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Патент USA US2121873

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June 28, 1938.
2,121,873
M.- HEBEL ET AL
TELEGRAPH PRINTER
Filed Aug.'l8, 1957
' 5 Sheets—$heet 1
/a I
. INVENTORS
BY
V
‘.
‘ A5675}?
June 218, 1938.
M. HEBEL ET AL
2,121,873
TELEGRAPH PRINTER
Filed Aug. 18, 1937
5 Sheets-Sheet 2
June 28, 1938.
' M. HEBEL El‘ AL
$121,873
TELEGRAPH PRINTER
Filed Aug. 18, 1937
5 Sheets-Sheet 3
M12 Galid?'myer
BY
-
'
4
W rizey
June 28, 1938.
M. HEBEL ET AL
2,121,873
TELEGRAPH PRINTER
Filed Aug. 18, 1937
i
s-sheetsésheet 4
[Wm/Taxes
Maria? HeéeZ d"
Kari Gzmdymyer
June 2a, 1938.
2,121,873
‘M. HEBEL ET AL
TELEGRAPH PRINTER
Filed Aug. 18, 1937
5 Sheets-Sheet 5
1
' [Mira/r02:
Mar/m 6%62 4%
Karl Ga?d?myer
BY
\ Alto new.
Patented June 28, 1938
2,121,873
ii]
UNITED. ‘STATES PATENT OFFICE"
TELEGRAPH PRINTER
Martin Hebe], Hechendorf-on-Pilsensee, and Karl
-Gundl?nger,
many
Frankfort-on-the-Main,
Ger
Appiication August 18, 1937, Serial No. 159,724
‘
In Germany August 22, 1936
22 Claims. (Cl. 178-79)
Type printing telegraphs employ ,as a rule
The various keys Tl, T2 are mounted on a
trains, for example, of ?ve current impulses for pair
‘of pins TAI and TA! (Figure 1b) so that
the transmission of the‘ various signals.
The
keys of the transmitter control an appropriate
the shank of each key moves down substantially
vertically when struck. A guide‘ member L is
associated with each key and underneath the
mine the operation of one or more‘ transmitter guide members L there are ?ve cranked bars SB
contacts. If the permutation members are ac
pivotally mounted on the pins SBA.- The bars
tuated directly by the keys, depression of the SB
have bent ends SK (Figure 1a) which engage
keys is made difficult and it has, on' this account, under springs bkl—bk5. These springs tend to
10 been proposed that the permutation members
the ends SK and therefore to lift the 10
should be displaced by springs controlled by the “depress
parts of the bars SB which "lie beneath the guide ‘
keys. With this system, a key, when depressed, members
L. When the magnet MAN is ener-.
lies in the path of one or more permutation
gized, its armature lifts the ends SK against the
members and ‘allows or prevents the setting of action of the springs bkl--bk5 and brings the
the selected permutation members. The springs parts of the bars SB lying beneath the keys out
under the in?uence of which‘the permutation of range of the keys. The springs bkI-bk5 are 15
members are set are energized by a motor which
e.
number of ' permutation'members which deter
in particular, to avoid the necessity of providing
contact springs, and are arranged so that the
contacts controlled by them are reversed when
the bars SB are moved. The bars SB also have
hook shaped ends SP (Figure 1b) which can en 20
gage with the end PH of the armature MHA of
a motor for controlling the various parts. In
"accordance with the invention, a magnet is pro
vided which is energized before each transmission
them into which the rail US can enter. The rail
’ .also is used to control other parts of the type
printing telegraph.
V 20
.
‘
The purpose of the invention is to simplify the
“ ‘ construction of such type printing telegraphs and,
a magnet MH.
A T-rail US and a further rail GS are disposed
beneath guide members L which have gaps in
and thus sets the permutation members and ’ US is under the action of a spring UF (Figure 1a)
energizes their springs. Furthermore, when a which tends to draw the rail forward (as seen in
transmitter key is actuated, the permutation Figure 1) or to the left (as seen in Figures 2 to 7) .
members are released by a control member com
30 mon to all the keys so that they can be set by
their springs. This is effected by putting the
magnet temporarily out of action. Thus, the
The rail US is connected to the armature UA of
a magnet U by a part UT joined to the armature 30
at UG. This armature UA controls a pair of
contacts ul and ull, the contact ul being actu
necessity for using a driving motor to avoid direct ated during the ?rst part of the movement of
control of the permutation members by the keys the armature and the contact all only during
is eliminated and the keys can be struck'without the last part of the movement of the armature.
being loaded by the permutation members. The The T-rail US can be in?uenced by each and 35
common controlling member is‘preferably such every key, the rail GS only by two'special keys T2
that, on being actuated, it not only causes the
magnet to be put out of‘ action but also looks
the permutation members in the position which
they have assumed under the influence of the
depressed key until the current impulsetrain has
been » transmitted.
An’ example of construction of a type printing
telegraph in accordance with the invention is
‘ shown in the accompanying drawings in which:-—
‘
Figures 1a and 1b show in perspective the
relative dispositions of the keys and the permuta
tion members.
50
‘
'
Figures 2 to 7 are detail views illustrating the
positions taken up at various times by various
‘parts of the apparatus and
‘
,»
7
Figures 8 and 9 show two suitable circuit ar
rangements for the actuation ofthe telegraph
55
transmitter.
'
V
and TB which operate through the ‘guide mem
bers LZ and LB and serve to effect the letter
?gure and ?gure-letter shifts.
The two keys
swing the rail GS in opposite directions.‘ The rail '
GS has a pin GA (Figure 1b) which drops into
a resilient seat GR and thus holds the rail in
one or the other of itstwo positions. The rail
GS lies beneath the parts LP (Figure 2) of the 45
guide members of one of the groups of keys, 1. e.,
the letter keys ,or the ?gure keys, and thus pre
vents the keys of that group from being struck.
The lower part LK of the guide members L is
serrated in accordance with'the setting of the 50
bars SB which it is to determine. - The bars SB
themselves could, of course, be serrated and the
vedge LK of the guide members L be plain. . When
a key is struck, some of the bars SB are held
depressed against the action of their springs bk
2,121,878
2
while others are allowed by the gaps in the parts
the rail US moves out of the locking position
under the action of the spring UF. The de
LK to move up under the action of their pressed guide member and its key are released
springs bk.
, and are able to return into the normal position.
As already mentioned, the rail US can be
In-order to allow the depressed key to be re-set
turned
on
its
pivot
by
each
and
every
one
of
the
(A
earlier, a magnet MH is provided the energiza
guide members L. Figure 2 shows the guide
member Ll of a letter key and the guide mem
ber L2 of a ?gure key and the common rails
US and GS. The rail GS lies under the part LP
tion of which. is determined by thecontact ul l.
The'hook shaped extension PH of the armature
MHA of this magnet engages in the hook ends
10 of the guide member L2 of the ?gure key so that
only the letter key can be struck.
The guide
members, have extensions LU which can act on
the common T-rail US.
If, for example, the
guide member Ll is depressed, the rail US is
swung to the right (Figure 2), sliding on the
right hand surface of the extension LU. This
SP of those of the bars SB which have been able
to return into their normal position and beneath
the hook ends of the bars which remain in the
displaced position. The setting of the bars SB
and thus of the contacts actuated by the springs
bk can be maintained independently of the posi-‘ 15
tion of the guide member of the depressed key,
surface has two parts sloping at different angles
so that the rail US is moved in two steps, the
?rst of comparatively great and the second of
comparatively small magnitude. The pivotal
movement of the rail US is transferred by means
of the connecting member UT (Figure 1) through
the joint UG to the armature UA, which, during
the ?rst part of its movement actuates its con
25 tact ul and closes a circuit for the magnet U
so that the latter completes the attraction of the
armature. This causes the rail US to swing
clockwise (Figure 3) so that the head of its T
leaves the side face of the extension LU and abuts
30 against the left hand face of an extension LR of
and the relay U can thus be de-energized as soon
as the magnet MB is energized.
In the circuit arrangement shown in Figure 8,
the ?ve contacts controlled by the bars SB are
designated l?cl-—bk5.
and closesa holding circuit for itself .at its con
tact anl. The contact an2 closes the circuit for
the guide member Ll. When the key is fully
depressed as is shown in Figure 3, the cross limb
of the rail US enters a notch in the extension LR
and as long as the rail US is held in this posi
tion, that is to say, as long as the armature UA
remains fully attracted, the guide member and
its associated key cannot be moved upwards. In
this position, the contacts ull are also actuated
by the armature UA for a purpose to be described
later on. When the rail US is in the notch in
the extension LR of the depressed guide member,
its cross limb lies beneath the extensions LR of
the guide members of the other keys and prevents
these keys from being depressed.
The distributor control
ling the transmission of the trainof current im
pulses'comprises six relays A to F controlled by a
cadence tapper consisting of the relays N and 0.
When a signal is to be transmitted, the key AT 25
is depressed so that the relay AN is energized
_
The guide members LB and LZ of the‘ shift
45 keys TB and T2 have the same extensions LU
and LR as the guide members of the other keys.
They are, however, constructed so as to be capa
ble of actuating the rail GS so as to prevent ac
tuation of one set of keys (letters or ?gures).
50
For this purpose, the guide member LZ has an
extension LG which, on being depressed, pivots
the rail GS clockwise (Figure 5) while the left
hand face of the extension LU is such that on
55 being depressed, it pivots the rail GS counter
clockwise (Figures 6 and 7). The ?gure keys or
a thermo relay Hi which heats up slowly. If no
signals are sent out within a pre-determined pe
riod of time, the relay Hi closes its contact hi
and thus short circuits the relay AN which re
leases. The contact an3 closes a circuit for the
magnet MAN which responds and preparatorily
pivots the transmitter bars SB (Figure 1). If, 35
now a key is depressed for the transmission of a
particular signal, the rail US and the armature
UA of the relay U coupled to the rail are pivoted
through the guide member L. About midway
through the movement of the key, the contact 40
m‘ is closed by the armature UA and the relay
U is thus energized and attracts its armature UA.
The armature UA however cannot be brought
into the attracted position until the key has been
fully depressed and the rail US can enter ‘the
notch in the extension LR in the guide member.
When this happens, the. contacts ull, u|2 and
‘M3 corresponding to the contact all shown in
Figure 1 are reversed.
'
The contact 11.! l closes a circuit for the winding 50
I of an auxiliary relay VS which is kept energized
during the transmission of a signal by the con
tact us3. The contact ul2 closes the circuit for
the transmitter relay S before relay US responds.
The relay S controls the flow of current through 55
the line VL by means of its contact s. The con
tact us! of the relay VS closes a circuit for the
relay N of the cadence tapper. The contact 11.13
actuated.
opens
the circuit for the magnet MAN so that 60
The magnet MAN (Figure 1a) is always pre
the
latter
allows its armature to drop and re
60 paratorily energized so as to remove thebars SB . leases the transmitter bars for displacement by
from the path of the guide members of the keys.
As soon as a key has been completely depressed their springs. The contacts bkl to bk5 are thus
actuated in accordance with the current impulse
and the rail US can drop into the locking posi
the depressed key. The
tion, the contact all is actuated by the armature . train associated with
UA and opens the circuit for the magnet MAN. magnet MH, the armature of which holds the
The armature UA then drops and releases the bars SB in the position they have assumed, is en
when the contact cs4 closes.
bars SB. The bars which have notches opposite ergized
The two relays O and N of the cadence tapper
the depressed guide member can now be lifted work like a relay interrupter. The relay N en
by their springs bk; the others remain in the ergizes the relay 0 and the latter opens the cir
70 pivoted position. The contacts controlled by the cuit for the relay N. The delay in response and
springs bk are now actuated in accordance with release of the relay N is approximately 8 milli
the combination to be sent out. A distributor is seconds and that of the relay 0 approximately
' the letter keys are thus prevented from being
provided for transmission of the selected train
of impulses.
As soon as the train has been
transmitted, the magnet U is tie-energized and
12 milliseconds. An interval of 20 milliseconds is
therefore necessary for the successive energiza
"2,191,878
tion and‘ de-energizationoi thetwo relays. Each
and thus interrupt'the holding circuits through
the windings II of the relays D, E andF.‘ All
to have a duration'oi, lid-milliseconds, At each , the
thus-return
I
to their normal position.
.responseandateach release. therelay O actu The relays
magnet
remainsenergized un
atesua relay ofIthechainIof relays A-F, > The relay der the controlMANlalone
of the starting-relay AN. If there
A, (windingl) ‘was energized on response’ of the
is no further signaltransmission for a consider
.1 impulse which ,is emittediby the relay 8 is ‘also
Irelay VS.-_‘ By means of its-co I tact al, it closes a
able time, this magnet also'de-energizes on'at- ,
holding circuit through itsIIwin'dingIII and also
traction; 01 the thermo-relay Hi.
prepares a circuitior'the‘relay B. It relay 0
responds after 20 milliseconds, =zthe relay IB is en
I f The circuit arrangement-shown in Figure!) is-~ .
substantially. the same as that shown in Figure 8 10
except that the magnet MH which blocks, the’
ergijz'ed and, “ by .meansrhfohcontact' bl, ~ w closes a
‘ holdingjcircuit throughitswinding II and pre
transmitter vbars. SE is omitted. For deener
~ pares a circuit, for the relayC, QIIL'after a fur
gizing the relay U on the transmission, or the
,ther'20, ‘milliseconds, ‘the/relay O releases, the“ selecting
impulses and thus releasing the block
Icircuitfor the relay C isIeloIsed.» Ina similar
ing of the actuated-key, two relaysUR, and ,VR 15
gized successively‘ at. intervals or 20 milliseconds. contact bktand the relay VR by the-‘contact
sachet these relaysidetermines one‘ of thewim N05. The circuit of the, transmitter relay is, is
pulses‘ ‘to'besentfoutL,
I
.
I
I
‘not directly ; controlled by the contacts bid, and
The relayA,Iin_ responding, opens the circuit for the transmission oilthe fourth and ?fth 20
the relay S_1which:was ‘closed when, thev contact bkS upon but
by the contacts m2 and 01:2 ofthe
uiI2 closed. ' -£Thi_s'terminates the emissionof the impulses
so-I'calléd '“star't’f impulse .which ‘prepares the re two relays UR and VR. The fourth and ?fth im
ceiving devices at the other end ‘01' the line. I The pulses determined by the contacts vblclv and bk5
“mann‘enthe relays 'AHBWC, D, E and‘F are ener
' 12's contact a2 makes the circuit ofIthe relay S de
are provided.‘v The relay UR is controlled by the
are stored by the relays UR, and VR.
pendent upon the contact bkl.’ If]. the . position
fof the associated fbari SB, is such, that ‘this con-
i
>
i .
at the beginning of the signal trans 25
mission, the relay VS is- energized, the contact
us5 closesthe circuit for the relays UR, and VR.
_
When,
, tact is closed, for example, the relay Sis again
energized and the line is again interrupted; other vIf the selected combination is suchthat, the con
wise, there is no energization of relay Sand cur
rent ?ows through the'line. I ,The circuitv for the
‘transmitter relay S is nowmade‘ successively de
pendent uponthe contacts bk! to- bk5 by the Ire
_lays_B,’C, Dand E. -,»,In eachcase, the relay S
is
tacts bkd and ~bk5 are closed; both relays are
energized and by means of theire’contacts ml or 30
.; Iorl close holding -. circuits fonthemselves- - If,
on transmission of the third impulse, the relay
U is de-energized by the energization of- the r -
‘remains under the influencefIoiIf oneof the con- I lay DR and the depressed key is thus released,
the key returnsoto itsInoIrmal position and ‘the
.tactsbk for a period of,I2I_0._ milliseconds. A train bars
SB: are preparatorily pivoted again by .en
or‘; current ,_ impulses ,_ of .‘uniIIi’orm length is there
ergization of the magnet MAN. If the relays UR
fore transmitted bythecontacts bk. Simultane and'VRin
sofar as'they have been energized in
_, ously‘with the ,energization of relayCI which takes
accordancejlwith the. selected combination’ re—.
placeon transmission of @the third selecting Iim main
however energized independently of the con
‘ .pulse,' a relay DR is‘ energized and-by means of
tacts
bled and b705, the transmissionof the fourth
contact dr'l', ' interrupts the circuit; ,for I the
and ?fth impulse ofv'theselected combination-is
elay U.’ I The relayU allows its armature to drop, ensured
by contacts ,vrZ and mi! and the holding
’ herail US returns .into thenormal position and
‘45’ig't'hef depressed key can; together with its‘guide
I piece move back I into the, normal position, The
setting of I the¢bars 'SB». and of the contacts Ibk
controlled, by. them is however “maintained by
to
i the energizajéich, oi’ . the, magnet .MH. ; ‘At, the .be
ginning of, the transmission of the ?fth select
. I , ing, impulse, the relayoEprespondsand, by’means
{of its contact e2, opensth'e circuit‘ for the mag
net
-'_I'he, relayv MH dropsrafter. a, delay of
approximately I20 ‘milliseconds. . and, -after , the
‘transmission vof the nan-,imnune, releases the
transmitter.barsSllsothatthey can drop back
into their normal position.,,-If ‘the, armature of
the relay U hastalready dropped; :the magnet
circuit for the storing relays UR and
is in- ~
.terrupted at the contact f5 when the .relay F re
sponds after the emission of, the ?fth impulse,
Weclaiin:
-
1
i
35
45
‘
1*. A telegraph transmitter .comprisinga plu
rality of transmitting keys, a plurality of permu
tation members influenced by saidikeys, springs
acting on saidpermutation members, a magnet
for displacing saidv permutation members against _
the actionvof their springs, acontrol member dis-I
placeable; by each-of said keys, meansifor ener- > -
gizing' said-magnet before each transmission,
means controlled'by said control means for tem- .
porarily putting said magnet out ofaction on ac
tuation of ,one of . said-transmitting keys and
already.IheIeIn.v energizedagain by, way
Hi. _ for theIhas
contact ul,3.- As, long - as, ‘the. bars SB are means ifor emitting a» train of currentimpulses
determined vby the’ setting 7 of-_ said. permutation
55
0
le
blocked by the armature ‘of the magnet MIL-the
‘magnet, MhNIcannohattract .itsI armature. As
I soon however, asthis blockinghas been released,
‘ the magnet, MnNattractsIits armature and
paratorily pivots ItheYIbarsISBt Atvtheend- of the
.g
.
.
.
Pre‘
transmission of. the filth, selecting; impulse, ,the
relay F Iisralso: energized, and, __;_by means of'its
contact opensthe-circuitioi the auxiliary relay
V801’ the transmittersothat,.this'relay drops
and stops,,Ith_'ev cadenceItapperg.v The contact 13
opens‘: ‘the circuit for": the. j transmitter , Irelay vS
which drops‘ vand,_,by means IofIits, contact -s,- re
members. -.
,
-
,
I
I
v.»
I
60
I
2. A telegraph transmittercomprising. a pin
rality of transmitting keys, a plurality of permu
tation members, springsacting on, said permuta
tion members. and strivingto move them against
said transmittingkeys, I a, magnetv for, . displacing
said permutation members against the action of
their springs, a control member displaceable by
each or said»~transmitting_keys,Imeans ,for ener
gizing said magnet , before each I transmission,
means controlled by-said controlImemberfor-tem
porarily putting said magnet out-of action Iat-each
establishes normal conditions inthe line'VL. The
"e‘ontactj f4 interrupts: the ; holding circuit for the ' actuation of said transmitting keys, ‘means ‘con
trolled by said contr'ol'rnember for locking said
v'vindings'IIv or‘ the relays A’,'B' andv C‘ which drop permutation
members in the position which they
75
2,121,873
i‘;
assume under the in?uence of their springs when
said magnet is put out of action, means for send
ing out a train of current impulses determined by
the setting of said permutation members and
means for releasing said permutation members
after transmission of said current impulse train.
3. 'A telegraph transmitter comprising a plu
rality of transmitting keys, a plurality of permu
10
ing position whereby to put said ?rst mentioned
magnet out of action and means for transmitting
a train of current impulses determined by the
setting of said permutation members.
tation members, springs acting on said permuta
tion members and striving to move them against
said transmitting keys, a magnet adapted to dis
place said permutation members against the ac
tion of their springs, a control member controlled
by said transmitting keys, means for energizing
said magnet before each transmission, means
controlled by said control member for temporar
ily putting said magnet out of action at each ac
tuation of one of said transmitting keys, mag
netically controlled means for locking an ac
'7. A telegraph transmitter as claimed in claim
1 comprising also contacts adapted to be actuated
by the control member in its locking position
whereby to bring into operation said current
impulse transmitting means.
I
8. A telegraph transmitter comprising a plu
rality of transmitting keys, a plurality of permu
tation members, springs acting on said permu
tation members tending to move them against
said transmitting keys, a magnet adapted to dis
place said permutation members against the
action of their springs, a transmission starting
key, a contact controlled by said starting key, a
holding relay controlled by said contact and
adapted to close a circuit for theenergization of
tuated transmitting key in the depressed condi
tion and means for transmitting a train of cur
said magnet, a control member common to all 20
said keys, a magnet acting on said control mem
rent impulses determined by the setting of said
ber and adapted to hold said control member in
permutation members.
mitting key in the depressed position and to hold
the unactuated transmitting keys in the raised 25
normal position, contacts adapted to be actuated
by said control member in its locking position
whereby to put said first mentioned magnet out
4. .A telegraph transmitter comprising a plu
rality of transmitting keys, a plurality of per
mutation members, springs acting on said permu
tation members and striving to move them
against said transmitting keys, a magnet for set
ting said ‘permutation members against the ac
tion of their springs, a control member controlled
by said transmitting keys, means for energizing
said magnet before each transmission, means
controlled by said control member for temporar
ily putting said magnet out of action at each ac
a position in which it locks an actuated trans
tuation of one of said transmitting keys, a mag
net for locking an actuated transmitting key in
the depressed position and. for holding the re
maining keys against actuation and means for
transmitting a train of current impulses deter
40 mined by the setting of said permutation mem
bers;
5. A telegraph transmitter comprising a plu
rality of transmitting keys, a plurality of permu
tation members, springs acting on said permuta
45 tion members and striving to move them against
said transmitting keys, a magnet for setting said
permutation members against the action of their
springs, a control member controlled by said
transmitting keys, means for energizing said
50 magnet before each transmission, means con
trolled by said control member for temporarily
putting said magnet out of action at each actua-é
tion of one of said transmitting keys, a magnet
controlled by said control member for locking said
55 permutation members in the position they assume
under the in?uence ,oi‘ their springs when said
magnet is put out of action, means for trans
mitting a train of current impulses determined
by the setting of said permutation members and
means for releasing said locked permutation
'05
members after said train has been transmitted.
6. A telegraph transmitter comprising a plu
rality of transmitting keys, a plurality of per
mutation members, springs acting on said per
mutation members and urging them against said
transmitting keys, a magnet adapted to displace
said permutation members against the action of
their springs, means for energizing said magnet
before each transmission, a control member com
70 mon to‘ all said keys, a magnet acting on said con
trol member and holding it in a position in which
it locks an actuated transmitting key in the de
pressed position and holds the undepressed trans
mitting keys against actuation, contacts adapted
75 to be actuated by said control member in its lock
of action and means for transmitting a train of
current impulses determined by the setting of
30
said, permutation members.
9. A telegraph transmitter as claimed in claim
8, comprising also contacts controlled by said
transmitting keys during the depression of a
transmitting key for energizing the magnet acting 35
on said control member.
10. A telegraph transmitter comprising a pin
rality of transmitting keys each provided with a
guide member adapted to be displaced with its
associated key, a plurality of permutation mem
bers, a spring acting on each of said permutation
members and urging it against the guide member
of a depressed transmitting key, a magnet for dis
placing said permutation members against the
action of their springs, means for energizing said 45
magnet before each transmission, a contact
adapted on actuation to de-energize said magnet,
projections on said guide members, a rail adapt
ed to act on said projections whereby to hold the
guide member of an actuated transmitting key 50
in its displaced position and to preclude displace
ment of the guide members of the unactuated
transmitting keys, a magnet for controlling the
movement of said rail, means for energizing said
magnet, said means being controlled by the guide 55
member of a transmitting key during the first
part of the movement of said key controlled by
said rail in its locking position for controlling said
contact and means for transmitting a train of
current impulses corresponding to the setting of
said permutation members when freed by said
magnet.
11. A telegraph transmitter as claimed in claim
10 comprising also means for putting out of action
said rail controlling magnet after said current
impulse train has been transmitted.
12. A telegraph transmitter as claimed in claim
10 comprising also means for locking said permu
tation members in the position which they assume
under the influence of their springs after their
setting magnet has been put out of action, said
means being controlled by said impulse trans
mitting means during the transmission of said
train, means for putting out of action said rail
controlling magnet, said "means being controlled
-.
$15137:
'
,
,
I
.
5
_
e ’ *byI-said current impulse'transmitting'means ‘after listori'ng relay contacts and means controlled by
~“actuation to!- said permutationmember locking saidjguide ‘member locking means for putting
' 7 ‘means, - and meansytorreleasing said ‘permutation
.said’distrib‘utor into action;
members after‘ the transmission oi said current
impulse-tram:
x
.,
>
1'7.v ‘A telegraph transmitter as claimed in‘ claim
a
16, comprising also'me'ans for releasing said guide
' -_'l‘3. A-‘telegraph transmittercomprisingja'plu-g membersatter
energizationoi said storing relays
and means vfor putting said storing relays out of
guide member, a plurality of permutation'mem action’
after' transmission‘. of va current impulse
springs acting on-said permutation members train, determined
‘by the vsetting of a said permuta- vi.) bers,
andl'urging ‘them
_
against the guide member or-a. “,tion members, '
j
. ‘ 'rali‘t'y or transmitting‘ k'ey's each provided with‘ a
10
‘ .depressed transmittingfrk?. contacts‘ ‘controlled-3",‘ I
18. A, telegraph transmitter-comprising a plu
, ‘by said permutation-members, a magnetjfor dis-'
'
of ‘transmitting keys ‘each provided with a
placing
said permutation members'againstjthe? ac-‘ -, 'i-jrality
‘
tion-or ‘their’ springs, means ' orenergizing said guidetmember, aplurality otpermutation mem- '
bers,'springs,ac_ting on said permutation members
*ing the guide memberiof-a depressed ‘transmitting ~andiurgingilthem ‘against ‘the guide member 01' a 15.
" key,->sa'idamea_ns preventing:
_ rvidepressed-kema controlmember controlled by
movement ‘oi’ - the
‘
- magnetbeioreeach transmission, means for lock~ _.
‘said guide members .on depression of the associ
guide ‘members or theiundepressedl keyaya .con
tact controlled‘. by said‘ last-mentioned means for -.
‘ ated transmitting key, a magnet having an arma
_ I
putting ;out oi'_a'c'tion>the
magnet for displacing ;' ture connected to said control member, a plu
'1 ‘the permutation members, means ' vfor Itransmit- _1 qrality'of ‘contacts controlled by said armature,
said controlmember being adapted to bring said '
’ ting a train of current. impulses corresponding to jarmature
near the pole of said magnetron being
_’~t'hey,settir,_ig oi‘, said contacts controlled by ‘saidI __ actuated by
the ‘guide member of a transmitting
permutation '- members and means controlled by ‘
said guide member locking means adapted to ‘put key, acontactadapted to be actuated by said
.1- 20'
.
armature in being thus brought near said pole 25
, magnet, said armature being adapted on being
.14. ‘A telegraph transmitter as'claimed in claim , attracted to said pole to swing
said control mem
current, impulsevtransmltting, means ‘into
-_action;
v
7
,;
.
>
..
,
.
and adapted on such actuation to energize said,
,
x _ - ‘.f_‘,v13,_in'wh_ich said permutation member contacts
30'
>
. ‘
‘ her into a position-in which it holds the guide
are carried 'by' the springs acting‘ onsaid permu~
member of a depressed key and precludes move 30
?ltation members.
' ment of the guidemembers of the remaining
15. A telegraph transmitter comprising a plu
keys, a‘further magnet for displacing said permu
_ rality- of transmitting keys‘each provided with a
guide member, a plurality of permutationmem-? tation members > against the action of their
bers, vspringslactin g on said permutation memél springs, means for energizing said further mag
bers and urging them against the guide member‘ net before eachatransmission, a__ contact adapted 35
01' ‘a depressed transmitting key, contacts con- ‘ -'_to
‘trolled by said permutation members, a magnet
.46
' for displacing said permutation members against
the action of their springs, means'for energizing
said magnet before. each transmission, means ,for
locking the guide member of a depressed trans-
mitting key and for preventing actuation of, the
45
I
de-energize said magnet-on being actuated by
said armature when it reaches the pole of its
magnet, means for transmitting a train of cur
rent impulses corresponding to the setting of
said permutation members under the in?uence of
their springs, meansactuated by said armature
when it strikes the pole of its magnet for putting
undepressed keys, a contact controlled by said " said current impulse ‘ transmitting means into
action, and means for putting said magnet out
last-mentioned means for putting out oi action
the’ magnet for setting the permutation mem
bers, a current impulse transmitting relay, a dis
‘ tributor connecting said transmitting relaylsu'c
cessively in‘ circuits dependent upon the various
of action controlled by said current impulse trans
mitting means after transmission of said current
impulse train.
‘
'
19. A; telegraph transmitter comprising a plu-‘
contacts controlled by said. permutation mem-' “*rality of transmitting keys'each provided with
.150 bers
and means controlled by said guide member ' a‘guide member, a plurality of permutation mem 50
' ‘locking means for putting said distributor into { bers, springs acting on said permutation members
'_ and urging them against the guide member of a
action. .
depressed key, a control member controlled by
'16.- A ‘telegraph transmitter comprising a pin‘?
,
rality. of transmitting; keys each provided with -' said, guide members on depression of the associ
a guide member, ~.a" plurality ofv permutation ated transmitting key, a magnet having an arma
.members, springs acting on said~permutation ' ture connected to said control member, a plu
members and urging said permutation members’ rality of contacts controlled by said armature,
' _ against ‘the guide member of‘ a depressed trans
60 mitting key, contacts controlled by‘said permu-‘
‘ tation members, a magnet for displacing said per
mutation members against the action of their
said control member being adapted to bring said
armature near the pole of said magnet on being
actuated by the guide member of a transmitting 60
' key,
a contact actuated on such movement of
springs, means for energizing said magnet before‘ said armature whereby to energize said mag
each transmission, means for locking the guide net, said armature on being attracted to said pole
c5 member of a depressed transmitting key and for ‘ being ‘adapted to swing said control member into
preventing movement of the guide members of > va. position in which it holds-the guide member of a
depressed key and precludes movement of the
, the undepressed keys, a contact
v
controlled by
said last-mentioned means for putting out of ac- , guide members of the remaining keys, a further
tion the magnet for setting the permutation mem;
[bers, storing relays controlled'by the contacts of
some of said permutation members, a current im
pulse transmitting relay,a distributor adapted to
connect said transmitting relay successively in
, ,75
circuits dependent upon said permutation mem
ber contacts and in circuits dependent on said
magnet for displacing said permutation members
against the action of their springs, means for
energizing said further magnet before each trans
mission, a contact adapted to de-energize said
further magnet on being actuated by said arma
ture when it strikes the pole-of its magnet, a cur
rent ~impulse transmitting relay,‘ contacts con.
trolled by said permutation members, a distrib
65
2,121,873
6
member of a depressed key, a magnet for dis
utor connecting said transmitting relay succes
sively in circuits dependent upon said permuta
tion member contacts, a contact controlled by
said armature for putting said ‘distributor into
action and means controlled by said distributor
placing said permutation members against the
for putting said ?rstmentioned magnet out of
the guide members of the remaining keys, said
action.
_
"
~
20. A telegraph transmitter as claimed in claim
19,‘ comprising also a magnet for locking said
'10 permutation members in the position which they
assume under the in?uence of their springs.
means for switching in said magnet, said means
being controlled by the contact of the armature
connected to the control member when it strikes
the pole of its magnet, means actuated by said
distributor during the transmission of the cur
rent impulse train for putting said magnet out
of action and acting on said control member
and means actuated by said distributor after
20 the transmission oi’. said current impulse train
for putting out of action the magnet controlling
said permutation members.
i
21. A telegraph transmitter comprising two
groups of transmitting keys, two shift keys, guide
members connected to said transmitting keys
and to‘ said shift keys, a plurality of permuta
tion members, springs acting on said permutation
members and urging them against the guide
action of their springs, a control ‘member adapted
to be actuated by the guide members of all said
keys, means for locking the guide member of a
depressed key and for preventing movement of
means being actuated by said control member on
being actuated by a guide member or a key, means
actuated‘ by said locking’ means for putting said
magnet out ‘of action, a rail controlled by said
two shift keys and always looking one of said
groups of transmitting keys and means for trans
mitting a train of current‘ impulses correspond
ing to the setting of said permutation members
under the in?uence of their springs.
22. A telegraph transmitter as claimed in claim
21, in which the guide members of the two groups
of transmitting keys are provided with various A
projections and in which the rail controlled by 20
the two shift keys is pivotally mounted beneath
the guide members of the transmitting keys and
lies in each of its two positions in the path of
movement of said ‘projections of the guide mem
bers of one of said groups of transmitting keys. 25
MARTIN HEBEL.
KARL GUNDLFINGER.
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