in vertical grooves 4|, in the top portion of back
panel 82, and to engage the different station se
lecting contacts 42, or the lower "01!" contact 43,
disposed in the horizontally extending V-shaped
grooves 44, in the lower portion of said panel.
As shown particularly in Fig. 2, the contacts
in the back of the slides thus serve as spring
brushes to bridge across from the vertically ex
tending time contacts to any one of the nine
the annular support over~the radially projecting
portions of the wires, this ring in turn being
held by the back plate 6|, which supports the
60
sulation removed at the opposite end portions
which form the time contacts for the selector
switches and the brush contacts for the distribu
tor.
'
The distributor brush is arranged to pass from
one contact to the next prior to the end of- each
. roadcast Ol‘.'0th8l‘ time interval, to set up the
next time circuit in readiness to be closed at the
instant of change from one period to another.
The actual closing of the time circuit is effected ‘
by an accurately‘operating timer in the nature
70 of a star wheel 64, driven from the time train,
station contacts or the lower “o?’”
contact.
in this instance, one revolution per hour and
Any or all of these contact elements may be
I
made of wire. The arched formation of the brush »
-
having one set of four curved face radially ex
tending contact arms 65, and‘behind those a 4
contact, provided by the forwardly projecting
‘!-shaped tips and the reversely projecting in 75 similar set of longer contact arms 68, Figs. 3, 8, 9.
The first set of timer arms 65, are positioned to
l
acoacu
*
‘
,
engage and contact a pair of yielding spring
pressed terminals 81, Fig. 10, in a so-called"‘il1-,
teen minute" solenoid circuit and the arms‘ of the
other contactor are designed to connect ?rst ter
minals 08, 60, to connect the distributor ring ‘ll,
in the circuit and then to connect terminals‘ 60
and 10, to close the recording ‘circuit. All ?ve
of these terminals are shown mounted in an insue
6
-
provide for manual closing of any one of the nine
tuning switches at any time and independently
or the- automatic program control exercised by
the solenoids 11.
In addition to acting as a, pusher for mechani
cally actuating the switch closing rocker 92, in
dependently oi the solenoid, the spindle I01, car
ries a contact I85, for bridging contacts I86, I81,
to close the circuit through the “on” magnet each
lating rocker ‘I i, pivoted at ‘I2, and yieldingly held , 10 time such a manual is operated.
‘
by spring ‘I3, positioned against a stop 14, ready
An “on" and “03" switch of the mercury type
for engagement by said rotating contactor arms.
is indicated at H0, mounted on a rocker III.
The longer arms 68, are shown as having'angulan
This is connected to control the supply of actu»
1y bent ends ‘I5, engageable with a- cam portion
atin'g current to the solenoids and other instru
16, or the rocker to perform the function of
mentalities and is operated automatically on the
sweeping the rocker out of the way after the 15 closing of the timing circuit ‘by the "on" and
arms have completed their circuit closing, ac
“oil” solenoids H2, H3, having cores H6, H5,
curate timing operations. .
'
v
>
Fig. 3, connects with opposite ends of the switch
The time circuits determined by the distributor
brush and the star wheel accurate timer include
The master switch knob 30, Figs. 1 and 2, pro
magnetic circuit closers selected by the slide keys
vides a means by which the unit may be turned
and designated l‘i, Fig. 2, one ior each of the
ed at any time without shifting the hey slides
nine tuners, also in each case one of the three
to their “oh” positions and thus without disturb
solenoids ‘it, selected by the wave band switch
his the program setting.’
2i, associated with that particular tuner.
rocker.
'
The solenoids ‘iii, are ‘shown as having cores
‘69, connected with the lower ends of rocker levers
8t, pivoted at ti, and connected at their upper
ends at til, with insulating blocks is, slotted at
v
'
,
- in the illustration, the knob it is mounted on
the outer end oi a rock shalt llt, carrying at its
inner’end one linl; ill, of a spring toggle, the
other link. lit}, beincr pivoted at its, the two links
having a sliding and rocking center connection
88, to slide over the ribs 8b’, and carrying con=
at 8th, and the spring i211, acting to hold the
tests 86, on their. forward laws to cooperate with 30 toggle "broken" in either of the two positions
stationary contacts Ell. Similarly the wave band
indicated in Fig.’ 3. A litters-l extension lilo, on
selecting solenoids ‘it, operate rocirers 88, Fig. 2,
link ill, reaches in under the switch rocker to
connected with sliding’ blocks 89, carrying con~
throw the latter to the “on?” position. in the
tact elements to close the wave band selectingF
lower, lull line position of the spring toggle, the
circuits.
,
~
set is turned?oh" and the automatic program
A universal latch ‘car ‘it, pivoted at t i, and sun
selection is in full control. ‘in the upper dotted
ported by spring
is provided to catch and hold
line position, accomplished by turning the master
the lower end of the lever {it}, which has been cic
switch knob Elli, to the left in Fig. l, the set is
tuated by the solenoid ‘ll, which hes been ener“
rendered inoperative and will remain so until the
sized and a similar ‘universal bar is provided at
roaster switch is turned basic to the "on” posi
93, for holding the rocker which has been actu~
tion. Thetiine train however, continues in op
ated by the particular‘ wave band selecting sole»
eration, so that the program selection is ready
noicl in circuitat the time.
to comeinto action egain as soon as the master
Details oi the wiring controlled by the switch
switch is again turned “on.” The latter result
blocks to and
are not illustrated, as the some is made possible by reason of the fact that the
may vary widely, depending upon the particular
toggle spring is strong enough to resist the pull
radio circuits, the type of tuning employed, etc.
of the “on” magnet i it, which magnet even when
In the illustration, tuners oi the inductance or
the set is turned “oil” continues to be energized
permeability type are shown, by way of example,
by the timing circuit for each broadcast or other
involving coils ilél, wound about a ?at strip of,
period for which the set hes been designed. The
insulation
rolled into cylindrical form ands
spring toscle being eilective to rock the mercury
segmental core 9%‘), Mg. M, which can be rotated
switch only in the "oil" direction, leaves the “oil?”
within the coils by the linob 2t.
magnet tree to act at any time interval when the
ii‘or purposes of fine‘ tuning, a vernier knob
master switch is in the “on" position.
ii, is illustrated, directly in front oi‘ and appear»
In place of a special master switch described,
ing as a portion of the direct ccting'lmob ‘it, said
a simple “on'” and “oil” switch the, Fig. 15, may
Vernier knob carrying an outer ball race clip 98,
containing balls iii, bearing on an inner race
member illil, supported on an inner row of balls
Mi, and having‘ a tongue E02, extending through
an arcuate slot illil, into engagement over a re»
be cut into the mercury switch circuit or the
master switch might be arranged just to cut on
the supply of plate current, leaving the filaments
iii) heated and‘ready for instant operation at the
turning “on” of the set.
duced diameter portion or the core.
‘ The “yes’9 and “no” or voting lever '29, is shown
Figs. 2 and is show the volume controls as
inFlgs. 2 end ‘7, as carried by a sleeve M2, about
made up of resistance windings I06, wound about
the
master switch spindle H6. This sleeve car
a strip of insulation Ills, rolled into cylindrical 65 ries a lever $123, at its inner end, connected by
form and supported at the end of the tuning coil
spring Mt, with a rocking contractor I25, pivoted
cylinder in position to be engaged by brush ele
at I28, so as to swing one way or the other into
ments I 08, on the central rotary spindle I01.
engagement with the "yes” and “no” contact
The spindles I01, are mounted for longitudinal
sliding as well as rotary movements and are yield
70 studs I21, I28, Fig. 3.
ingly held in the projecting position illustrated by
springs I08. Actuating knobs I09, are provided
on'the outer ends of these slidable spindles and
the inner ends are disposed opposite the lower
ends of the switch actuating rockers 92, thus to 76
-
‘
To hold the voting switch I25, in one position
or the ‘other to the end of that period in which
the vote has been recorded, a springlatch I28,
is provided, which will drop into one or the ‘
other of the notches I30, Iii, in the locking seg
2,403,454.
7
meat extension I 32, of the lever I23, Figs. 5 and 7.
The release of this latch is e?ected at the end
of the period by the so-called ?fteen minute sole
noid I50, Figs. 3 and 6, having a movable core
I54, connected with a pivoted cam lever I35,
designed to ride up under the tip of the latch
and lift it out of the notch I30 or WI.
The cam lever I55, is shown in Figs. 5 and 7,
as carrying a pawl I35, in engagement with a
8
.
out in for operation by the band selecting switch
2I, at station 1, is energized at the same time
through circuit wiring I50, closed by the sliding
solenoid switch block 03, and wiring I69, from
the wave band switch, returning to source by wir
ing I10—-I52.
The action of the “on” solenoid assures closing
of mercury switch H0, in the supply circuit Hi,
to the radio receiver in the event the key slide for
ratchet I31, on a shaft I30, extending rearward
the preceding interval had been set in the “off”
ly to operate the tape advancing mechanism of 10 position.
the recorder as indicated at I35, Figs. 2 and i.
If the key slide for the time supposed is set in
The ?i'teen minute or time period solenoid I33,
the “of!” position, the ‘slide wire 35, will carry
also may be utilized to actuate a "fader” indi
current to the lower, “oil” bus wire 43, and by wir
cated in Fig. 3a, as comprising a resistance coil
or coils I40, on the swinging lever I 35, and en 15 ing I12, to the “off” magnet H3, which then will
gaged by aspring brush or brushes I M, to grad
ually fade out one and gradually fade in another
throw switch “0, to silence the set for that par
ticular period.
_
A moment after the timing switch has operated
to another.
to effect the above results, the contact arm 60,
20 will connect contacts 55, and 10, to extend cur
including
The recorder
a tapeis or
indicated
record in
strip
Figs.I42,
12 and
advanced
13,
rent through the line I13, and the particular cir
cuit closed by the solenoid switch 83, and wiring
step-by-step by a sprocket wheel I45, driven by"
I141, to one of the recording electrodes I552, re~
companion gears I44, I45, from the intermit
rendition when a shift is made from one program
tently rotating-shaft I38. The sprocket wheel
turn being by wiring I15—-I62. In this particular
shatt I 45, is shown iournalled in the lower por 25 instance, the recording of the station in action
tion of a casing I41, which contains also the sup
ply reel at I40, and take-up reel I49, the latter
driven by slip gearing I50, from the sprocket
wheel shaft.
.
The recorder casing as shown in Fig. 13, is open
at the bottom at I5I, to expose the electrodes
I52, to that portion of the tape passing under
the sprocket roll beneath the slotted retainer plate
I55.
The entire record containing unit is removably
end of each interval even though there may have
been no change in stations.
A portion of the record with typical markings
is shown in Fig. 12.
The voting is recorded in
fashion by dis
charges through the record similar
strip in the particular
“yes” and "no” positions thereon by wires I15,
leasably held by spring latches I55, entering
I11, extending from the "yes” and “no” switch
notches I55, in opposite sides of the record case.
terminals I21, I28, to the "yes" and "no” record
Exposed ?ngerholds I51, enable these spring
latches to be, readily withdrawn to release the 40 ing electrodes I15, I19.
record case.
A twenty~four hour mark is made upon the
record to facilitate the reading of the twenty
The electrodes I52, are shown as pivotally sup_
seated in a
I54, where it is re
ported at I50, and as rocked upwardly into posi
tion for cooperation with the record tape by
spring I59.
The described construction enables the record
four hour intervals, by means of a special elec
trode I80, connected by wiring
I8I, with an extra >
45 brush contact 55a, which may be located in that
idle period, between 2 and 6 o’clock in the morn~
strip unit to be readily placed in or removed from
the machine by any one familiar with the struc
shown connected
at I 82, with the volume controls I 04.
'
ture. If desired, the latches I51, may have suit
The switch manuals I09, for cutting in any se
able locks, so that only one with a key for the 50
lected tuner at any time are shown connected by
purpose may have access to the record strip.
wiring I83-_I 60, with one side of the source, with
In the light of the foregoing, the wiring dia
return connection I 84, through “on" magnet I I2,
gram is practically self-explanatory.
'
and the wiring IE1-I 62.
The distributor brush 55,
. each time interval, every quarter hour and ex
actly at the end of one interval and the begin
ning of the next, one of the timer arms 65, closes
The horizontally extending bank of vertically
operating slide keys provides an accessible, at
tractive and conveniently operable arrangement.
Other arrangements are possible however, with
in the scope of the invention.
Thus in the embodiment illustrated in Figs. 16,
60
17, the slides are arranged radially about a con
trally disposed clock, with the time contacts 40a.
radially disposed and in line with the longitudinal
travel of the brush contacts 35a, and the station
65 selecting contacts 42a, are in the form of circular
rings opposed to the ends of longitudinal contacts,
where they can be reached by the brushes slid
ingly adjusted over the radial contacts.
The form of the invention illustrated in Figs.
55, 51, 40, slide wire 35, horizontal conductor 42,
18, 19, is similar to that last described, in that
70
and wiring I55, to the No. 1 solenoid 11, returning
the slides are arranged radially about a central
by connections I55, and through the "on” sole
clock face, but these slides 22b, in the latter in
noidII2, and connections I51—-—I52 to the other
stance, operate in and out as, Dlungers instead of
side of the line.
radially. Also, in the latter instance, the spring
.The band selecting solenoid 18, which has been 75 brush 35b, extends transversely across the inner
end of the plunger slide, with the inner end slid
2,408,404.
10
ingly engaging a contact wire 40b, extending
panel, elongated, ?at, thin-insulating slides in "
cularly extending station selecting wires 42b, or
the innermost, circular "of!" wired"). The lon
gitudinal contact wires “b, are indicated as
standing saidslides and having an opening ex
longitudinally of the plunger movement in the - , side-by-side relation over said panel and in align
ment with said longitudinal grooves, a panel over
outer end engaging one of the surrounding cir
‘seated in grooves on the outside of, the circular
posing the mid portions or said slides, said slides
having handle projections in said opening for the
individual actuation of said slides, said slides
having grooves in the backs of the same and
spring brushes having arched intermediate por
tions held in said grooves and free end portions
slidingly engaging the conductors laid in the
for the rotatins ‘crush 55?».
‘
longitudinal grooves and selectively engaging the
, vThis last described construction has the advan
conductors laid in the transverse grooves.
tage of eliminating all wiring for the timer mech
_4.- Time control apparatus comprising an insu
anism, since the circular grouper wires 46b, serve
both as the time contacts for the clock and the 16 lating panel having a series or substantially par
allel, open top, longitudinal grooves in the face
slide contacts for the station selector keys‘,
of the same and a series of substantially parallel,
Instead of placing the station selecting con
transverse, open top grooves across one end of the
tacts as rings surroundins the plunger slides, as
longitudinal grooves, time and station selecting
in the last structure, these rinse may be placed in
a single circular row as indicated at 48c, Fig. 20, 20 conductors seated in said longitudinal and trans-a
verse grooves exposed to the lace of the panel,
and the spring brush then he located in the side
thin, ?at operating members of insulating mate
of the slide her after the manner of the iirst
rial con?ned for longitudinal movement over said
illustrated term of the invention.
,
longitudinal and transverse conductors and have
The fader circuit controlled by spring pressed
contacts 677, is closed ahead of the distributor cir= 2. ing grooves in the hacks of the some in line with
the longitudinal ‘conductors, spring brushes have
cuit across the contacts d8,
for a period just
inc‘ arched intermediate portions held in said
longenouen to
out the sound of one ‘ore-=
grooves and free end portions slidingly engaging
gram and is held closed for that short period in
support 59b, where they can be engaged by the
ends of the sliding brushes and as having end
portions 56b, turned inward to serve as contacts
the longitudinal conductors and. selectively one
which the magnets are operating to bring in the
new program andyi‘or the time necessary for such Sill gages-able
operating with
members
saidhaving
transverse
projecting
conductors,
handles for
new program to he faded in and the record mode
longitudinally shifting the same to slide the ends
on the record
Thus a silent change=over is
of said spring brushes over said longitudinal con“
eiiected, free of any switch clicking sounds or the
like.
‘
doctors
transverse
andconductors.
into selective engagement with
‘What is claimed
_
l.
apparatus of the character disclosed, the
combination of on insulating annular support
having spaced radial notches in the rim of the
same, conductors having contact portions dis
posed within said annular support and radially
extending portions located in said notches, an
5. ‘lime control
comprising an inn
sulating panel havtoe; a series oi substantially
parallel, open top, longitudinal grooves in the face
oi the some and a series or substantially parallel,
transverse, open top grooves across ‘one end oi’
the longitudinal grooves, time and station se
' insulating ring engaged over the radially extends
lecting conductors seated in said longitudinal and
ing portions oi said conductors for holding the
transverse grooves exposed to the face of the
same in place on said insulating annular support, .
panel, thin, ?at operating members or insulat=
means for securing said insulating ring in such 45 insr material coed tor longitudinal movement
over said longitudinal
transverse conductors
relation and a distributor hrusli rotating concene
and hes/inc= grooves in the loaclzs, oi’ the same in
tricallv within
support sequential
line with the longitudinal conductors, spring
engagement with said contact portions of said
brushes having orched intermediate portions held
conductors.
'
in said grooves and tree end portions slidingly en
2.. in apparatus oi the character disclosed, the
the longitudinal-l conductors and selective
combination of an insulating annular support
iv enuageolole with
transverse conductors,
having" spaced radial notches in the rim oi’ the
said operating members having projecting hana
some, conductors having contact portions dis~
dies for longituolinallgv shifting the same to slide
posed within said annular support and radially
the ends oi'said spring lemshcs'over said longi
extending portions located in said notches, an
tudinal conductors and into selective engagement
insulating ring engaged over the radially extend:- _
with said transverse conductors, said longitudi
ing portions of said conductors for holding the
ml and transverse grooves losing of substantially
some in place on said insulating annular support,
‘ll-shaped cross'sectlon and the conductors laid
means for securing
insulating ring in such
relation, a current supply ring disposed Within the 60 in said grooves lacing wires held in position in
the bottoms of said V-shsped grooves, the ends
annular support at one side of said contact pore
oi the spring brushes which engage in the trans
tions of the conductors and a distributor hrush
verse grooves being suhstantially v-shaped to re
rotating concentrically within said annular sup“
tain the brushes and the operating members in
port and having separated, yielding branch por~
tions engaging said current supply ring and con“ 66 which they are held, in various selected positions.
6. Time control apparatus comprising an an
‘tact portions of the conductors. ~
_
nular support having spaced radially extending
3. Time control apparatus comprising a ?at in
positioning notches in the rim of the same,- an in
sulating panel having a series of longitudinal,
sulating support having, a series of spaced posi
substantially parallel open top grooves in the
face of the same and a series of transverse, sub 70 tioning grooves in the face of the same, conductor
wires having bare contact portions disposed in
stantially parallel open top grooves disposed
sequential arrangement within said annular sup
across one end of said series of longitudinal
port and radial portions located within said po
grooves, time and station selecting conductors
sitioning
notches, said wires extending continu
laid in said longitudinally and transversely ex
ously from said positioning notches to said insu
tending grooves and exposed to the face of, the
ll
2,403,454
iating support and having bare contact portions
disposed in said positioning grooves, a time oper
ated distributor brush rotatable within said an
nular support and successively engageable with
said bare contact portions of the wires positioned
within said annular support, time selecting keys
operable over the bare contact portions at the
opposite ends oi’ said wires disposed in the grooves
in said panel, brushes carried by said keys in slid
ing engagement with said contact portions oi the
iii;
_
tion and for individua' movement longitudinally
01' said longitudinal conductors, exposed handles
for selectively shitting said operating members
and ‘spring brushes having intermediate portions
secured in the backs 0! said operating members
and free end portions respectively engageable
with the conductors in said longitudinally and
transversely extending grooves“
8. Time control apparatus comprising an insu
lating support, longitudinally extending conduc
wires located in said grooves and spaced, rela
tors mounted in spaced side-by-side relation on
tively insulated contacts disposed in angular re
said insulating support, transverse conductors
lation to said last mentioned contact portions or
mounted in spaced side-by-side relation on said
the wires for selective engagement by said
brushes in the adjustment oi thesame by said ll support at one end of and spaced from the group
time keys.
or said longitudinally extending conductors, op»
erating members oi.’ insulating material mounted
7. Time control apparatus comprising an insu~
in side-by-side relation over said. insulating sup
lating support having a group of spaced, substan
port in line with and movable in
direction of
tially parallel, open top, longitudinal grooves and
a series of spaced, substat. tlally parallel, open 20 extent of said longitudinally extending conduc
tors and spring brushes having intermediate por
top, transverse grooves acrom one end of the
tions aetuatahly engaged by said insulating oper
group of longitudinal grooves, longitudinally ex
ating members and free end portions respectively
tending conductors seated in said longitudinal
engaged with said longitudinally extending;r and
grooves and transversely extending conductors
transverse conductors, said brushes being arched
seated in said transverse grooves, elongated op
erating members 01' insulating; material in sub as each to reach from a, point oi.’ sliding engagement
with a longitudinally extending conductor at one
stantially parallel side-by-sirie relation over said
end over intervening transverse conductors into
insulating support and in line with said longi
engagement with, a selected transverse conductor
tudinally extending conductors, means con?ning
said operating members in said side~by~side rela- m at the opposite end“
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