US1810330A - Zone metering system - Google Patents

Zone metering system Download PDF

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US1810330A
US1810330A US367996A US36799629A US1810330A US 1810330 A US1810330 A US 1810330A US 367996 A US367996 A US 367996A US 36799629 A US36799629 A US 36799629A US 1810330 A US1810330 A US 1810330A
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Prior art keywords
relay
armature
circuit
switch
conductor
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US367996A
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Wicks John
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Reserve Holding Co
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Reserve Holding Co
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Priority to BE370794D priority Critical patent/BE370794A/xx
Application filed by Reserve Holding Co filed Critical Reserve Holding Co
Priority to US367996A priority patent/US1810330A/en
Priority to GB15549/30A priority patent/GB354858A/en
Priority to FR696558D priority patent/FR696558A/fr
Application granted granted Critical
Publication of US1810330A publication Critical patent/US1810330A/en
Priority to US549378A priority patent/US1850330A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C1/00—Refining of pig-iron; Cast iron
    • C21C1/06—Constructional features of mixers for pig-iron
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication

Definitions

  • The'presentin-vention relates in general to zone metering telephone systems, but is particularly concerned with the provision Aof a c Zone ainetering system forusefin conjunction c with an automaticv telephonesystem such as disclosed in the' co-pending Wicks application, Serial N 0.297 ,611, filed August 6, 1928.
  • the :main object of thepresent invention Y is ytofprovide fzone metering equipment so anytime duringor subsequent to the installation of the rest of theeXchange.
  • Fig. 2 shows va plunger switch l?, which isf individual to the selector repeater SR,y and is for associating the selector repeaterwith idle zonem-etering ⁇ equipment when the selectorl? repeater is seized.
  • the switch P is ⁇ of .the well known pre-,selecting plunger type.' vA master, switch FIS, of well known type, funcf tions lto maintain the plungerof the switch l? betere bank cont-acts with which idle zone metering yequipment* is associated. ⁇
  • switch ZES which .is n echanically of the Also shown inl Fig. 2 are selector D, connectoriH, and called y'liner equipment A', all ofwhich.
  • the equipment of Fig. 3 comprises a number of relays; for recording the zone to which a connection hasbeen set up gifor controlling t e periodic assessment of a time lapse charge in accordance with the zone called; and for causing a-Zone charge to beinade at the terminat-ion ot' a. call yunless terminated by an operator.
  • Cooperating ⁇ with ⁇ these relays is av ten-pointtiine limit switch TL, kwhich is of the well known.
  • The'switch TL cooperates with the-other equipment of Fig. 3 to automatically break down the connection after the lapse ot' a fixed number of talking periods and also functions to step the metering operation after an appropriate charge for the call has been made in case the call is terminated before the time and SPS of the same type as thelineswitch LS arel also provided.
  • the time pulse switch TPS isl common to the exchange, and is continuously advanced under control of ya time cani 249, which causes the wiper 281 of the switch to pass over all its contacts onceevery three minutes.
  • the start pulse switch SPS functions to iindthe'position of the wiper of switch TPS, the instant a call is answered,
  • the switchZRS is actuated by theffirst two series of impulses transmitted by a calling subscriber to determine thesetting of the recording relays of Fig. 3, or to cause the releaseof all zone meter equipment if 4no charge ist@ be made for a connection
  • a ⁇ second zone register same type'asTL, in the right portion ot Fig. 3, is actuated by the thirdseries of impulses transmi ted'by the calling subscriber, and is provided to enablea. third registration to be madehwhenniore than two digits are required to determinethe Zone.
  • Fi .g4 is a time releaseswitch TR whichr g, y A a -76 limit has expired.
  • Two rotary'switches TPS f mechanically is of the same type as ZES.
  • This switch and the zone register switches are associated With the equipment of Fig. by a plunger switch P', similar to P, and is one of a number oit such switches each of which is permanently associated with a set of meter control equipment.
  • the master switch MS is identical to the master switch MS of Fig. 2 and has similL r functions.
  • Line relay 104 When the receiver is removed at substation A, a circuit is ,losed over line conductors 101 and 102 for line relay 104 of the line-- switch LS.
  • Line relay 104 energizes over the calling line and places ground on the associated private normal conductor 118 leading to the banks of the connector switches having laccess to the line ot subs' ,bien A, thereby making this line busy to those counectors, and also closes a circuit through 'the combined switching and cuteotl' relay 103 and the motor magnet 105.
  • L'zne relay 104 also at armature 120 connects test Wiper 111 through armature 107 and resting contact to the junction of reA 03 and magnet 105.
  • stepping magnet 105 ceases to operate, and relay y103, belng no longer short circuited, energizes in series with stepping magnet 105, which however, does not operate at this time on account of the relatively high resistance ot relay 103.
  • relay 103 Upon energizing, relay 103 disconnects test Wiper 111 from the junction of its own Winding and that of magnet 105 and connects it to the grounded private normal conductor 118, thereby extending ground to the release trunk conductor of the seized trunk; it connects up the meter operating Wiper 112 at armature 108; and at armatures 106 and 109 disconnects conductors 101 and 102 from line relay 104 and ground and ex-y tendsthem by Way of Wipers 110 and 113, conductors 114 and 117, armatures 173 and 179 and their resting contacts, and through the upper and lower windings of line relay 121 and relay 124 to battery and ground,
  • Line relay 121 energizes over the above traced circuit,but relay 124, being differential and stiily adjusted, will operate only when ground is connected to both its windings.
  • Line relay 121 upon energizing, at armature closes a circuit for energizing relays 123 and 127 in series, and at armature 141 removes the short circuit from around release relay 122 and closes an energizing circuit for that relay in series with the vertical magnet 130 and the upper and lower windings of relay 126 in multiple.
  • Release relay 122 energizes over ythe'above traced circuit; the vertical magnet 130 does not operatebecause of the high resistance of release relay 122, While relay 126 does not operate because of the shunt-ing effect of magnet 130.
  • r Release relay 122 upon energizing, at armature 142 closes a shunt around the armature 161 to prevent the circuit of relay 121 being opened by the energization of relay 126; at armature 143 prepares a point in a holding circuit- ⁇ for relay 123; at armature 145 grounds the release trunk 115, thereby maintaining the lineswitch LS in operated Vposition when ground is removed from armature 119 by the deenergization of line relay 104; at armature 146 grounds conductor 205; and at armature 147 completes a locking circuit tor itself and prepares the impulsing circuit for the vertical magnet 130.
  • the circuit or energizing relays 123 and 127 may be traced as follows: from ground by Way of the upper winding of relay 127, normally closed springs controlled by armature 180, normally closed springs controlled by armature 117 3, armature 140 and its Working contact, and the upperwindings of relays 123 and 124 in series to battery. Due to its spring adjustment, and thel current flowing in its lower Winding, relayy 124 is not energized over this circuit.
  • Relay 123 upon energizing, at armature 149 opens a point in a circuit for the release magnet 19; and at armature 150 prepares an energizing circuit for relay 125, which, however, 1s open at armature 17 0 at this time.
  • Relay 127 upon energizing, at armature 166 connects with ground through resistance 167, in order to maintain relay 123 energized during impulsing; at armature 168 and its Working contact connects dialtone DT to conductor 114 notifying the subscriber to begin dialling the called number; at armature 169 removes the shunt circuit from around the upper Winding of relay 128; at armature 171 opens a point in an overflow busy circuit; and at armature 170 opens a point in' the circuit otrelay 125 and at its Working contact completes a locking circuit for itself, extending from ground by Way of armature 150. This ground, it Will be noted, also extends by Way of conductor 207 to the Vrelay 210 in Fig. 2. This relay, therefore,
  • Vselay 269 upon operating, at its armature 263'closes a vpoint in an automatic release circuit which will be des-cribedlateigand its armature 264 opens a point ina ycontrol .circuit tor the :i meter.
  • Theground supplied over conductor 219 also irtendsby way of armature 282rand its resting contact, conductor 341, through the break contacts 384 of the plunger switch l,
  • the closure ot bank prevent 4the latter relayioperating when theVVA vertical magnet 130 is disconnected from the circuit.
  • VRelay275 yis marginal and does not operate in series with 4347.
  • the relay 347,l
  • Vconductor342 resting contact a-nd armature 283, conductor 221, bank rcontacts 226 of switch P, and the conductor 206, and arma# ture 183 and its resting Contact to the verticaly magnet 130 t0 battery.
  • the selector repeater SR takes one vertical step.
  • relay 275 upon'operating, vat its armatureA 286 interrupts Lthe circuit oty relay 231, ⁇ per mitting it to restore; at armature 276 applies ground'potential from the grounded contact and armature 285: through the contact and armature27 3 to the slow-release interruptor relay 251.
  • This relay in turn, at its armature 265 completes a circuit ⁇ for Athe slow-release relay 269, which operates and at its armature 271 transmits ai ground pulse over f the resting" contact and armature 232, conductor 218, bank contacts 223, armature 211 and its working contact, conductor 204,.aiid through the winding'v of the rotary magnet 131 to battery.
  • the relays 2511and 269 nowv operate alternately'to repeat pulses out over the ⁇ conductor, 218, :causing'the selector repeater 'SR to rotate its wipers -until it is stopped by the operation of its cam springs 118 and '187 on the eleventh rotary step.
  • the springs118 in actuated position connect overflow busy tone to the calling line, and the springs 187 complete a circuit for relay 129 at the termination of the eleventh impulse, from battery through magnet 131, through springs 187 the lower winding of 129 to ground on conductor' 115.
  • Relay 129 operates, at its armature 182 completes a shunt circuit about its upper winding rendering the relay slow to release and thereby preventing its release during the transmission of a su sequent impulse over conductor 204, and at its contacts controlled by armature 180 interrupts the circuit of relays 123 and 127.
  • Relay 127 upon restoring, at armature 170 opens the circuit of relay 210 of switch P.
  • Relay 210 thereupon restores and interrupts the holding circuit of switch P, which now restores.
  • ground is removed from conductor 219, causing the relay 234 and switch P to restore.
  • The' restoration of switch P interrupts the circuit of'relays 275 and 347 which also restore.
  • the relay 347 upon restoring, at its armature 348 completes the circuit of release magnet 392 of switch TR causing that switchjto also restore to normal.
  • Branches of this impulsing circuit extend to the upper terminal of relay 126 and to conductor 206, respectively.
  • Relay 121 at armature 141 also closes a short circuit around release relay 122 in order to render the release relay slow to release, so that it will be maintained in oper ated position ⁇ during' the impulsing period; and at armature 140 closes circuit for maintaining the relay 123 energized during pulsing.
  • This circuit extends by way of ground through resistance 167 and armatures 166, 157, and 143, and their contacts, the springs controlled by armature 140, upper winding of relays 123 and 124 in series tobattery.
  • Relay 126 impuls/es upon the-transmission of the first impulse, at armature 161 opens the initial energizing circuit for line relay 121; at armature 162 opens a point in a circuit for the rotary magnet 131, so that the rotary magnet will not operate when the off-normal springs 152 operate and close on the first vertical step of the switch and applies ground to release conductor 115 by Way of armatures 178 and 153; and at armature 163 opens a point in the operating circuit of relay 12-5, and prepares a point in au auxiliary circuitt'or itself.
  • Relay 4126 remains operated during pulsing because it is made slightly slow to fall back when its circuit is opened during the impulsing period because of the current flow through it and relay 122 in series at this time. However, after impulsing has ceased, relay 126' falls back, and at armature 162 closes a circuit for operating the rotary magnet 131 as follows: from ground on release trunk conductor 115, armatures 153, 178, 162, 151 and their resting contacts, off-normal springs 152, resting contact and armature 181, interrupter springs 188 of the rotary magnet 131, and the winding of said maghetto battery.
  • the switch wi pers 190 to 192, inclusive are rotated into engagement with the lirst. set ot bank contacts in the selected level.
  • rotary magnet 131 operates its interrupter springs 188, thereby interrupting its own circuit.
  • the rotary magnet continues to operate in a buzzer-like manner to step the wipers over the bank contacts in the selected level until the test wiper 191 encounters a battery potential. on one of the test contacts.
  • the first idle trunk comprises the conductors 201 to 203, inclusive, extending to the intermediate selector D shown in Fig. 2, then when wiper 191 encounters test contact 198 a circuit may be traced for energizing switching relay 129 as follows: ground by way ot grounded conductor 205, armature 169 and its working contact, upper winding ot switching relay 129, wiper 191, test contact 198, to conductor 202 which has battery supplied through a resistance 228 at selector D.
  • Relay 129 upon energizing, at armature 181'opens its rotary magnetl circuit so as to stop the rotation of wipers 190-192, and closes a locking circuit for itself extending by way ot the grounded conductor 115, its lower winding, its contact and armature 181 and the winding of magnet 131 to battery; and closes a circuit from grounded conductor 205 through the upper winding of marginal relay 128 and through working contact and armature 182 to the battery on wiper 191.
  • Relay 128, being marginal, is not energized over this circuit, because o' the resistance 228.
  • the relay 129 also, at armature 183 opens a point in the vertical magnet circuit and short circuits the upper winding of relay 126; and at its armatures 180 and 184 closes the controlling cir'- cuit of switch D.
  • the formerlyy traced time release circuit is interrupted bythe opening of olif-normal springs 358;.iat4 oli'- normal springs 366 an operating circuit is prepared for the release magnet365, while t theiolinormal springs 367 lthe imp ulsing circuit is-slightly modified so thatfthe subsequent impulses transmitted to the fvertical magnet 370 passthrough the armature and ⁇ working contact of the slow-release relay 369.
  • the slow. release relay ⁇ 369 restores its armature and, in so doing, prepares yan operating circuit for the rotaryfmagnet 3! 8.
  • the switch Sloperates in the same manner as during the Itransmission ot the lirst digit'.
  • the .line relay de'- trol circuit to the selectorrD at the springs controlled by armature 140 ;v andy at armature 141 again completes the circuit of vrelay 126 as before.
  • the impulses transmitted! to 1 the conductor 206 pass over'the 'previouslyf def-i ⁇ scribed path except that now they include the resting contact. and armature of relay 369, slow release relay 375, the armature 377 and its resting contact and the ⁇ winding of: rotary magnet 378 to battery.
  • the wipers 368 and 373 are, therefore, rotated into connection with contacts individual, to the particularV zone being called.
  • the relay 37 which. operates upon the transmissionrof the iirstimpulse tothe rotary magnet 378, at its arma-y ture.
  • the operatingmagnet 385 ofswitch ZES actuates and positions its wipers'387 and 388 upony a set of contacts which determinepthe zone to which the connection has been-extended, if such determination has not been already completed bythek second digit ofl thecalled subscribers number.
  • the wipersgof the zonek register switch ZRS will be connected with contacts marke d X having direct ground potential thereon. causing lzone, recording re- ⁇ lays 302, 310, 315, and 325 to all lie-operated upon the deenergization of relay 375.
  • lThe circuits -for relays 302 and 310 extendl from 4battery through the upper windings ot 302 ⁇ and 310 in series, conductor 344, bankcontacts 351, conductor 361, armature 372r and its resting contact, andthe second lower bank Contact of switch ZRS/to ground.
  • the relays 315 and 325'afre energized over a circuit paralleling the one justtraced connecting lwith direct ground onlthe'second lower bank contacts accessibleito wiper 373.
  • relay 275 operates andatits armature 286 opens the circuitof relay231 anda point in a secondholding circuit for the plunger lineswitch P vof Fig. 2.
  • the connecter H seizes the terminals of the line called, and, irrespective of the busy or idle condition of the line, a relay in the connector actuates to interrupt the loop extending back through the windings of relays 123 and 124.
  • Relay 123 accordingly deenergizes.
  • Relay 210 upon restoring opens the traced holding circuit of switchP, permitting it to restore.
  • the restoration of switch P causes the release of relay 234, as previously described.
  • Relay 234, upon restoring at armature 235 interrupts the holding circuit of all operated relays in Fig. 3.
  • Relay 127 upon restoring, at its armature 168 closes a point in a path for the transmission of busy tone to the calling line, which is completed by the connector if the line called is busy. If the busy tone is received the callin subscriber replaces his receiver, thereby bringing about the release of the connection.
  • Relay 123 upon energizing, at armature 150 now completes anenergizing circuit for the slow release relay 125, by way of armature 170 and its resting contact, the resting Contact and armature 163, the Winding of 125, the resting contact and armature 17 5, and ott-normal springs 148 to battery, through the winding of magnet 19. Magnet 19 does not energize over this cir-r cuit due to the comparatively high resistance of 125.
  • Relay 125 upon operating, at armature 157 opens a point in the holding circuit of relay 123; at armature 158 completes a, locking circuit for itself; at armature 159 prepares a locking circuit for relay 126; and at its armature 156 disconnects ground from conductor 208 and instead connects this conductor to meter conductor 116.
  • Talking battery is now supplied to the calling subscriber through relays 121 and 124, and to the called subscriber through relays 123 and 124.V Since the meter control apparatus has been disassociated from the connection no metering operation can take place.
  • the wipers 368 and 373 of the zone register switch ZRS will be positioned on their upper second, the upper ninth or lower tenth bank contacts, depending upon whether the zone is determined by two or three digits.
  • relays 302 and 310 a circuit including relays 302 and 310 is completed.k
  • This circuit extends from battery through the windings of relays 302 and 310 in series, conductor 344, bank contacts 351, conductor 361, armature 372, conductor 382, wiper-368, the associated upper ninth bank contact, for example, conductor 389, wiper 388 and its third bank contact to ground through resistance 383. Owing to the marginal characteristic of relay 310 this relay is not operated at this time.
  • Relay 302 upon operating, at its armature 304 completes a holding circuit through its lower winding;r at its armature 305 modifies the controlling circuit for the relay 277, which will be traced subsequently; at its armatures 306,-307, and 308 andtheir working contacts, closes points in the circuits extending from wipers 337, 251', 262, and 268, respectively, of the start pulse switch; and at armature 303 completes an operating circuit for relay 280.
  • the relay 280 upon operating, at its armature 282, interrupts the formerly traced holding circuit through winding 350 of switch P', permitting that switch to restore. As ai result of the restoration of the switch P the switch mechanism accessible thereto is restored to normal in the manner formerly described.
  • the relay 280 also, at its armature 283 and its working contact substitutes its upper winding for that of relay 347 to prevent relay 126 operating in series with the relay 122.
  • a relay in the connector actuates to interrupt the loop circuit extending back through the windings of relays 123 and 124.
  • Relay 123 accordingly deenergizes and at its armature 15() opens the locking circuit of relay 127, and the energizing circuit of relay 210.
  • These relays accordingly deenergize, as in the case of a call to a free line.
  • the relay 210 upon restoring, at its armature 211 again connects conductor 217 vwith conductor 208, to prepare the meter circuit at this point; and disconnects its grounded armature from the holding circuit of switch P.
  • a relay in the connector H actuates to again complete the loop circuit through relays 123 and 124.
  • Relay 123 therefore, again energizes and completes the formerly traced circuit of relay 125.
  • the relay 125 in addition to'causing the previously described circuit changes, now causes the connected meter control equipment to be set into Operation, by actuation of its-armature 156.
  • the Wiper 281i continue'sto periodically step when it arrives at the'banlrcontzmt ground s is applied overthe Wiper298, armature 290 and its Working contact, throughthe-springs controlled by'armature 289, tothe Windingof relay 295and battery: ⁇ Thisrelay'therenpon operates, at its armature 289compl ⁇ etes a locke;
  • Wiper 112 armature 108 and its Working contact, to the Winding of the meter M. and ground, thereby actuating the meterte charge for the first time period.
  • This relay accordingly operates and at its armature 270 and its Working contact transmits battery ⁇ through the resistance' 100, by Way kof the yover the calling line to apprise lthe calling,V
  • Relay 126 upon operating, at arniatme- 161 opens ay second point in the circuit of relay 121, at armature 162 connects ground, by way ot armatures 178 and 153, to the release trunk 115 to maintain the switch LS operated during the meterin r operation; and at armature 163 completes a locking circuit for itsel'l independent or relay 122.
  • This circuit extends trom armature 158, through armature 163 and its worlr-k ing contact, armature 159, and the springs controlled rby arn'iaturc 141.
  • he relay 243 therefore, now operates, at its armature 24S reconnects ground potential over 219, 224, and 205 to prevent the deenergization oit relays 125 and 126; at armature 244 prepares an operating circuit for relay 277, which is in,- dependent of armatures 254; at arm ature 24o prepares an operating circuit for relay 251;
  • Relay 256 upon restoring, at its armature 261 again prepares another operating circuit for the motor magnet 329 oit switch TL; at armature 259 opens a point in an automatic release control circuit, which will be described later; at armature 253 opens a second point in the circuit of release magnet 330; and at armature 257 completes operating circuits for r le circuit for relay 260 extends direct from the resting contact of armature 257, while that of relay 251 extends by way ol armatures H57, 2l 5, and 273.
  • the operation ot relay 26 is without effect at this time, since the circuits controlled by its armatures are already open at armatures 59 and 247.
  • the relay 25 upon operating, at its armature 266 conniletes an operating circuit for motor magnet 329 ot switch TL by way ot' armature 261 and conductor 334 causing ⁇ it to advance its wipersy into engagement with their first contacts; and at armature 265 completes an operating circuit for relay 269.
  • Relay269 upon operating, at armature 270 connects battery through resistance 100, and over the pre vious'ly traced circuit to meter M, causing the meter to again actuate; and at armature 273 interrupts the circuit ot relay 251.
  • Relay 251 thereupon restores and again opens the circuit of relay 269. Obviously it nothing happens to prevent it, these relays: will continue to operate alternately.
  • the relay 27 7 upon operating, at its armature 279 removes ground from the holding circuit of relays 234,v 243, 126 and 125; at lits armature 27 8'locks up from ground on conductor 320; and at armature 287 interrupts the series circuit including relay 231V and the holding winding 227 of switch P.
  • the switch P upon restoring, at springs 213 completes the circuit of release magnet 19 of the selector repeater SR causing that switch to restore. This circuit extends from the grounded resting contact and armature 156, conductor 208, springs 213, conductor 209, armatures 144, 149, and 175 and olf-normal springs 148 to the release magnet and battery.
  • relay 269 will actnate five times before being cut 01Tl by the energization of relay 277 which now has its circuit completed through the fifth bank contact of switch TL, working contact and armature 318, resting contact and armature 313 and the working contact and armature 305.
  • the instant invention is designed for luse infatelephone systemsuchas disclosed in the co-pending Wicks .applica-v tion, Serial No. 297,611, namelyd August, 1928;
  • the selector repeater SR like the one ydisyelosedfinfthe foregoing application, ⁇ may be released ,by a toll operator when such operatorl desires to complete a toll call to either station A or A. f ,Y
  • armature 154 closes an'energizing circuit for relay 128; at armature 153 opens a point inthe circuit to the rotary magnet; 131, ⁇ and closes an energizingr circuit Jfor the release magnet 19 from the grounded release trunk conductor 115', thereby causing the lfirst selector repeater SR to release; Re-
  • the lineswitch of station A (not shown) is vprevented from being released bytherelease of the connection withfline Aby ground po ⁇ tential supplied toit by the connector .ofthe toll switchV train.
  • i M l If the operator wishes to setup a toll con-y nection to station A, instead of A, shecauses the line normals 101, 102and 118 to be seized bythe connector of the toll switch train.
  • y causes ground potential to be vapplied to the calledfline normals. Ground potential appliednto conductor 118 prevents the release .0f line switch LS upon the deenergization of relay 122.
  • kLine relay 121- uplon deenergiz'ing, vat arma- :turei141opens the circuitfofthe release relay 122. .Relay 124, upon rvdeenergizing, at arma-A 2..
  • a telephone system a. calling line equippedwith a meter, a called line, a train of automatic switches for completing a conynectionQbetweensaid lines, a circuit for op-y erating said Ineter,-and. means.y operated upon v theresponse of the called ⁇ subscriber to ,pre ⁇ Apare saidcircuit andl toV cause ⁇ said ⁇ meter'to be periodically operatedduring the. existence .oiga vtalking connectionand for also causimgg;y
  • a meter for the callingline means including aseries of'subscriber controlled automatic switches for establishing a connection between said lines, zone metering equipment normally disassociated from said switches, other control equipment normally disasseciated from Athe said switches and from said zone metering equipment,-means responsive to the seizure of one of said switches for associating said zone meteringr equipment therewith, and means responsive to such connection to associate said other control equipment with said switch.
  • a calling line a meter for said line, a series of subscriber controlled switches for setting up a talking connection to a called line, zone recording and time and zone metering apparatus, means res onsive to the seizure of the iirst of said switches to connect it with said apparatus, zone register equipment available to said apparatus, and -means responsive to the seizure of' said zone ymetering apparatus for causing the seizure by it of the zone registering apparatus.
  • zone register switches operable consequent to the y operation of certain ot' said first-mentioned switches, relays controlled by said Zone register switches in a manner characteristic of the zone called, and means responsive to the operation of any one ofsairl relays for causing the disassociation of thezone register Aswitches therefrom.
  • a'telephone system calling and called lines, subscriber controlled switches for setting up connections between said lines, zone register switches operable consequent to 'the' operation ofcertain ofy said first-mentioned switches, relays controlled by said zone register switches in a manner characteristic of the zone called, means responsive to the operation of any one oi said relays for causingthe disassociationof the zone register switches therefrom, and other'apparatus subsequently controlled to charge for the connection at a 'rate' dependent on whichof said relays are operated.
  • yIn ameasured service telephone system a calling line in one exchange, lal calledline in Y a second exchange, electro-mechanical means-forestablishing a talking connection between said lines, ⁇ a' meter'for the calling line, means responsiveto the setting up of a connection for determining the mlnimumk number of times the meter of the calling line will be operated at the termination ofthe callfif thecalled subscriber responds, means for then automatically disassociating said determining means fromt the connection, and means for causing the meter to also be oper'- ated periodically such a predetermined number oftimes prior to the termination of the Vcall ffor each set period the connectionis maintained. y 8.
  • a calling and a called line In a measured service telephone system, a calling and a called line, asubscriber controlled switch seizable by the calling line to set upa connection'in the direction'of the called line, an impulsing relay, and means for causing said relay Vto automatically transmit impulses to operater said switch to notify the subscriber that he has failed to operatey it Withina predetermined ltime and that he must therefore replace his receiver and reinitiate thecall.
  • a subscriber controlled switch seizable by the calling line to set up a connection in the direction of the called line, an impulsing relay, means for causing said relay to automatically transmit impulses to operate said switch to notify the subscriberthat he has failed to operate it within a predetermined time and that he must therefore'replace his receiver and reinitiate the call, andmeans for causing said ⁇ relay to transmit impulses to charge for the connection in case the same is completed and the called party responds.
  • a switch In a telephone system, a switch, a calling line having means associated therewith,
  • a callingand a called line, a Ameter associated with the calling line, a series of automatic switches included in an established connection between said lines, meter control equipment associated with the connection,'means for causing said meter control equipment to operate the calling line meter prior to the termination of the connection, meansy responsive to the termination :of the connection by replacement of the receiver at the calling station for causing the meter control equipment toalso 'actuate the meter and the connection to be released and means in one of said switches, *alternativelyl operative repsonsive to the fio 1,810,3so J seizure of one of said lines 'prior to the replacement of the receiver atthe calling station, co-release the connection and prevent further operation of said meter.
  • a calling line', a called line, a meter Jfor the calling line, zone and lapse time meter ycontrol equipment means for causing said equipment to function and cause the operation yoi'.: p said meter a number of times at the expiraf tion of each dehnite time intervalo the talko meter for said line,7a series'oit automaticVr ing connection, and means tor automatically interrupting vthe vtalking connection at the expiration of a certain time interval, simultaneously stopping the lapse time metering operation, operating the meter a number of Vtimes dependent on the zone ⁇ called and for then releasing ⁇ the meter control equipment and the connection.
  • switches available tosaid line for ⁇ use in eX- tending connections to called lines a meter associated with the calling line, equipmentL commonv to said switches for controlling the meter after a connection is set up, and means responsive to lthe seizure of one vof said switches :tork automatically associating the seized switch with said control equipment.
  • a calling line equipped with a meter, switches available to said line for extending connections to called lines, a plurality of meter actuating means common vto said switches,.means responsive i to the seizure of one of said switches for automatically kassociating the seizedswitch with, ⁇ one of said meter actuating means, a plurality Vot other means common to said lswitches and to said meter actuatingmeans for setting the seized -meter actuating means in accordance Vwith the ydestination of 'the v-call, andV means automatically operated consequent to the seizure of one of said meter actuating,

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Signal Processing (AREA)
  • Meter Arrangements (AREA)
  • Relay Circuits (AREA)
US367996A 1929-06-03 1929-06-03 Zone metering system Expired - Lifetime US1810330A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BE370794D BE370794A (is") 1929-06-03
US367996A US1810330A (en) 1929-06-03 1929-06-03 Zone metering system
GB15549/30A GB354858A (en) 1929-06-03 1930-05-20 Improvements in or relating to telephone systems
FR696558D FR696558A (fr) 1929-06-03 1930-05-30 Perfectionnements aux systèmes téléphoniques
US549378A US1850330A (en) 1929-06-03 1931-07-08 Hot metal mixer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US367996A US1810330A (en) 1929-06-03 1929-06-03 Zone metering system

Publications (1)

Publication Number Publication Date
US1810330A true US1810330A (en) 1931-06-16

Family

ID=23449451

Family Applications (1)

Application Number Title Priority Date Filing Date
US367996A Expired - Lifetime US1810330A (en) 1929-06-03 1929-06-03 Zone metering system

Country Status (4)

Country Link
US (1) US1810330A (is")
BE (1) BE370794A (is")
FR (1) FR696558A (is")
GB (1) GB354858A (is")

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2603712A (en) * 1940-08-26 1952-07-15 Automatic Elect Lab Party line identification in automatic telephony
US2682576A (en) * 1951-01-20 1954-06-29 Irving H Selden Telephone system
US2763724A (en) * 1946-10-11 1956-09-18 Automatic Elect Lab Telephone systems

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2603712A (en) * 1940-08-26 1952-07-15 Automatic Elect Lab Party line identification in automatic telephony
US2763724A (en) * 1946-10-11 1956-09-18 Automatic Elect Lab Telephone systems
US2682576A (en) * 1951-01-20 1954-06-29 Irving H Selden Telephone system

Also Published As

Publication number Publication date
GB354858A (en) 1931-08-20
FR696558A (fr) 1931-01-05
BE370794A (is")

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