BR8402764A - Equipamento e metodo de comutacao x.21. - Google Patents

Equipamento e metodo de comutacao x.21.

Info

Publication number
BR8402764A
BR8402764A BR8402764A BR8402764A BR8402764A BR 8402764 A BR8402764 A BR 8402764A BR 8402764 A BR8402764 A BR 8402764A BR 8402764 A BR8402764 A BR 8402764A BR 8402764 A BR8402764 A BR 8402764A
Authority
BR
Brazil
Prior art keywords
switching equipment
switching
equipment
Prior art date
Application number
BR8402764A
Other languages
English (en)
Inventor
Joseph Marburg Bensadon
Norman Frederick Brickman
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of BR8402764A publication Critical patent/BR8402764A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • H04B7/212—Time-division multiple access [TDMA]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Radio Relay Systems (AREA)
  • Communication Control (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
BR8402764A 1983-06-27 1984-06-07 Equipamento e metodo de comutacao x.21. BR8402764A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/508,312 US4551835A (en) 1983-06-27 1983-06-27 X.21 Switching system

Publications (1)

Publication Number Publication Date
BR8402764A true BR8402764A (pt) 1985-05-14

Family

ID=24022240

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8402764A BR8402764A (pt) 1983-06-27 1984-06-07 Equipamento e metodo de comutacao x.21.

Country Status (6)

Country Link
US (1) US4551835A (pt)
EP (1) EP0129722B1 (pt)
JP (1) JPS6010835A (pt)
BR (1) BR8402764A (pt)
CA (1) CA1220832A (pt)
DE (1) DE3462648D1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2650717B1 (fr) * 1989-08-02 1991-10-04 Alcatel Business Systems Transmetteur numerique synchrone

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL111844C (pt) * 1959-10-20
DE1287643B (pt) * 1966-09-17 1969-01-23
US3470542A (en) * 1967-03-17 1969-09-30 Wang Laboratories Modular system design
US3922493A (en) * 1971-02-01 1975-11-25 Gen Electric Communication system using time-division multiplexing and pulse-code modulation
US3772475A (en) * 1972-08-28 1973-11-13 Communications Satellite Corp Satellite communications system with super frame format and frame segmented signalling
US3815095A (en) * 1972-08-29 1974-06-04 Texas Instruments Inc General-purpose array processor
US3938098A (en) * 1973-12-26 1976-02-10 Xerox Corporation Input/output connection arrangement for microprogrammable computer
US4047157A (en) * 1974-02-01 1977-09-06 Digital Equipment Corporation Secondary storage facility for data processing
US3936609A (en) * 1974-02-14 1976-02-03 Gte Automatic Electric Laboratories Incorporated Submultiplex transmission of alarm status signals for a time division multiplex system
FR2283605A1 (fr) * 1974-08-30 1976-03-26 Duquesne Jean Unite de brassage pour voies numeriques
US3909540A (en) * 1974-09-03 1975-09-30 Itt Data and signaling multiplexing in PCM systems via the framing code
US3995120A (en) * 1975-05-30 1976-11-30 Gte Automatic Electric Laboratories Incorporated Digital time-division multiplexing system
US3995119A (en) * 1975-05-30 1976-11-30 Gte Automatic Electric Laboratories Incorporated Digital time-division multiplexing system
US4075691A (en) * 1975-11-06 1978-02-21 Bunker Ramo Corporation Communication control unit
US4068104A (en) * 1976-05-14 1978-01-10 Digital Communications Corporation Interface for in band SCPC supervisory and signalling system
FR2367399A1 (fr) * 1976-10-05 1978-05-05 Materiel Telephonique Central telephonique a commutation temporelle comportant un dispositif d'emission de signaux de service
GB1595301A (en) * 1976-12-10 1981-08-12 Plessey Canada Electronic telephone system
US4128883A (en) * 1977-09-30 1978-12-05 Ncr Corporation Shared busy means in a common bus environment
US4268722A (en) * 1978-02-13 1981-05-19 Motorola, Inc. Radiotelephone communications system
DE2819119C3 (de) * 1978-04-29 1980-10-30 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung für zeitmultiplex digital durchschaltende Fernmelde-, insbesondere Fernsprechvermittlungsanlagen
US4252999A (en) * 1978-10-04 1981-02-24 Bell Telephone Laboratories, Incorporated Signaling and ranging technique for a TDMA satellite communication system
US4271509A (en) * 1979-07-13 1981-06-02 Bell Telephone Laboratories, Incorporated Supervisory signaling for digital channel banks
US4330857A (en) * 1980-02-29 1982-05-18 Ibm Corporation Dynamically variable priority, variable position channels in a TDMA burst
US4332026A (en) * 1980-03-07 1982-05-25 Ibm Corporation Multiple data rate digital switch for a TDMA communications controller
EP0035231B1 (en) * 1980-02-29 1985-08-07 International Business Machines Corporation Tdma satellite communications system
US4307461A (en) * 1980-03-25 1981-12-22 Ibm Corporation Call processor for a satellite communications controller
US4434486A (en) * 1981-10-26 1984-02-28 Ibm Corporation Self-switched data port in-band signaling protocol

Also Published As

Publication number Publication date
DE3462648D1 (en) 1987-04-16
CA1220832A (en) 1987-04-21
EP0129722A1 (en) 1985-01-02
EP0129722B1 (en) 1987-03-11
JPS6010835A (ja) 1985-01-21
US4551835A (en) 1985-11-05

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Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)