JPS6447200A - Digital key telephone system - Google Patents

Digital key telephone system

Info

Publication number
JPS6447200A
JPS6447200A JP62203552A JP20355287A JPS6447200A JP S6447200 A JPS6447200 A JP S6447200A JP 62203552 A JP62203552 A JP 62203552A JP 20355287 A JP20355287 A JP 20355287A JP S6447200 A JPS6447200 A JP S6447200A
Authority
JP
Japan
Prior art keywords
time slot
highway
codics
channel
miniaturization
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.)
Pending
Application number
JP62203552A
Other languages
English (en)
Inventor
Hiroshi Mano
Masayuki Tsurusaki
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP62203552A priority Critical patent/JPS6447200A/ja
Publication of JPS6447200A publication Critical patent/JPS6447200A/ja
Priority to US07/490,508 priority patent/US5040172A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
    • H04L5/1484—Two-way operation using the same type of signal, i.e. duplex using time-sharing operating bytewise

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
JP62203552A 1987-08-18 1987-08-18 Digital key telephone system Pending JPS6447200A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP62203552A JPS6447200A (en) 1987-08-18 1987-08-18 Digital key telephone system
US07/490,508 US5040172A (en) 1987-08-18 1990-03-01 Communication method utilizing channel highway and digital communication apparatus for realizing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62203552A JPS6447200A (en) 1987-08-18 1987-08-18 Digital key telephone system

Publications (1)

Publication Number Publication Date
JPS6447200A true JPS6447200A (en) 1989-02-21

Family

ID=16476026

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62203552A Pending JPS6447200A (en) 1987-08-18 1987-08-18 Digital key telephone system

Country Status (2)

Country Link
US (1) US5040172A (ja)
JP (1) JPS6447200A (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5392287A (en) * 1992-03-05 1995-02-21 Qualcomm Incorporated Apparatus and method for reducing power consumption in a mobile communications receiver
US5563905A (en) * 1992-09-24 1996-10-08 Hughes Aircraft Company Network communication system having time-sliced protocol
KR0165063B1 (ko) * 1995-12-29 1999-02-01 정장호 시분할 다중화 버스에서 통계적 다중화 장치
US6381239B1 (en) 1996-02-13 2002-04-30 Taqua Systems, Inc. Multiple application switching platform and method
US6101173A (en) * 1998-03-16 2000-08-08 Qualcomm Incorporated Adaptive reacquisition time in a slotted paging environment
US6330247B1 (en) * 1999-02-08 2001-12-11 Qualcomm Incorporated Communication protocol between a communication device and an external accessory
US11855800B1 (en) * 2022-09-02 2023-12-26 Renesas Electronics America Inc. One-line synchronous interface

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3959594A (en) * 1974-07-01 1976-05-25 Gte Automatic Electric Laboratories Incorporated Arrangement and method for the localized self-control of randomly allotted time slots to audio ports
GB1530405A (en) * 1975-03-24 1978-11-01 Okura Denki Co Ltd Loop data highway communication system
US4004099A (en) * 1975-10-20 1977-01-18 Rca Corporation Time division multiplex switching system
US4140877A (en) * 1977-04-19 1979-02-20 Tie/Communications, Inc. Muliple highway time division multiplexed PABX communication system
DE2915488C2 (de) * 1979-04-17 1982-05-19 Nixdorf Computer Ag, 4790 Paderborn Schaltungsanordnung zur Steuerung der Übertragung von Digital-Signalen, insbesondere PCM-Signalen, zwischen Anschlußstellen eines Zeitmultiplex-Fernmeldenetzes, insbesondere PCM-Zeitmultiplex-Fernmeldenetzes
GB2125653B (en) * 1982-08-04 1986-08-13 Plessey Co Plc Improved time slot arrangements for local area network systems
DE3230999A1 (de) * 1982-08-20 1984-02-23 Philips Kommunikations Industrie AG, 8500 Nürnberg Verfahren zur zugriffssteuerung bei einem nachrichtensystem
US4630263A (en) * 1983-07-07 1986-12-16 Motorola, Inc. Time-division multiplex communications control system
DE3424866C2 (de) * 1984-07-06 1986-04-30 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Verfahren und Anordnung zur Übertragung von Daten, insbesondere in einem Flugzeug
US4809270A (en) * 1984-12-21 1989-02-28 AT&T Information Systems Inc. American Telephone and Telegraph Company Variable time slot communication system
GB8515347D0 (en) * 1985-06-18 1985-07-17 Plessey Co Plc Telecommunications exchanges
US4791629A (en) * 1986-06-02 1988-12-13 Ibm Corporation Communications switching system

Also Published As

Publication number Publication date
US5040172A (en) 1991-08-13

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