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Патент USA US2126846

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Aug. 16, 1938.
Filed Jan. 17, 1955
2 Sheets-Sheet l
YqsHxTo W9 779M935
BY M04:
-Aug. 16, 1938.
Filed Jan. 17, 1935
2y Sheets-Sheet 2
Patented Aug. 16, 1938
Yoshito Watanabe, Kinukake-cho, Sums-kn,
Kobe, Japan
Application January 17, 1935, Serial No. 2,157
In Japan March 12, 1934
3Claims. (Cl. 177-353)
The present invention relates to improvements every element of a signal according to the Morse
in an automatic telegraph receiving system code, and also to rotate the rollers 4 at a certain
claimed in my United States patent application selecting line to a predetermined side according
Serial No. 2,156, ?led January 17, 1935, and refers to the kind of each element. Groups of switches
5 more particularly to a‘ multiple system having to complete the contacts by being operated by
_ a movable controller provided with a series of
the rollers are arranged to correspond with the
contact making elements and movable one sec
expected signal and are connected to an alarm
tion at a time, and a selective means removing ing electric circuit, so that upon coincidence with
said contact making elements selectively in re
an arriving signal they may be operated. Now,
10 sponse to different electric signals according to in the present invention as shown in Fig. 3, sets 10
any suitable telegraphic code and ‘adapted to
of several contact switching elements are pro
cause said selectively controlled contact making
'vided for many different signals and are con
elements to trace separate tracks when said mov-'
able” controller travels; the present invention is
15 characterized by the fact that the sets of the
nected to their respective alarming circuits
equipped with electric magnets for operating elec- .
tric lamps and other alarming devices said mag
nets having auxiliary contacts for self-holding in
groups of contact switching elements arranged
to correspond with the arrangement of said con
order that when-a set of contact point arrange
trolled rollers are provided in a large number - ment is operated by the arrival of-athe correspond
for several different signals, so that if there is ing signal the alarming may be continued, unless
20 any one among these sets which corresponds to
said magnets are opened, and when another sig
an arriving signal, it is selected to complete its nal follows the above one, substantially the sim
own alarming circuit; and also that directly after ilar operation is caused.
the operation of one set another signal is received
In the drawings, I is a ?xed frame of drum
and the corresponding set is operated in turn. type secured to the base of the machine at either
25 The object of this invention is to enable a single side of the rotatable body 2 and forms a bearing ‘I
system to serve as several different receiving sys
for the shaft 8 of the rotatable body. At the
tems and to receive messages independently of periphery of said ?xed frame I holes 9 for attach
one other. The mechanical structure of the se
ing the contact switching elements are provided
lector used in the present invention is described at the position corresponding to that of each stud
30 more clearly in my British Patent No. 436,343, or
3 of the rotatable body 2. 5 are several arc 30
my French Patent No. ‘791,554, which correspond shaped partitions starting from a section next to
to the application previously mentioned.
the selecting line of the contact making rollers.
Referring to the accompanying drawings,
They are combined with suitable holding plates
Fig. 1 is a plan of the main part of a multiple 6 to partition the positions of the forward move
35 automatic ~telegraph receiving machine con
ment of the rollers into three tracks; 1. e., right,
structed according to the present invention; the
middle and left tracks, along the outer periphery
groups of contact members disposed on the ?xed
frame are not shown in this ?gure.
Fig. 2 is an end view of a rotatable controller
pivoted to the base at pivots f1 and f2 and also
partly in section;
Fig. 3 is a section along the line 3-3 of Figure
1 and shows the superposed contact members;
Fig. 4 is a development showing an example of
the arrangement of the contact making elements;
Fig. 5 is a development showing as examples
several arrangements of groups of contact switch
ing elements;
Fig. 6 is an across-the-line-wiring diagram of
the whole system.
Referring to Figs. 1 to 3 a rotatable controller
formed by mounting a group of slidable contact
making rollers 4 upon studs 3 arranged between
opposite side plates 2 with equal space between
each stud and an adjacent one to form a squirrel
55 cage, is adapted to rotate one'section forward for
of a row of the studs 3. s and m are the levers
partially ?tted to the ends of the rods 11.1 and uz
connected to the armatures h' and g’ of magnets
h and g respectively, so as to remove the roller 4
to correspond with a "letter space” and “dash”
marks according to Morse code. They are pro
vided at their ends- with pawls s’ and m’ con
sisting of springs. k and l are push rods having
the end pawls mesh with theteeth of the ratchets
w and w’ ?xed to the shaft 8 of the rotatable body
2, while their other ends 01 and v2 are?tted to
levers or rods Ill and Ill’ pivoted at their ends is
and f4 respectively, said rods l0 and I0’ being
?tted to the ends of the rods us and 144 connected
with the armatures i' and 1' of the electric mag
nets i and 7'.
Since it is undesirable to have the two select-‘
ing levers operate upon a roller of the same sec
tion, these levers are provided with side aper
tures and are guided‘to move horizontally, as
described more clearly in my co-pending patent
36, 26, and 21, the battery C1 and the lines 22,
magnets; K1 is a switch to change an aerial line
N in a radio for a wire telegraph line T; K: is a
23, and 36; the magnet B closes the contact 0:.
Then the magnet Q is energized by a circuit con
sisting of the closed contact 03, the line 33, the
magnet g, the lines 33', 26, and 21, the batteries C1
and C2, and the lines 28, 29, and 40, and moves
the roller4 along the stud 3 by a selective lever
by-path switch; It is a controlling switch with
m so as to transfer it to the ‘dash’ mark track.
application, Serial No. 2,156, ?led January 17,
In Figure 6. A, B, D, E, h, 17,71, 7' show electric
10 an auxiliary contact 0 which opens when the
switch is closed and which closes when the switch
opens; R, a receiving relay; M, an ampli?er and
amplitude regulator; C1 and C2 are’ electric
the line 34, the coil of the magnet B, the lines
sources; F1 to F5 illustrate diagrammatically
the arrangement of several series of multiple con
tacts on the ?xed frame I; m to qt- are relays
which are provided with normally open and in
Consequently, upon receipt of the ‘dash’ mark by 10
this system, the magnets A, a’, B and g are actu
ated to move the controller 2 forward by one step
and at the same time to shift the roller 4 to the
left from the middle position and thus transfer
it to the ‘dash’ track. '
Next,'in case of the letter space or the termi
nation of an incoming signal, the contact 2| of
the relay R is kept open for a longer time than
stantly closed contacts 114 to m, normally closed
and instantly open contacts 151 to is and holding the ‘space’ time and, accordingly, the contact ca
.20 contacts e1 to es; L1 to L5 are signalling lamps; ' of the magnet A too is kept in a contacting con 20
Z and Z1 are buzzers.
The relay A is provided with an electric con
dition for a similar time. Therefore, on this oc
casion D is energized by a circuit consisting of
tact 01, which is a normally open and instantly
closed contact, a normally open time delay clos
25 ing contact oz, and a normally closed and instant-‘
the closed contact 06, the lines 31 and 38, the
coil of the magnet D, theJlines 39, 26 and 21, the
battery C1 and the lines 22 and 22’. The magnet 25
ly opening contact ce.' The electro-magnets B, D D closes thevcontact c4, whereupon the magnet
E is energized by a circuit consisting of the con
and E are provided with normally open and in
stantly closed contacts 03, c4, and as, respectively, , tact 04, the line 4|, the coil of the magnet E, the
while the electro-magnets i and a‘ have push rods
80 k and Z, which in cooperation with theratchets
w and w’ ?xed to the shaft of the rotatable body
2 move the rotatable body 2 forward by one step
each time the magnets i and 7‘ are energized. As
stated above, the electro-magnets h and 9‘ have
35 selective levers s and g, respectively, which shift
the contact-making rollers 4 selectively when
each magnet is operated, the lever 3 being pro
vided with electric contacts a and b, which are
closed when it operates.
In the arrangement shown in Figure 6, if the
switch K1 is closed on the side of the antenna
II or the wire telegraph line | 2 and the switch
k: is kept closed and an electric signal correspond
ing to the ‘dot’ mark is received, the relay R is
energized so that it attracts its armature 20 and
closes the contact 2|. Then the circuit of the
lines 42, 26 and 21, the battery 01, the lines 22
and 22', the contact cc and the lines 31 and 31’. 30
The magnet E closes the contact 05, and then the
magnet 11. is actuated by a circuit consisting of
said closed’ contact 05, [the line 43, the coil of
the ‘magnet h, the lines 46, 26 and 21, the batteries
C1 and C2 and the lines 28, 29 and 45, thus remov 35
ing the roller'4 to the space track or the right track
and at the same time closing the contacts a and b.
Then, the magnet i is actuated by a circuit con
sisting of the closed contact a, the line 46, the
coil of the magnet i, the lines 46’, 29 and 28, the 40
batteries C2 and C1 and the lines 21, 26 and 41,
and moves the controller 2 forward by one step
through the ratchet W.
In short, according to this arrangement, if the
‘dot’ mark is received, the controller 2 is moved 45
forward and the roller is caused to enter the
electromagnet A is completed, said circuit com
middle track. Also, in case of the ‘dash’ mark
prising Cl, the lines 22, 23, and 23', the coil of the controller 2 is moved forward by one step, and
the electro-magnet A, the line 24, the closed after that the roller 4 is caused to enter the left
60 contact 2|, and the lines 26, 26, and 21; then the track or ‘dash track’, while when it is a letter 50
electro-magnet A is operated.
space, theroller is removed with regard to the
If, however, the incoming signal is a ‘clotI mark, right track or the ‘space’ track, after which the
the current flows through the coil of the magnet - controller is moved a step forward.~
The multiple contact groups F1—F5 shown. in
A for a very short .time only, and, therefore,
merely closes and opens the contacts 01 and 0e, re
Figure 6 have their respective contacts I4’, |5’,and 55
spectively, without closing the time delay con
tact ca.‘ Then the circuit of the electro-magnet :i
is completed, said circuit including the battery
l6’ (see Fig. 3) arranged on the fixed frame-so as
to be able to receive the signals “SOS”, the ordi
nary call signal, “ABC”, the weather signal,
C1, the line 22, the battery C2, the lines 28, 29,
“MM”, the general search signal, “QC”, and the
and‘ 36, the closed contact oi, the line 3|, the
coil of the electro-magnet 1, and the lines 32, 26,
and 21. Thus the electro-magnet 7' moves the
controller 2 forward by one step through the
alarm to sailing vessels, “TI‘T”, as indicated in 60
Figure 5. Consequently, with a single apparatus
it is possible to receive several kinds of prede
termined signals. Each of these contacts con
sists of a stationary contact member I6 and a
movable contact member having an arm l5 adapt
ed to receive pressure from the roller 5; the con
tact terminals l3 connected with these contact
ratchet w’ by means of a push rod 1.
However, upon receiving an electric signal cor
responding to the ‘dash’ mark, the relay R at
tracts its armature 20 to close the contact 2|
for a comparatively long time, and consequently
the electro-magnet A ?rst closes the contact 01
70 by the completion of an electric circuit similar
to the one described and actuates the electro
magnet 5!, whereby the controller 2 is moved for-'
ward by one step, and then the time delay con
tact ca is closed, so that the magnet B is ener
75 sized by a circuit consisting of 'the contact c2,
members ‘ are connected in series in a certain
order to correspond to the predetermined signals
“SOS” and “ABC”, so that upon the entry of the 70
roller 4 into the ‘dash’ track, each ‘dash’ contact
| I’ in said track is closed successively, while when
it enters the ‘dot’ track, each contact H5’ is closed.
Also, when the roller has been selected to the
‘space’ track, each contact I6’ is closed.
To explain this system, taking as an example
the case where the distress signal "508” is re
ceived, the time before the arrival of. the signal
being equivalent to’the long letter space, the elec
CI tromagnets h and z‘ are actuated to remove the
roller No. 1 to the right track, as explained above
with reference to Figure 6, and at the same time
to move the controller 2 a step forward. Now,
upon arrival of the signal "508”, viz.
the switch K1, the line 4, the relay R, the line 58,
the contact ts, the line 61, the contact t4, the line
68, the contact ta, the line 69, the contact t2, the
line 10, the contact t1, the lines 1| and 12, the
switch K1, and the line 13 to earth. Accordingly, 5
upon receipt of a desired predetermined signal any
of the relays q1——qs operate to energize the corre
sponding lamp and buzzer and at the same time
the coil circuit of the relay R is broken by oneof
the contacts t1—,te of any of. the operated relays
(Ii-(15, so that none but the ?rst arrived prede
the controller moves forward three times for the
?rst three ‘dots’ and delivers the rollers Nos. 2, 3
and 4 to the middle track, and for the next letter
" space transfers the roller No. 5 to the space track.
With regard to the next three ‘dash’ marks repre
termined signal is received.
In the above example,although the alarm circuit
completed up‘oh' receiving, for instance, the signal
“SOS” is cut oil by opening the switch &, the 15
series contact in F1 regains its original condition
corresponding to "808” when the switch K2 is
at the same time transfers the rollers Nos. 6, 7 closed again, thus completing the alarm circuit.
and 8 to the ‘dash’ track, while for the letter space To obviate this inconvenience, the switch K3 is
20 it removes the roller No. 9 to the space track.
provided with the auxiliary contact 0, which is 20
Next, the rollers Nos. 10, 11 and 12 are sent to the temporarily closed when the switch K3 is opened,
middle track successively for the three ‘dot’ marks and the magnet A is temporarily energized by a
representing “S”, followed by the long letter space, circuit consisting of a contact 0, the lines 15 and
when the electro-magnets h and i operate.‘ 24, the coil of the magnet A, the lines 23 and 22,
Therefore, the controlled roller arrangement the battery C1, and the lines 21, 26, 25 and 16 to 25
takes the form shown in Figure 4. Accordingly, close the contact c1, whereby the magnet :i is actu
the contacts of the contact group F1 are con- . ated to move the controller 2 forward by one step,
nected in series and also since the electro-magnet thus breaking the connection of the series contact
h is actuated to close the contact b in Fig. 6, the of F1, so‘that the alarm circuit is not completed
alarm relay Qi is operated by a complete circuit again even if the switch K3 is closed again, and 30
the whole system is reset so that it is able to re
consisting of the contact I), the line 48, the con
tacts connected in series in the group F1, the line ceive the next signal.
I claim:
49, the alarming relay (11, the lines 5|’ and 51, the
senting the letter ‘0’, it advances threetimes and
switch K3, the lines 23 and 22, the battery C1, and
60 Cl the lines 21, 2B and 53 to close the contacts e1 and
m and open the contact 151. That on this occasion
the relay qi operates alone is evident from the dif
ference of the arrangement of the contacts of. the
groups F2—-F5 from that of the controlled rollers
40 Nos. 1-12 corresponding to “SOS”.
Thus, as explained above, when “SOS” is re
ceived and the relay m is operated, its holding cir
cuit is completed by aKcircuit consisting cf the
auxiliary contact e1, the lines 54 and 49, the relay
m, the lines 5|’ and 5|, the switch K3, the lines
23 and 22, the battery C1, and the lines 21, 25, 55
and 56. Thereupon the lamp L1 and the buzzer Z
1. A selector device for closing selectively one
of a plurality of circuits in response to different 35
prearranged codes of dot, dash and interletter
space impulses, comprising a stationary frame, a
rotatable squirrel-cage type. controller mounted
for rotation in said frame and having studs ?xed
thereto, said studs being equally spaced at the 40
periphery of saidv controller and each having a
contact roller mounted thereon .slidable longi
tudinally thereof, partitions fixed to said frame
adjacent to the path of movement of said studs
forming three passageways corresponding to dots, 45
dashes and interletter spaces having entrances for
said rollers, means for normally causing the roll
are operated by a circuit consisting of a closed
ers to be positioned to enter the dot passageway,
contact 121, the line 5-1, the lamp L1 and the buzzer
Z, which are connected in parallel, the lines 58
and 5|, the switch K3, the lines 23 and 22, the bat
selecting means positioned at the'entrance to the
passageways for moving the positioned roller to 50
tery C1, and the lines 21, 26, 55 and 59.
Similarly, if the signal "ABC” is received, the
arrangement of the controlled roller groups coin
(I! CA cides with that of. the series contacts in F2,
whereby qz is operated by a complete circuit con
sisting of the closed contact series in F2, the line
60, the relay qz, the lines 6| and 5 I, the switch K3,
the lines 23 and 22, the battery C1, the lines 21,
60 26 and 53, the contact b and the line 48. Thus,
the contacts 112 and er are closed and is opened.
Then the relay qz is held in an operative position
by the device [2 and the signal lamp L2 and the
buzzer Z1 are operated by a closed circuit consist
' ing. of the closed contact m, the line 54, the lamp
L2, the line 65, the buzzer: Z1, the line 5 I , the switch
K1, the lines 23 and 22, the battery C1, and the
lines 21,26, 55 and 63.
The operating circuits of the alarm relays qa, I14
70 and (15 corresponding to the signals “MM", “QC”
and “TTT”, respectively, may be easily traced in
a similar manner.
When the switch ‘K2 is left open, the current
which has entered from the aerial line N and has
75 been ampli?ed by the ampli?er M, passes through
cause the roller to enter either the dash or inter
letter space passageway, means responsive to the
receipt of a dot, dash or interletter space impulse
to move the controller the space from one stud to
the next to successively present the rollers to the 55
selecting means, means responsive to the receipt
of a dash impulse to cause the selecting means to
move the then presented roller into the dash po
sition, means responsive to the receipt of an inter
letter space impulse for causing the selecting 60
means to move the then presented roller to inter
letter space position, a plurality of groups of con
tacts mounted on said frame to be engaged by the
rollers. said groups of contacts being each ar-
ranged with respect to the three positions capable 65
of being assumed by the rollers in accordance
with the prearranged codes to which the con
troller is to respond and separate selecting circuits
each including in series all of the contacts of the
corresponding group of contacts.
2. A device in‘accordance with the ?rst claim
a and including a receiving relay for receiving the
impulses and repeating them to the selector, a
circuit for said receiving relay, a separate relay
included ‘in said separate selective circuits for 75
energization each having a contact normally
and including a relay in each of said selecting cir
closed when the relay is deenergized, each of said ' cuits, a locking circuit for each relay to maintain
normally closed contacts being included in series the relay energized independent of its selecting
in said receiving relay circuit to thereby render circuit and means for simultaneously opening the
relay locking circuits and causing the controller
the receiving relay non-responsive to further im
pulses and means for shunting said normally "to take one step forward independent of the im
pulse responsive means.
‘closed contacts.
3. A device in accordance with the ?rst claim,
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