DE3278065D1 - Digital loop transceiver for interfacing a digital pabx to a digital subscriber set via a subscriber line - Google Patents

Digital loop transceiver for interfacing a digital pabx to a digital subscriber set via a subscriber line

Info

Publication number
DE3278065D1
DE3278065D1 DE8282903416T DE3278065T DE3278065D1 DE 3278065 D1 DE3278065 D1 DE 3278065D1 DE 8282903416 T DE8282903416 T DE 8282903416T DE 3278065 T DE3278065 T DE 3278065T DE 3278065 D1 DE3278065 D1 DE 3278065D1
Authority
DE
Germany
Prior art keywords
digital
interfacing
subscriber
pabx
set via
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.)
Expired
Application number
DE8282903416T
Other languages
English (en)
Inventor
Henry Wurzburg
Stephen Harlow Kelley
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of DE3278065D1 publication Critical patent/DE3278065D1/de
Expired 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
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
DE8282903416T 1981-12-24 1982-10-04 Digital loop transceiver for interfacing a digital pabx to a digital subscriber set via a subscriber line Expired DE3278065D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/334,412 US4432089A (en) 1981-12-24 1981-12-24 Digital loop transceiver for interfacing a digital PABX to a digital subscriber set via a subscriber line
PCT/US1982/001435 WO1983002379A1 (en) 1981-12-24 1982-10-04 Digital loop transceiver for interfacing a digital pabx to a digital subscriber set via a subscriber line

Publications (1)

Publication Number Publication Date
DE3278065D1 true DE3278065D1 (en) 1988-03-03

Family

ID=23307090

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282903416T Expired DE3278065D1 (en) 1981-12-24 1982-10-04 Digital loop transceiver for interfacing a digital pabx to a digital subscriber set via a subscriber line

Country Status (7)

Country Link
US (1) US4432089A (de)
EP (1) EP0097166B1 (de)
JP (1) JPS59500037A (de)
CA (1) CA1187969A (de)
DE (1) DE3278065D1 (de)
HK (1) HK65290A (de)
WO (1) WO1983002379A1 (de)

Families Citing this family (39)

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Publication number Priority date Publication date Assignee Title
EP0103324A3 (de) * 1982-09-10 1984-07-18 Motorola, Inc. Schaltung zur gleichzeitigen Übertragung von Sprache und Daten die einen digitalen Sender/Empfänger in der Teilnehmerleitung aufweist
US4510596A (en) * 1982-10-12 1985-04-09 At&T Bell Labs Time slot assignment facilities
US4535453A (en) * 1982-12-27 1985-08-13 Siemens Corporate Research & Support, Inc. Signaling input/output processing module for a telecommunication system
JPH0667019B2 (ja) * 1983-08-12 1994-08-24 株式会社東芝 交換機制御方式
US4569062A (en) * 1984-06-28 1986-02-04 Dellande Brian W Interface circuit for interfacing between asynchronous data in start/stop format and synchronous data
GB8430003D0 (en) * 1984-11-28 1985-01-09 Plessey Co Plc Subscriber line interface modem
US4646288A (en) * 1985-01-31 1987-02-24 Denro Laboratories, Inc. Multi-line accumulator/multiplexer
JPH0652896B2 (ja) * 1986-03-20 1994-07-06 沖電気工業株式会社 起動制御方式
US4813066A (en) * 1987-07-13 1989-03-14 American Telephone And Telegraph Company, At&T Information Systems Battery feed circuit for a telephone system
NL8800124A (nl) * 1988-01-20 1989-08-16 Philips Nv Werkwijze voor asynchrone duplex-datakommunicatie tussen twee stations betreffende bepaalde via een gemeenschappelijk kommunikatiekanaal te effektueren diensten en station voor het uitvoeren van deze werkwijze.
US5022047A (en) * 1989-08-07 1991-06-04 Omnipoint Data Corporation Spread spectrum correlator
US5016255A (en) * 1989-08-07 1991-05-14 Omnipoint Data Company, Incorporated Asymmetric spread spectrum correlator
US5499265A (en) * 1989-08-07 1996-03-12 Omnipoint Data Company, Incorporated Spread spectrum correlator
JPH05509213A (ja) * 1990-07-23 1993-12-16 オムニポイント・コーポレイション Ｓａｗｃ位相検出方法及び装置
US5081642A (en) * 1990-08-06 1992-01-14 Omnipoint Data Company, Incorporated Reciprocal saw correlator method and apparatus
WO1992007434A1 (en) * 1990-10-23 1992-04-30 Omnipoint Corporation Method and apparatus for establishing spread spectrum communications
US5283827A (en) * 1990-11-19 1994-02-01 Ag Communication Systems Corporation Digital line card for interfacing a remotely located digital telephone to a central office system
US5402413A (en) * 1991-04-08 1995-03-28 Omnipoint Corporation Three-cell wireless communication system
US5790587A (en) * 1991-05-13 1998-08-04 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5796772A (en) * 1991-05-13 1998-08-18 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5887020A (en) * 1991-05-13 1999-03-23 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5815525A (en) * 1991-05-13 1998-09-29 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
US5694414A (en) * 1991-05-13 1997-12-02 Omnipoint Corporation Multi-band, multi-mode spread-spectrum communication system
WO1992021195A1 (en) * 1991-05-13 1992-11-26 Omnipoint Corporation Dual mode transmitter and receiver
US5285469A (en) * 1991-06-03 1994-02-08 Omnipoint Data Corporation Spread spectrum wireless telephone system
JP3766434B2 (ja) * 1991-12-16 2006-04-12 ザーカム ワイヤレス， インコーポレイテッド スペクトル拡散データ送信システム
US5355389A (en) * 1993-01-13 1994-10-11 Omnipoint Corporation Reciprocal mode saw correlator method and apparatus
US6005856A (en) * 1993-11-01 1999-12-21 Omnipoint Corporation Communication protocol for spread spectrum wireless communication system
US6094575A (en) * 1993-11-01 2000-07-25 Omnipoint Corporation Communication system and method
US6088590A (en) * 1993-11-01 2000-07-11 Omnipoint Corporation Method and system for mobile controlled handoff and link maintenance in spread spectrum communication
US5689502A (en) * 1995-06-05 1997-11-18 Omnipoint Corporation Efficient frequency division duplex communication system with interleaved format and timing adjustment control
US5745484A (en) * 1995-06-05 1998-04-28 Omnipoint Corporation Efficient communication system using time division multiplexing and timing adjustment control
US6356607B1 (en) 1995-06-05 2002-03-12 Omnipoint Corporation Preamble code structure and detection method and apparatus
US5959980A (en) * 1995-06-05 1999-09-28 Omnipoint Corporation Timing adjustment control for efficient time division duplex communication
US5802046A (en) * 1995-06-05 1998-09-01 Omnipoint Corporation Efficient time division duplex communication system with interleaved format and timing adjustment control
US6041046A (en) * 1995-07-14 2000-03-21 Omnipoint Corporation Cyclic time hopping in time division multiple access communication system
US6141373A (en) 1996-11-15 2000-10-31 Omnipoint Corporation Preamble code structure and detection method and apparatus
US6947469B2 (en) 1999-05-07 2005-09-20 Intel Corporation Method and Apparatus for wireless spread spectrum communication with preamble processing period
JP3821740B2 (ja) * 2002-03-22 2006-09-13 Ｎｅｃインフロンティア株式会社 音声データ送受信装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE332201B (de) * 1969-07-02 1971-02-01 Ericsson Telefon Ab L M
US3924077A (en) * 1973-07-05 1975-12-02 Thomas R Blakeslee Pulse code modulation time division multiplex telephone system
GB1479009A (en) * 1974-07-12 1977-07-06 Sarma B Telecommunication switching system
DE2643687C2 (de) * 1976-09-28 1983-09-29 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur Übertragung von Digital-Signalen zwischen Teilnehmerstellen eines Zeitmultiplex-Fernmeldenetzes, insbesondere PCM-Zeitmultiplex- Fernmeldenetzes
DE2819119C3 (de) * 1978-04-29 1980-10-30 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung für zeitmultiplex digital durchschaltende Fernmelde-, insbesondere Fernsprechvermittlungsanlagen
CA1123102A (en) * 1979-07-27 1982-05-04 Harold H. Harris Line interface unit for voice and wide band signal coupling
DE3010702C2 (de) * 1980-03-20 1982-11-04 Standard Elektrik Lorenz Ag, 7000 Stuttgart Digitales Nachrichtenübermittlungssystem
US4450556A (en) * 1980-10-17 1984-05-22 Northern Telecom Limited Digital signal subscriber loop and interface circuit

Also Published As

Publication number Publication date
JPS59500037A (ja) 1984-01-05
EP0097166B1 (de) 1988-01-27
WO1983002379A1 (en) 1983-07-07
EP0097166A1 (de) 1984-01-04
HK65290A (en) 1990-08-31
EP0097166A4 (de) 1984-05-29
CA1187969A (en) 1985-05-28
US4432089A (en) 1984-02-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee