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Патент USA US2404654

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July 23, 1946.
L. M. POTTS-
2,404,654
TOLL METERING SYSTEM
Filed Feb. 7, 1942
3 Sheets-Sheet l
4o
I8 HUNDREDS
INVENTOR.
Louls M. PoTTs
BY.
ATTORNEY.
July 23,- 1946.
‘
L M. POT-rs
2,404,654
TOLL METERING SYSTEM
Filed Feb. fr, 1942
3 sheets-sheet 2
F | G. 2
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INVENTOR.
LOUIS M. POTTS
BY
ATTORNEY
.my 23, 19460
'
L. M. POT‘TS
`
_
_
2,404,654
TOLL METERING SYSTEM
Filed Feb. 7, 1942
3 sheets-sheet s
Irl/75
222
INVENTOR
LOUIS M. POTTS
Patented July 23, 1946
.2,404,654 y
UNITED STATES PATENT OFFICE
2,404,654
TOLL METERING SYSTEM
Louis M. Potts, Evanston, Ill., assignor to Tele
type Corporation, Chicago, Ill., a corporation
of Delaware
Application February 7, 1942, Serial No. 429,874
19 Claims. (Cl. 17S~---2)
l
2
,
This invention relates to a toll meter system
for recording toll charges in telephone or tele
sists of a distributor having nine segmented
rings, and a tenth ring consisting of a solid ring
graph exchanges.
of conducting material. An additional impuls
ing segment is provided upon one of the seg->
In telephone and telegraph practice, it is
necessary to maintain accurate records of the
toll calls made by the individual subscribers. It
is customary to charge an initial rate usually for
mented rings of the distributor.
1
.
The operator at a particular station in the eX
change is provided with a plurality of pairs of
keys representing different toll rates. One of
the keys of each pair is operated upon the com
the initial rate period has expired. The most 10 mencement of a toll call and the other `key is
voperated upon the conclusion of the toll call.
common methodemployed for the recordation of
The result accomplished by the operation of
toll call charges is to utilize an ordinary time
these keys will be hereinafter described in more
stamp andlmanually stamp an impression upon
a three-minute period and then to charge an
additional rate for each one minute period after
a ticket at the commencement ofY a toll call and
later to stamp a second impression upon the
ticket when the toll call has been completed. «I
Any other necessaryiniormation, such as the
identity of the subscriber, is usually written in
byhand, by the long distance operator.
By the present invention, ar semi-automatic
telegraph system is provided whereby the cost
detail.
t
Three cables identifiable withthe units, tens„
and hundreds operations of the computing system
are-provided and are made up of nine wires each,
With the individual wires of a particular cable
connected to one of nine segmented rings of
20 the master distributor. l The wires connected to
the first ring will be arranged to carry one im
pulse when this ring of segments is traversed by
its associated brush during a single revolution.
The `Wires connected to the second ring will be
and eflicient manner.
`
An object of the present invention is the pro 25 arranged to carry two impulses when this ring
of segments is traversed by its associated brush,
vision of a semi-automatic telegraph system for
the next three impulses and so forth with respect
the automatic computation and recordation of
of telegraph or telephone toll calls may be auto
matically computed and printed in an accurate
telephone‘and telegraph toll calls.
A further object `,of the present invention is to
provide a toll recording system íor telephone
and "telegraph exchanges having a plurality of
to the other rings of the distributor. . Any num
berup to and including nine impulses: may be
30 transmitted over an individual wire.
This master transmitter is common to a plu
graph apparatus.
rality of operators’ stations in the exchange. It
will be understood that although the invention
is described in connection with a single rate cir
cuit, a plurality of circuits may be employed by
the present invention and individual operators
will be able to connect with diiïerent rate cir
cuits, all associated With the master transmitter
at the exchange. Furthermore, it will be un
40 derstood that the time intervals herein referred
to are chosen only for the purpose of descrip
tion and any other predetermined time intervals
could be chosen.
The individual wires of the units, tens, and
`hundreds cablesl .which are connected to the
master transmitter are capable of being con
nected to a circuit extending to a registering de-`
vice which is provided with units, tens, and hun
Otherobjects and features of the inventionv
will appear as the invention is described in more
so, dividual
rate charge circuits and means to select particular
rate charge circuits-and automatically register
and compute the total cost of individual toll calls.
Another object of the present invention is to
provide a toll recording’system for telephone or
telegraph exchanges whereby the cost for the
initial rate period and a second rate period may
be automatically computed.
l
A feature of the present invention is the pro
vision of a master transmitter by means of which
the charge for the initial rate period and the
overtime period may be automatically registered.
Another feature of this invention is to provide
a plurality of sequence switches which may be
connected in circuit with a distributor in order
to transmit telegraph signals to a printing tele-`
detail in the specification.
In carrying out the present invention, -a master
transmitter is employed for the purpose of regis
tering the rate for the initial and overtime pe
riods of a toll call. `The master transmitter con
dreds sequence switches, so that when the in-`
wires are connected to this circuit, de
pending on the number of impulses received
upon the individual wires from the master trans
mitter, the registering device is stepped ofi’ the
proper number of positions representative of the
5.5. initial rate charge. The invention provides that
.
2,404,654
3
4
any number up to and including 999 may be
registered upon the registering device.
gressively arranged so that the wires connected
to the segmental row at the extreme left as viewed
By means of a counting relay system, and cam
in Fig. 1, branches off to connect With nine con
impulsing mechanism, a period of three minutes
ducting segments of this ring. The wires lead
is allowed to elapse before a circuit representing Cl "ing from the tens cable Il and hundreds cable
a secondary or overtime charge is connected to
I8 are arranged in a similar manner to the wires
the circuit of >the _sequence switches which are
thereafter operated at one minute intervals by
impulses received from the master transmitter,
leading from the cable It. From-~ the foregoing
description, therefore, it is obvious that when
the brushes I3 traverse the rings or segmental
members in a single revolution, the segmental ring
at the extreme right is capable of generating one
impulse, the next ring will generate two impulses,
and so forth until it will be observed that the
representative of the overtime charge. It is to
be understood that it is not necessary to use all
three of the units, tens, and hundreds Wires at
one time. For instance, if an initial or overtime
charge was only eighty-live` cents, then only one
,Segment at the extreme left side of Fig. 1 is
of the wires of the units cables and one vof the 15 arranged to generate nine impulses over each
wires of the tens cable would be connected in the
of the wires coming from cables I6, I‘I, and I8
circuit.
j
,
,
, Qi' this. particular segmental ring.
At the conclusion of the toll call, the operator
Referring to Fig. 2 there is disclosed therein a
plurality of start keys 24 and a plurality of stop
is enabled, by means of one of the keys already re
ferred to, to start into» operation a telegraph 20 keys 25. Each pair of keys 24, 25 is associated
transmitter which is connected with the sequence
with a diiierent rate circuit, but for the purpose
switches. Depending upon certain telegraph-»code
of explaining» the present invention only a single
combinations set up by Athe sequence switches,
rate circuit will be described in detail; v Y
'
impulses are transmitted by» the transmitter to
At the commencement of a toll call, >the oper
a printer which automatically prints the charge
ator depresses a key >214 which controls a rate
of- the toll call upon a ticket. The operator is
circuit which represents the charge for that- par-4
provided 'with a keyboard` transmitter» and by
ticular toll call. Upon t-he depress-ion` of the key
means of a suitable switching arrangement may
24, current flows from theV condenser 30', which
~ connect into the various rate circuits to trans
has been chargedvby the battery 3-If, over the
mitïadditional information to the printer for 30 conductor- 32, through the relay 33 which be»
recordation upon the" toll- ticket.
comes energized», to ground. Al locking- circuit
This invention may be- more readily understood
for relay- 33 is established as follows:` from ground
ley-»reference toA the following description when
through one of a plurality of restoration keys 34,
taken in conjunction with the accompanying
drawings, wherein:
over conductor 35, over conductor 36, through the
'
armature 3l and loc-king winding or relay 33,»
' Fig. 1~.isïa schematic- drawing of' the master
Over' @Gnd-UCÈOF 33, to battery 39. Therestoration
key 34 referred to in the prœen-t description w-ill`
be one associatedv with the particular Yratecir
transmitter employed by the present invention;
Fig?. 2« is a circuit diagram forfaccomplishing
certain of the switching- operations performed by
the -present invention;- and
K
40
Fig. 3 is a circuit diagram including the se
quence register switches, a transmitter,Y and a
cuit chosen to-i-llustratethe invention. ItV should
be mentioned at this time, referring again to
1, that the segmental ring. at the extreme left`
portion- oi Fig». 1- has` connected therewith an»
printi-ng‘telegraph receiver.
addi-tional impulsing» segment 40 which, in» turn,
Referring to the drawings, there is shown in
Fig. >1 a master» transmitter Iil which is made up
of-iía lplurality of» segmented rings I»I- and a solid
has connected thereto a conductor 4I1. ,When
relay 33 became energized, the» impulsi-ngV circuit
over conductor 4I; became extended thro-ugh ar
mature 47, now attracted by the relay 33, over*
conductor 42; to the counting relays 43.
,
rin-'g-«of conductingl material I-ZJ. Associated with
each-ring- ot segments and the solid conducting
ring Ii.’` are one of~ a plurality-1offr brushes I-3_ which
are all electrically connected andv constantly- ro-»
tatearound the distributor.- i' Each segmented ring
is Inade- u-_p or alternate spaces or insulating ma
It should be pointed: out that the» master-trans
mitter til is» continuously operating and during
cachot its revolutions is capable of'4 transmitting
terial I4 >and conducting material' I5. It wi-ll be
understood that the width ofr‘v these insu-lated and
conducting portions of` theA distributor will be so
means of segment 46.
signal impulses and also a special impulse by
When- t-he brush of the>
master transmitter I0 passes over segment 40
during- the iirst revolution after the closing of
proportioned that the impulses of*k the proper
duration will be generated by the transmitter
relay 33, an impulsingl current can n-owI be traced'
over thel just described circuit, through armature
45 of relay .46, through relay 58' which now be
comes energized, over conductor 5,I-„to battery`39.
when- it is placedA in operation. Connected to the
conducting segments vof- the master transmitter
arefa plurality or wires leading from cables i6,
I’lî, andlßI identified- as- the units, tens, and hun
dreds cama-respectively. By reference» to the
drawings it will be noted that the individual
60
When relay 5I)l becomes energizevzi‘,A it pu-l'ls‘up its
arri-'iaturesV 52,I and 53. A, locking circuit is nowA
prepared from. ground, through restorationV key
34, over conductors 35y and` 36, through~ conductor'
wires coming from the units cable I-6- are con
54„ over the armature 52 of'` relay 53, thence
, nee-ted tothe segmented ringsl of the distributor 65 throughl the winding ofl relay 4S, through the
so that onel wire It goes to the ñrst segmental
windingv oi" relay 50; and over the conductorri'rt to
ring at the right of Fig. 1 and is there connected
battery 39. This last mentioned circuit is eiîec-‘
tof'a single segment of conducting material-_ The,
nek-t 'wire 2li goes» to. the next segmental; ring» oi
the-fm’ïa‘ster- transmitter and it can be seen -that
this wire 283 branches into two wiresfeach- con-
nested-'te one of the conducting segments of this
particu-larring. The other wires leading from
cable Iii- in turn- ai‘e connected to the segmental»
rin-gs ofv the master transmitter and are pro
tive, only when the brush of the master transmit'
ter I-IJ` leaves segment 4,0- and" accordingly key
34- must be depressed long- enough to permit thisA
action. The impulsing circuit is carrying ground
through the solid conducting ring l2, through the
brushes I3, through the segment Ml, and-‘l over
the Aconductor 4I, as far as,I but not through-¿ther
75 winding 45, vbecause at this time winding 46iis also
2,404,654.
receiving a ground potential through the 'restora
6
cuit for relay Ißlmfrom ground through'restora
tion key 34, over conductor 35, over conductor 36,
tion key 34v and over the conductor 35 as de
through armature |05 of relay IOI through relay
scribed. Therefore, as soon as the brush leaves
|06 (which becomes energized), `through relay
the segment 40, current can now flow through the
relays 46 and 50` as has been described. When 5 I0 I ,to battery |04. Sequence switch 9| is a zero
izing. switch which is used torapidly advance all
armature 53 was attracted by relay 50, an ener
of the sequence switches 68 through its connecf
gizing circuit Was established for the relay 60, as
tionswith the stepping relay V8|» to return the
follows: from ground, through restoration key
brushes of the Vsequence switches to the-ir respec
34, over conductor 35, over conductor 36, through
armatureV 6I, of relay 10, over conductor 62, 10 tive zero positions. In connection withthis op
eration it should be noted that steppingrelay 8|
through armature 53, over conductor 63, through
is provided with a vibrating contact Bla. and that
the winding of relay 60„over conductor 5| to
battery 39.
'
The energization of relay 60 allows it to pull up
ítsarmatures 64, 65, and 66. This connects con
when brush 9 laV of zeroizing switch 9| reaches its
tenth position ground is intermittently supplied
to the relay 8| until the switches return to zero;
The sequence switch 89 continues to operate for
ductors |6a, I1a, and I8a coming from each of
another one minute period when brush 93 again
the cables` I6, I1, and I8, to conductors 61, 68,
closes contact 9.4 and extends 4the circuit through
and 69, the wires connected being the particular
armature |03 of relay |06, then through arma
ones representative of the initial rate charge for
which this particular circuit was designed. This 20 ture` |09 of relay II5, through `the winding 'of
relay |10, to the battery |I|. Relay I|0 becomes
completes a circuit over the conductors 61, 68,
energized and attracts its armature ||2 and II3.
and 69. The conductors 61, 68, and 69 lead to
A locking circuit is now prepared from ground,
sequence register switches |60, |6I, and |62 (Fig.
through key 34, over conductor 35, over conduc
3) to belater described in more detail.
After the sequence switches have been stepped 25 tor 36„through armature |I2 of relay |I0, through
the relay I I5, which becomes energized when brush
up to their respective positions representative of
93 leaves button contact 94, through relay I I0, to
the initial rate charge upon receiving impulses
battery |||. `When relay ||5 is energized, it
from the master transmitter l0, segment 40 of
breaks the circuit extending through its arma~
the transmitter is again engaged by itsrespec-`
tive brush and the impulsing circuit is now ex» 30 ture |09 and attracts its armature II6, so that
a circuit is prepared to a second set of counting
tended through armature 45 of relay 46, over con
ductor 1|, through armature 12 of relay 14,
through the relay 10, over conductor 5|, to bat
tery 39 thereby energizing relay `1i). After the
brush leaves the segment 40, a circuit becomes
effective from ground through key 34, over con
ductors 35 and 36, through armature 6| of relay
10, over conductors 13, through relay 14 (which
relays
|20.
‘
I
After `the sequence switches 88 have been
stepped oir for another or third one minute in-l
terval, »brush I|9 of sequence vswitch 90 is ad#`
vanoed to a position to close contact II1 which
prepares a circuit from the impulsing segment
40 of the master transmitter, over conductors
(Hand, |2 |, through the brush I I9, through con
becomes energized), through‘relay 10, to battery
40 tact ||1, over conductor |22, through armature
39.
‘
||3, through armature |16, over conductor |23,
The energization of relay 10 allows it to at
through armature |24 of relay |25, through re
tract its armature 6| breaking the circuit to relay
lay |26, to battery |21. Thus, when the brush
69 to prevent a repeat operation of the sequence
reaches the segment 40 of the master transmitter,
switches |60, |6|, and |62 and further energiza
relay |26 will be energized. When relay |26 is
tion of relay 10 causes it to attract its armature l
energized, it attracts its armatures |30 and |3I.
16 to establish a timing circuit which allows a call
Relay |32 then becomes energized over the fol
to be made over a three minute period at the ini
lowing circuit: from ground, through armature
tial rate which has been registered by the se
|33 of relay |5l, over conductor |34, through ar
quence switches |60, I6I, and |62. The attrac
mature |3|, through the winding of relay |32, to
16
by
relay
'l0
establishes
the
l
tion of armature
battery |35. When relay |32 becomes energized,
timing circuit as follows: from battery 89,
it attracts its armatures IIS, |28, and |29, and
through the stepping magnet 8|, over conductor
this connects three conductors |36, |31, and |38
82, through armature 16, through armature 83 of
to the conductors 61, 68, and 69. The conduc
relay |82, over conductor 64, to the contact 85.
tors |36, |31, and |38 come from the cables I6,
The contact 85 is designed to be closed at six sec
I1, and I8 and represent the rate, which is con->
_ ond intervals bythe constantly rotating cam 86
nected to the master transmitter I0, which is to
of the timing mechanism indicated generally Vat
be charged for the overtime period after the
81. This completes `the ground circuit and
initial rate period has elapsed. The conductors
causes the periodic stepping of the sequence
|36, |31, and |38, therefore, will now be con
switches 88, which comprise the four switches 89,
nected in circuit with the _sequence switches |60,
90, 9|, and 92.
.
|6|, and |62 shown in Fig. 3 and will advance the
After the sequence switch 89 has been stepped
sequence switches in accordance with the im
to its tenth position by the intermittent opera
pulses transmitted over the individual wires |36,
tion of the stepping magnet 8| at` six second in~
tervals, a minute will have been tolled olî by the 65 |31, and |38 from the master transmitter I0.
It must be kept in mind at this time that when
sequence switches and the brush 93 will have
the brush II9 of sequence switch 90 closed the
reached the button contact 94 of the upper se
contact I I1 and permitted the next impulsing
quence switch 09. This will start into operation
signal from the segment 40 of the master trans
a set of counting relays |00. A circuit will be
established by relay |0| as follows: from ground, w mitter to energize relay |26, brush |45 of se
quence switch 92 is in a position to close contact
through brush 93, through contact 94, over con
|46 so that a circuit is established from ground,
ductor |02, through armature |03, through the
through brush |45,` through contact |46,~overconductor |41, through armature |30, through
its armature .|05 which establishes a locking cire 75 relays |25 and |26, to battery |21, The master
winding of’ relay |0|, to battery |04. .
i When relay |0| becomes energized, it attracts
2,404,654
transmitter rotates> several times during the six
second interval that the sequence switchesf88 are
stepped to a new position and the sequence
switch brushes therefore remain stationary for
several seconds.V This enables the next generat
ed impulse transmitted from segment 40 of the
master> transmitter to be extended over the con
ductor 4|., over the conductor |2|, through the
armature |24 of relay |25, through the armature
|50 of relay |54, to relay |5I, to battery |52. Re
lay |5| thus becomes energized and attracts> its
armatures |53 and | 33.
A circuit now extendsv
from ground through brush |45 of sequenceV
switch 92., through contact |46, over conductor
|41, through armature |53 of relay |5I, through
relay |54, through relay |5|, to battery |52. The
attraction of armature |33 by the relay |5|
causes the circuit to be broken to the relay |32
angl. prevents the repetition of a rate charge up
on the sequence switches. The circuit through
relay |32 is broken as the armature |33 of relay
|5| pulls away from its grounded contact as re
lay |5| becomes energized.
When brush |45 of sequence switch 92 moves
, oil’ of contact |46, the ground circuit to the
counting relays |20 is broken and they become
de-energized and ready for another operation.
8
meral “6” is composed of a marking, a spacing,
a marking, a spacing, and a r'narkinr- signal.
Therefore, when the upper sequence switch of,
the sequence switches |60 occupies. its sixthposi
tion, the contact at this point will be connected.
to the bus bar |13 and thus it will be. possible
to. send a marking impulse over a. wire |14. . InV
the next lower sequence switchr when its brush
|15 is in the number six position, the contact at
10 this position is not connected to the bus: bar |13,
and therefore this particular switch is Varranged
to send a spacing impulse over a wire |14v when
its brush is in its sixth position. The next lower
sequence switch is adapted to send a marking
impulse over a wire |14 when its brush is in-its
sixth position, the next> lower sequenceY switch is
adapted to send a spacing impulse over a wire
|14 when its brush occupies the sixth position.
and the lowermost sequence switch in the .hun
dreds unit is arranged so that a marking impulsev
will be sent when its brush occupies its number
six position. The units, tens,- and hundreds se
quence register switches, therefore, are arranged
to set up different telegraph code combinations
in accordance with the well-knownv Baudot sys
tem. The sequence switches. receive batteryover
conductor 95 from battery 96.
At one minute intervals thereafter, if the toll call
Referring to the transmitter H15., this trans,-v
is of such duration, the brush ||9 will be stepped
mitter will be arranged, as hereinafter described,
into positionv to close contact ||1 which will 30 so that the i'lrst set o-f signals transmitted will
cause a repetition of the operation which con
be the figures shift code combination which will
trols the overtime charge, and the sequence
operate to shift the case of the printer |16 to itsY
switches of the register mechanism will be ad
ñgures position. The next set of signals to be,
yanced accordingly.
transmitted will be the hundreds signal .set ,up
Referringto Fig. 3, there is disclosed therein
on the wires associated with cable |16.. The next
three sets of sequence register switches |60, |6I,
code‘combination will be the period code .com
and |62'. Sequence switch |62 records the units
bination. The next code combination to be trans- _
in the `computing operation, sequence switch |6|
mitted thereafter will be the tens.`combination
records the tens in the computing operation, and
carried by the wires connected with the cable
sequence switch |60 records the hundreds in the
| 1|. The next code combination to be trans.-v
computing operation. When impulses are trans
rnitted immediately thereafter’ will be `the Vunits
mitted over the conductors 61, 68, Yand 69, the
combination carried by the wires> associated with
stepping magnets |63, |64, and |65 are energized,
the cable |12. Finally, the last code combination
the circuit being from the ground of `the master
to be transmitted will be the letters Shift. code
transmitter ||l over the conductors 61, 68, .and Al: combination which will act to shift the printer
69, and through -the windings of magnets |63,
|16 back to its letters case position.
’
|E4„ and |65 to the respective batteries of the
The transmitter | |15 is. set in operation when
stepping relays. The stepping magnets are pro
the operator depresses the stop key 25 shown
vided with vibrating contacts |66, |61, and |68
in Fig. 2. The depression of key 25 establishes a`
so that as an impulse is received over the step« 50 circuit from the charged condenser |80 individual
ping relays, the sequence switches are steppedA
thereto, over conductor |8|, through relay |62,
only one position at a time.
to ground. The energization o-f relay |82 causes
Thesequence switches function as a translator
it to attract its armatures 83, |63, and |64. When
and are arranged to carry telegraph signals em~
relay |62 becomes energized, its attraction of
ploying the well-known Baudet start-stop code
armature 93 breaks the time impulsing circuit to'
system. It will be understood, of course, that
the contacts 65. A locking circuit for relay |162 is
other telegraph code systems may Vbe i utilized
established as follows:l from battery 3.9, over conf`
without departing from the scope of the inven
ductor 5|, through relay |82, through armature
` tion. Leading to the hundreds sequence switches ,
|83, over co-nductor 49, over conductor 36, then
|60 is a cable |10. Associated with the tens 60 over conductor 35, to kesZ 34, to ground. .The
sequence switches |6| is a cable |'1| and similarly
energization of relay |82 also establishes Ythe
there‘is provided a cable |12 which is associated
following circuit: from ground, through armature
with the units sequence switches |62. To illus
|84, over conductor |85, to the start magnet |86,
trate this portion of the invention, the hundreds
to battery. T’he o-peration of the start magnet
sequence switches |60 will be considered. It will 65 |86 allows the transmitter | |16 to begin trans
be observed that bus bars >|13 have connected
mission. ’I‘he start magnetl |36 acts in: a well
thereto1 wires |14 extending from the cable |10.
known manner to accomplish the start of trans
The other end of'wires |14 are connected to cer
mission from the transmitter H15.
tain segments of a master transmitter H15.
The carry-over circuit for the. sequence register
The different contacts of the sequence switches 70 Vswitches will now be explained. When the ‘brush
|60 are so connected to the bus bars |13 that as
|90 reaches its zero position, a circuit will be made
the brushes |15 are stepped to each of their
from battery, through contact |:9|‘, Yover conduc
positions, the proper code is set up >which is
tor |92, through relay |93, which becomes ener
capable of being transmitted over the transmitter
gized and attracts its armature |94, to ground.
H15.- For instance, in the Baudot code,> the nu
This initiates a circuit from condenser A |95,
2,404,654
10
through armature |94, over conductor |96,
through the winding ‘of relay |91, te ground.
|93 is thus energized and attractsits armature
233 which breaks the ground connection for the
This permits a circuit to be made from ground,
over the armature |98 of relay 200, over conduc~
tor 20|, through armature 202 which is now at»
relay 226, whose armature 241 then moves away
and breaks the circuit to the stepping relay |65
which, therefore, remains at its zero position’.
tracted by the relay `|91, through the second
winding of relay |91, over conductor 293, through
the vibrating contact |61 of stepping magnet |64.
Similarly, the sequence switches I 6| are returned
to their zero position as follows: as previously'ex-V
This will allow the tens sequence switches |6| to
be stepped up one position. In a similar manner,
the sequence switches |60 are stepped up an
other position when a number is carried over from
the tens switches to the hundreds switches, and
this operation will now be explained. When the
brush 205 reaches zero position in the tens se~
quence switches I6I, a circuit is established
from battery, through contact 206, over conn
when the brush 205 is stepped into its zero posi
tiona vcircuit is made as follows: from battery to
brush 205, through contact 206, over conductor
plained, the stepping magnet |64 is energized and
201, through the winding of relay 208, to ground.
Theenergization of relay 208 allows it to attract
its armature 238 which breaks the'ground circuit
for relay 221 whose armature 250 then >pullsïaway
and breaks the circuit to the stepping magnet
|64. ‘In a. similar manner, when brush 256 Iof
the sequence switches |69 reaches its zero posif
energization of relay 203 .allows it to pull up its
tion, it makes a circuit from condenser 2,51 over
armature 209 and a circuit is made from the con 20 brush 256 thro-ugh contact 258, over conductor
denser 2| 0 over the conductor 2|\I,'to the relay
259, through relay `243 which then becomes ener
gized and attracts its armature 242 breaking'ithe
2|2, to ground. The energization of relay 2|2
ground .circuit to the relay 228 whose‘armature
allows it to attract its armature 2 I3, and a circuit
ductor 291, through relay 208, to gro-und. The
is established as follows: from ground, over arma
ture |98 of relay 299, over conductor 20| , through
269 then falls away and breaks the circuit tothe
‘ stepping magnet
|63. The sequence switches,
armature 2|3 of relay 2|2, through the second
winding of relay 2|2, over the conductor 2|4,
therefore, are all returned to their original Aposi
» through the vibrating contacts |68 of the step--`
When the relays 226, 221, and 228 became'de
energized their respective armatures 223, 224», and
ping magnet |63 to battery. This permits the
hundreds sequence switches to be stepped for
ward one position.
_
tions ready to perform another operation.
’
s
225"were released and the‘loeking circuit for the
relay 200 was broken. i It should be pointed out
at this time that when relay 299 was energized
When one of the Wipers of the brushes |282
during the zeroizing operation, armature |98 of
of the transmitter |I15 traverses the segment
2I8, circuits are established for returning the
relay 200 was attracted and, therefore, there was
no danger of any carry over operations being per
sequence switches to their respective zero posi
formed during the zeroizing operation when re
tions. A circuitis established from ground,
lays |93 and 208'became energized inasmuchl as '
through the brush |282, over the segment 2|8,
over conductor 2 I 9, through relay 209, to battery.
the circuit for the zeroizing operation ordinarily
The energization of relay 200 allows a locking
extends through the armature |98 to ground, `
circuit to be made from battery, through the 40
Referring now to the` master transmitter |I15
disclosed in Fig.` 3, the-operation of this trans
winding of relay 200, over armature 22| (now
mitter will now be described in more detail. VThe
attracted), over conductor 222, then branching
transmitter has four rings, two of which are seg
off through the armatures 223, 224, and 225, o_f
relays 226, 221, and 228, respectively to the
mented asshown. Connected to'thelupper seg-_
grounds. These relays having become energized 45 ments of the ringat Athe left of the master trans
mitter are a pluralityfof wires 210 which are all
at this time due to the fact that when relay 290
attracts its armatures 229, 230, and 23|, one cir
connected to' a main conductor 21|. The wires“
cuit is made from ground, through armature 233
219 are so connected to thetransrnitter that they
of relay |93, over conductor 234, through arma
represent the code combination of the figuresV
ture 23|, over the conductor 235, through the 501 shift operation by means of which the printer
|16 will‘ybe shifted to its figures position. Next
winding of relay 226, over the conductor 236, to
battery.' A similar circuit is established.` from
to be connected to the segments of the master
transmitter-are the lead wires |14 which are con
ground, over armature 238, over conductor 239,
through the armature 230 of relay 200, over con
nected to cable |10 and represent the `_hundreds
ductor 249, through the winding of relay 221, over» 55 ligure code combination which has been set up by
the sequence switches |69. The next group of
the `conductor 236, to battery. Another similar
wires to be connected to the segments of the mas
circuit is established from ground, over armature
ter transmitter are the wires 212 which are con
242 of relay 243, over conductor 244, through the
nected to the main conductor 21| and represent,
armature 229 of relay 200, over the conductor 245,
through the winding ofrelay 228, over the con 60 the period code combination which will `be trans
mitted to the printer |16. The next group of
`
f
wires to be connected to the segments of the mas
The relays 226, 221, and 228 are therefore at
ter transmitter are the wires 213v which come fromv
this‘time energized and circuits to the stepping
the cable |1I which carries the tens code combi
magnets |63, |64, and |65 are established as fol
nation which has been stepped up by the sequence
lows: the circuit for stepping magnet |65 of the
switches I6I. The next group of wires to be con- ‘
sequence switches |62 is traced from battery
nected to the segments of the master transmitter
through the winding ofV relay |65 through the
are the wires 214 which are associated with cable
vibrating contact |68, over the conductor 246,
|12 which represents the units co-de combination
through armature 241 of relay 226, over conduc
tor 248, to ground. The brush of sequence 70 which has been set up by the sequence switches
|62. The last group of wires to be connected to
switches |62 is stepped until it reaches the zero
ductor 236, to battery.
the segments of the master transmitter are the
position wherein contact |9| is closed and a cir
cuit is `established as follows: from battery
wires 215 which 4represent the letters shift code
through brush |90, through contact I9 I, over con
combination which is employed `for shifting the
ductor |92,.thro’ugh relay |93, to ground. Relay
printer |16 to its letters case or unshift position.
2,404,654
v11
12
Y
The wires 215 are in turn connected. tothe main
cam 86 of the timing mechanism 81 operates at
conductor 21|.
six second intervals to energize the stepping mab»The main conductor 21| is connected with the
net 8| of the sequence switches v8S. When ten
conductor 216 and leads to the plug switch 211
such impulses are transmitted, a minute interval
(Fig. 2). Also associated-with the plug switch Ul will have expired and the brush 93 of the upper
211 is a conductor 218 which is connected to bat
sequence switch 89 will be in a position to close
tery 96 (Fig. 3). When the operator desires t0
contact 94 and thereby place a set of counting
transmit information to the printer |16 in order
relays |00 into operation. The sequence switches
to add any necessary information to the toll
88 will then toll olf another or second one min
ticket a plug is inserted ’in the plug switching
ute interval, at the expiration of which time brush
contacts 211 and a circuit is established to the
93 of the upper sequence switch 89 will again be
printer |16 as follows: from battery 96, over
in a position to close the contact 84 and there
the conductor 218, through the plug switching
fore extend the circuit of the counting relays 400"
contact 211, through the` keyboard transmitter
so that armature ||6 is closed by the relay H5'
219, over the conductor 216, over the main con
and armatures ||2 and I|3 are closed by the.
ductor 21|, through the branch conductor 28|
relay | |0. Sequence switches 88 will again func
shown at the top of the transmitter segments.
When transmission is taking vplace from the
terval.
transmitter ||15, battery for the figures shift,
tion as before to toll off a third one minute in
When this period has-been tolled oí,
the brush | I9 of the sequence switch 96 will be
the period and the unshift combination is fur 20 in a position to closethe contact Il?, which will
nished as follows: from battery-96 over conductor
enable the next generated impulse transmitted
218, through plug switch 211, over conductor 216
from segment 40 of the master transmitter |0
to the main conductor 21|, and thence from the
over conductors 4| and |2| to energize a set of
various branches of the segments of the trans
counting relays |20 which enables the relay |32
mitter, through the printerl |16 to ground. The 25 to become energized and attract its armatures
circuit for the units, tens,A and hundreds cables
IIS, |28, and |29. This connects conductor |36
extends from battery 96 over conductor 95
of the unit cable, conductor |31 of the tens cable
through the brushes of the sequence switches
and conductor |38 of the hundreds cable to the f
(provided theV signal is marking), through cables
conductors 61, 68, and 68, respectively. Conduc-v
|10, |111, and |12 through the segments of the 30 tors |36, |31, and |33 are identified with the
master transmitter to the printer |16 and then
overtime rate charge. Conductors 61, 68, and
to ground.
'
69, are connected to the stepping magnets |63,
|64, and |85 of the sequence switches |60, .|6|,General operation
and |62, respectively. Therefore, as the brushes
In »order that the present invention may be 35 of the master transmitter pass over the seg
readily understood, a typical toll charge opera
mental rings, the impulses carried over the se-v
- tion will now be outlined. As has been previously
stated,Í for each particular rate charge an oper
ator is provided with a pair of keys 24, 25. At
lected conductors |36, |31, and |38 will operate ‘
to energize the stepping magnetsv |63, |64, and
|165, so that the sequence switches associated'
the beginning of the toll call, the operator de~ 40, therewith are stepped up to positions representae
tive of an overtime charge. This cycle of opera
rate being charged for the particular call. The
tions for the overtime rate will be repeated at
depression of a key 24 energizes relay 33A which
one minute intervals thereafter if the toll call is
establishes a circuit tothe counting relays 43
of such duration. ItV must be borne in mind, .that
so that when the next impulse is transmitted over 45 previously the initial rate charge was stepped up
presses a key 24 which is identifiable with the
the conductor 4| as a brush I3 of the master
transmitter I0 traverses the segment 40, relay
60 will become energized, which will connect three
selected conductors |6a of the units cable I6, |1a
by the sequence switches so that, therefore, as
the sequence switches are stepped up thereafter
during the overtime rate period, an aggregate
or cumulative registration of both the initial rate
of the. tens cable |1 and. conductor |8a of the 50 and the overtime rate charges is automatically
hundreds cable I8; therefore, as vthe armatures
computed by the sequence registering switches.`
64, »65, Aandlili are pulled up as relay 60 is ener
As hereinbefore explained in detail, the se
gized, conductors |6a, |1a, and Ißa will be con
quence switches |60, |6I, and |62 are arranged
nected in circuit with conductors 61, 6,8, and 6è?,
in combinations in conformity with thewell
respectively. >Conductors 61, 68, and 69 are con 55 known Baudot code and are associated with the
nected to the stepping magnets |63, |64, and |65,
transmitter ||15 in such a manner that when
respectively. Thus, depending on the number of
the transmitter ||15 is placed into operation,
impulses which will be carried over the selected
the aggregate or total charge registered by the'f
conductors |6a, |1a, and |8a when they receive
sequence switches will be translated into tele
impulses `from the master transmitter lll, the 60 graph code combinations.
' `
sequence switches |65, |6|, and |62 will be ac->
At the completion of the toll call, the operator
cordingly stepped up to positions representative
will depress the stop key 25 which is associated
of the initial rate charge.
with the particular start key 24 representative
When the next impulse is transmitted over the
of the toll call which has just been made. De
conductor 4| as the brushes of the master trans 65 pression of the key 25 energizes start magnet |86
mitter traverse the segment 40 during its next
and starts into operation theV master transmitter
revolution, the counting relays 43 will so func
||15 which is connected with the printer |16.
tion that relay 10 will become energized breaking
As the brushes 282 of the transmitter ||15 trav->>
the circuit to the relay 60 to prevent a repeat
erse the segments, ñrst, a figures shift combina
operation of the sequence switches |60, |6|, and 70 tion is sent to the printer |16, next, the hundreds
|62, and at the same time closing its armature
code combination set up by the sequence switches
1.6 so that the timing circuit will become effective
|60 -is sent. 'I'he next set of impulses to be
to allowa three minute interval to elapse before
transmitted by means of the wires 212 will repre
a second or overtime rate circuit is selected.
sent‘the period code combination. The next set
When the timing circuit is made effective, the 75. of impulses constitute the tens code combination, '
2,404,654
13
which has been set up by the registering switches
IBI through the wires 213. The next set of im
pulses to be transmitted to the printer |16 will
be the units code combination which has been
set up by the sequence switches |62 which are
connected by means of the conductors 214 to the
transmitter |115. The last set of code com
14
generating impulses, an initial rate charge cir
cuit connected to said transmitter conducting a
predetermined number of impulses from said
transmitter, a second rate charge circuit con
nected to said transmitter conducting a pre
determined number of impulses from said trans
mitter, a registering device, means to connect
said initial rate charge circuit to said register
binations to be sent to the printer |16‘is the
ing device to operate said registering device in
letters unshift code combination which is set up
by the conductors 215 which are connected to 10 accordance with the number of impulses trans`
mitted over said initial rate circuit, means to
the segments of the transmitter H15. After
disconnect said initial rate circuit from said
the transmitter H15 makes a single revolution
registering device, and means operable after a
segment 2I8 is traversed by the brushes |282, the `
predetermined period of time haselapsed to con
registering switches are returned to their zero
positions as described, and the rotation of the 15 nect said second rate charge circuit to said trans
mitter at timed intervals to operate said regis
transmitter is stopped.
tering device in accordance with the number of
At the end of a tolling operation, the operator
impulses transmitted over said second rate cir
may break the locking circuits for counting re
cuit to thereby enable said registering device to
lays 43 and |00 by depressing the restoration
20 compile an aggregate registry of both registering
key 34.
operations.
When the operator desires to send any ad
5. In a toll metering system, a transmitter in
ditional information to the printer |16, a plug
cluding means to generate impulses, an initial
is inserted in the plug switching contacts 211
rate circuit selectably connected with said trans
and a circuit is established from keyboard trans
mitter for conducting a predetermined number
mitter 219 to the printer |16 over conductors 216
of impulses from said transmitter, a second rate
and 218.
circuit connected with said transmitter conduct
It is to be understood that various changes
ing a predetermined number of impulses from
and modifications might be made in the present
said transmitter, a, registering device, means to
invention without departing from its spirit and
30 connect said initial rate circuit to said register
scope.
ing device, to operate said registering device in
What is claimed is:
accordance with the number of impulses trans
1. In a toll metering system, a master trans
mitted over said initial circuit, means to dis
mitter including means to continuously generate
connect said initial circuit, and means operable
impulses,` selectable circuits connected with said
after a predetermined time interval for connect
transmitter each conducting a predetermined
ing said second rate circuit to said registering de
number of impulses from said transmitter cor
vice to operate said registering device in ac
responding to a selected digit, a plurality of se
cordance with the number of impulses trans
quence registering switches, stepping magnets for
mitted over said second circuit.
operating said switches, and rate circuit select
6. In a toll metering system, a transmitter in
ingV means for connecting selected circuits to
cluding means to generate impulses, an initial
said stepping magnets to energize said magnets
rate circuit connected with said transmitter car
in accordance with the number of impulses trans
rying a predetermined number of impulses from
mitted over said selected circuits to thereby ad
vance said sequence switches to positions repre
said transmitter, an overtime rate circuit carry
4. 5. ing a predetermined number of impulses from
sentative of the rate circuit selected.
2. In a toll metering system, a transmitter in
said transmitter, a registering device, means to
cluding means> to ‘generate impulses, circuits
connect said initial rate circuit to said register
connected with said transmitter capable of in
ing device to operate said registering device in
dividually conducting a predetermined number
accordance with the number of impulses trans
of impulses and collectively a varying number 50, mitted over said initial circuit, means for dis
of impulses, a registering device, rate circuit
connecting said initial circuit, and means oper
selecting means for initially connecting selected
able after a predetermined time intervail for
rate circuits to said registering device> to oper
periodically connecting said overtime rate cir
ate said registering device in accordance with
cuits to said registering device to operate said
the number of impulses transmitted over the
registering device in accordance with the number
rate circuits selected, means for disconnecting
of impulses transmitted over said initial circuit
said initially selected rate circuits and means to
to thereby enable said registering device to com
connect second rate circuits to said registering
pile an aggregate registration of the initial and
device to operate said registering device in ac
overtime rate operations.
`
cordance with the number of impulses trans 60 '1. In a toll metering system, a transmitter in
mitted over the second rate circuits selected, to
cluding means to continuously generate impulses,
enable said registering device to thereby compile
circuits connected with said transmitter conduct
an aggregate registry of both selecting opera
ing impulses therefrom, a registering device, and
tions.
‘
circuit selecting means for connecting selected
, 3. In a toll metering system, a transmitter
rate
circuits to said registering device to operate
for continuously generating impulses, a rate
said registering device according to the rate cir
charge circuit selectively connected to said
cuits selected.
Y
transmitter capable of conducting a predeter
8.
In
a
toll
metering
system,
a
transmitter
in
mined number of impulses from said transmit
cluding means to continuously generate impulses,
ter, a registering device, means to connect said
a rate circuit selectively connected with said
rate charge circuit to said registering device
transmitter for conducting impulses from said
to operate said registering device in accordance
transmitter, a registering device, and means for
with the number of impulses carried by saidrate
connecting said rate circuit to said registering
charge circuit.
l
»
i .
. 4.‘In a toll metering system, a transmitter-for 753 device to operate‘said registering device »in ac
2,404,654
¿15
cordance with the'impulses transmitted over said
rate circuit.
\
9. In a toll metering system, a transmitter in
cluding means to continuously generate impulses,
a rate circuit connected with said transmitter con
ducting impulses characteristic of a selected digit,
a registering device, means for connecting said
rate circuit to saidregistering device to operate
said registering device in accordance With the
impulses transmitted over said rate circuit, trans
lating means associated with said registering de
vice Íor translating~ a registration into a tele
graph code- combination, a telegraph transmitter
said registering device for translating an aggrjs-`
gate registration into a telegraph code combina
tion, a telegraph transmitter connected to said
translating meansto transmit signals in accord
CI ance with the code combinations translated, a
telegraph printer connected with said telegraph
transmitter, and means to operate saidv telegraph
transmitter to thereby operate said telegraph
printer in accordance with the code combinations
translated.
13. In a toll metering system, a transmitterv
including means to transmit impulses, an initial
rate circuit connected with said transmitterv for
connected to> said translating means, a telegraph
conducting impulses from saidftransmitter, a
printerconnected with said telegraph transmit 15 second rate circuit connected with said transmit
ter, and'meansto operate said telegraph trans
ter for conducting impulses from said transmit
mitter- to thereby enable the recordation of in
formation by said telegraph printer in -accordance
with the telegraph code combination established
by Isa-id translating means.
'
10. In a toll metering system, including im
pulse generating means, an initial rate circuit
connected with said impulse generating means for
conducting impulses, a second rate circuit con
nected with said impulse generating means for
conductingimpulses, a registering meter, means
to connect said initial rate circuit to said regis
tering meter in accordance with the impulses
transmitted over said initial rate circuit, means
ter, a registering device, means for connecting
said initial rate circuit to said registering device
to operate said registering device inv accordance
20 with the impulses transmitted over said initial
rate circuit, means to disconnect said'i'nitial. rate
circuit, and means to connect said second rat-e
circuit to said registering device to operate said
registering device in accordance with the im
f pulses transmitted over said second rate circuit
to thereby enable said registering device to com
pile an aggregate registration of both registering
operations.
l
'
.
14. In combination, a telegraph transmitter, a
for disconnectingsaid initial rate circuit, and 30 signal responsive means, said transmitter com
prising a plurality of sets of continuously oper
means operable after a predetermined time inter
val `to connect said second rate circuit to said
ating sets of number transmitting means', and
registering meter to operate said registering
means to select predetermined number transmit
meter in >accordance with the impulses trans
ting means of each set to operate said signal re
mitted over said second circuit to thereby enable
sponsive means according to the number trans
said meter to register `an aggregate registration
mitting means selected.
,
of the initial and second rate operation.
15. In a Itoll metering system, an impulse
ll. In a toll metering system, including im
transmitter, a register, selectable rate circuits for
pulse generating means, an initial rate circuit
connecting said transmitter with said register,
connected with said impulse generating means 40 means for selecting a desired rate circuit where
for carrying predetermined signal impulses, a
upon an impulse code combination exclusive to
second rate circuit connected with said impulse
the rate circuit selected is transmitted from said
generating means for carrying predetermined
transmitter to said register to cause to be set up
signal impulses, a registering meter, means to
in said register a charge equal to an initial rate,
connect said initial rate circuit to said'register 45 means for registering an overtime rate whereby
ing vmeter to operate said registering meter in ac
said overtime rate is additive to the said initial
cordance with the impulses transmitted over said
rate to position the register to record a total toll
initial rate circuit, means for disconnecting said
charge, translating means including a telegraph
initial circuit, and means operable after a pre
transmitter associated with said register, a print
determined time interval to connect said second 60 er, and means for connecting said translating
rate circuit periodically 'to said registering meter
means and said printer to record the total charge
to >operate said registering meter in accordance
registered.
_
with the impulses transmitted over said second
16. In combination, manually operable means
circuit to thereby enable said meter to register an
for selectively registering an linitial toll charge,
registration of the initial and second 55 automatic means initiated by said manually op
rate operation.
erable means for additively registering an over
12. In a toll metering system, including iin
time toll charge whereby a total toll charge is
pulse generating means, an initial rate circuit
registered, and translating means including a
connected with said impulse generating means
code transmitter for translating the registered
for conveying impulses therefrom, a second rate 60 total ytoll charge into recorded intelligence.
circuit connected with said impulse generating
17. In a toll meteringsystem, a master trans
means for conveying impulses from said impulse
mitter including means to continuously generate
generating means, a registering meter, means to
predetermined groups of impulses, circuits con
connect said initial rate circuit to said registering
nected with said transmitter over which impulses
meterV to operate said registering meter in ac 05
from said _transmitter are transmitted, a regis
cordance with the impulses transmitted over said
tering device, and means for selecting certain'of
initial rate circuit, means for disconnecting said
said circuits and for connecting said selected cir
initial circuit, means operable after a predeter
cuits to said registering device whereby said reig
mined time interval to connect said second rate
istering device will be operated in accordanceA
circuit to said registering meter to operate said 70 with the number oi’ impulses generated by said
registering meter in accordance with the `im
transmitter and transmitted over the` selected
pulses transmitted over said second circuit to
thereby enable said meter to register an aggre
gate registration of the initial and second rate
circuits.
Y
,
18. In a toll metering system, means to gener
ate impulses, a> register, means to cause some of
operations, translating means' associated with 75 said impulses to be transmitted to said register
2,404,654
18
corresponding ,to an initial and an overtime
to transmit additional information to said print
charge to be additively stored in said register,
er when said ñrst transmitter is in its arrested
translating means to translate said stored im
position.
pulses to permutation code signals, a transmitter,
19. In a toll metering system, a circuit, means
to indeñnitely transmit a continuous succession
of identical signals on said circuit, a register, and.
means to connect said register to said circuit
for the duration of one only of said signals
a printer, means to release said transmitter for
one cycle of operation to transmit sode signals
to said printer indicative of the total toll charge
and to arrest said transmitter after the comple
whereby said register is operated during this pe
tion of said cycle of operation, a second transmit
ter, and means to connect said second transmit 10 ríOd.
LOUIS M. POTI‘S.
ter to said printer through said ñrst transmitter
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