ES492948A0 - Perfeccionamientos en sistemas de comunicacion con plurali- dad de estaciones que tienen capacidad de senalizacion de digitos de mf - Google Patents

Perfeccionamientos en sistemas de comunicacion con plurali- dad de estaciones que tienen capacidad de senalizacion de digitos de mf

Info

Publication number
ES492948A0
ES492948A0 ES492948A ES492948A ES492948A0 ES 492948 A0 ES492948 A0 ES 492948A0 ES 492948 A ES492948 A ES 492948A ES 492948 A ES492948 A ES 492948A ES 492948 A0 ES492948 A0 ES 492948A0
Authority
ES
Spain
Prior art keywords
communication systems
multiple stations
digital signaling
signaling capacity
capacity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
ES492948A
Other languages
English (en)
Other versions
ES8103529A1 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of ES8103529A1 publication Critical patent/ES8103529A1/es
Publication of ES492948A0 publication Critical patent/ES492948A0/es
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/50—Conversion between different kinds of signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Facsimile Transmission Control (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
ES492948A 1979-07-02 1980-06-30 Perfeccionamientos en sistemas de comunicacion con plurali- dad de estaciones que tienen capacidad de senalizacion de digitos de mf Granted ES492948A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/053,780 US4311878A (en) 1979-07-02 1979-07-02 Dialing interval transmission gating arrangement

Publications (2)

Publication Number Publication Date
ES8103529A1 ES8103529A1 (es) 1981-02-16
ES492948A0 true ES492948A0 (es) 1981-02-16

Family

ID=21986484

Family Applications (1)

Application Number Title Priority Date Filing Date
ES492948A Granted ES492948A0 (es) 1979-07-02 1980-06-30 Perfeccionamientos en sistemas de comunicacion con plurali- dad de estaciones que tienen capacidad de senalizacion de digitos de mf

Country Status (9)

Country Link
US (1) US4311878A (es)
EP (1) EP0031369B1 (es)
JP (1) JPS56500792A (es)
BE (1) BE884105A (es)
CA (1) CA1147074A (es)
DE (1) DE3070150D1 (es)
ES (1) ES492948A0 (es)
IT (1) IT1149990B (es)
WO (1) WO1981000183A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0353739B1 (en) * 1988-08-03 1995-11-08 Matsushita Electric Industrial Co., Ltd. Telephone-call distributor
US5550813A (en) * 1994-08-31 1996-08-27 Lucent Technologies Inc. Cellular base station transmit-receive system
US5729112A (en) * 1996-07-26 1998-03-17 Dana Corporation Phase current sensing in a bifilar-wound switched reluctance motor drive topology

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3350509A (en) * 1964-12-10 1967-10-31 Bell Telephone Labor Inc Time division tone signaling system
US3484558A (en) * 1966-12-30 1969-12-16 Bell Telephone Labor Inc Pulse corrector circuit for single frequency signaling system
US3562439A (en) * 1968-06-24 1971-02-09 Electronic Communications Telephone inband signalling system
US3821484A (en) * 1971-03-15 1974-06-28 North Electric Co Time sharing of a supervisory receiver unit
US3818144A (en) * 1972-04-12 1974-06-18 Stromberg Carlson Corp Multifrequency to dial pulse signal converter
US3835259A (en) * 1973-03-22 1974-09-10 Bell Telephone Labor Inc Time division conference hybrid circuit
US3959598A (en) * 1974-04-15 1976-05-25 Tel-Tone Corporation Identification forwarding circuit for use with tone-to-pulse converters
US3983332A (en) * 1974-06-03 1976-09-28 International Business Machines Corporation Conference call circuitry for TDM signal exchange
US3991279A (en) * 1975-05-23 1976-11-09 Bell Telephone Laboratories, Incorporated Monobus interface circuit
US4007339A (en) * 1975-11-28 1977-02-08 Bell Telephone Laboratories, Incorporated Arrangement serving operator assistance calls requiring routing back to originating offices
US4113989A (en) * 1977-03-01 1978-09-12 Siemens Aktiengesellschaft Electronic telephone system featuring switching networks having thyristors for single-wire switching
US4150259A (en) * 1977-10-31 1979-04-17 Bell Telephone Laboratories, Incorporated Communication system conferencing arrangement
FR2419624A1 (fr) * 1978-03-08 1979-10-05 Roche Bernard Poste telephonique a clavier a commutation automatique des codes de numerotation a impulsions et a multifrequence

Also Published As

Publication number Publication date
US4311878A (en) 1982-01-19
WO1981000183A1 (en) 1981-01-22
IT1149990B (it) 1986-12-10
EP0031369A1 (en) 1981-07-08
ES8103529A1 (es) 1981-02-16
CA1147074A (en) 1983-05-24
JPS56500792A (es) 1981-06-11
IT8023149A0 (it) 1980-06-30
DE3070150D1 (en) 1985-03-28
EP0031369A4 (en) 1981-10-13
BE884105A (fr) 1980-11-03
IT8023149A1 (it) 1981-12-30
EP0031369B1 (en) 1985-02-13

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20010217