DE3852445T2 - Vorrichtung zur Multiplexierung von Digitalsignalen. - Google Patents

Vorrichtung zur Multiplexierung von Digitalsignalen.

Info

Publication number: DE3852445T2
Authority: DE; Germany
Prior art keywords: digital signals; multiplexing digital; multiplexing; signals; digital
Prior art date: 1987-08-28
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 - Fee Related

Application number

DE3852445T

Other languages

English (en)

Other versions

DE3852445D1 (de

Inventor

Akihiko Takase

Yoshitaka Takasaki

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.)

Hitachi Ltd

Original Assignee

Hitachi Ltd

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.)

1987-08-28

Filing date

1988-08-26

Publication date

1995-05-04

1988-08-26 Application filed by Hitachi Ltd filed Critical Hitachi Ltd

1995-01-26 Application granted granted Critical

1995-01-26 Publication of DE3852445D1 publication Critical patent/DE3852445D1/de

1995-05-04 Publication of DE3852445T2 publication Critical patent/DE3852445T2/de

2008-08-27 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/16—Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
- H04J3/1605—Fixed allocated frame structures
- H04J3/1623—Plesiochronous digital hierarchy [PDH]
- H04J3/1641—Hierarchical systems
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S370/00—Multiplex communications
- Y10S370/916—Multiplexer/demultiplexer

DE3852445T 1987-08-28 1988-08-26 Vorrichtung zur Multiplexierung von Digitalsignalen. Expired - Fee Related DE3852445T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP62212744A JP2604385B2 (ja)	1987-08-28	1987-08-28	ディジタル信号の多重化方法及び装置

Publications (2)

Publication Number	Publication Date
DE3852445D1 DE3852445D1 (de)	1995-01-26
DE3852445T2 true DE3852445T2 (de)	1995-05-04

Family

ID=16627705

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE3852445T Expired - Fee Related DE3852445T2 (de)	1987-08-28	1988-08-26	Vorrichtung zur Multiplexierung von Digitalsignalen.

Country Status (5)

Country	Link
US (1)	US4970719A (de)
EP (1)	EP0304938B1 (de)
JP (1)	JP2604385B2 (de)
CA (1)	CA1292332C (de)
DE (1)	DE3852445T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR910006355B1 (ko) *	1988-08-18	1991-08-21	한국 전기 통신공사	채널 선택 제어신호를 이용한 멀티플렉서 출력의 인에이블/디스에이블 제어장치
JPH02210934A (ja) *	1989-02-09	1990-08-22	Fujitsu Ltd	通信システムの接続処理方式
JP2907886B2 (ja) *	1989-09-14	1999-06-21	株式会社日立製作所	スイッチングシステム
DE69124596T2 (de) *	1991-04-22	1997-08-21	Ibm	Kollisionsfreies Einfügen und Entfernen von durchschaltevermittelten Kanälen in einer paketvermittelnden Übertragungsstruktur
AU2010192A (en)	1991-05-21	1992-12-30	Videotelecom Corp.	A multiple medium message recording system
JPH0530127A (ja) *	1991-06-21	1993-02-05	Fujitsu Ltd	出力信号制御方式
JPH05136758A (ja) *	1991-11-15	1993-06-01	Nec Corp	多重速度変換装置
JPH07327022A (ja) *	1994-06-01	1995-12-12	Nec Corp	回線設定装置
JPH0837514A (ja) *	1994-07-25	1996-02-06	Nec Telecom Syst Ltd	複数階梯型デマンドアサイン多重化装置
JP2768275B2 (ja) *	1994-09-21	1998-06-25	日本電気株式会社	デマンドアサイン多重化装置
US5949769A (en) *	1995-10-10	1999-09-07	Sicom, Inc.	Multirate local multipoint data distribution system
EP0982893B1 (de) *	1998-08-21	2006-02-08	Lucent Technologies Inc.	Vorrichtung zur Phasenanpassung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS55150655A (en) *	1979-05-14	1980-11-22	Nippon Telegr & Teleph Corp <Ntt>	Sound data composite transmission system
JPS5833334A (ja) *	1981-08-21	1983-02-26	Hitachi Ltd	時分割多重化装置
FR2545670B1 (fr) *	1983-05-04	1985-07-05	Billy Jean Claude	Multiplexeur, demultiplexeur et equipement de multiplexage-demultiplexage a trames reconfigurables
US4716561A (en) *	1985-08-26	1987-12-29	American Telephone And Telegraph Company, At&T Bell Laboratories	Digital transmission including add/drop module
FR2587159B1 (fr) *	1985-09-12	1987-11-13	Coatanea Pierre	Equipements de multiplexage et demultiplexage pour liaison numerique synchrone a debit et rapiditite de modulation variables
US4855999A (en) *	1987-11-10	1989-08-08	Bell Communications Research, Inc.	DTDM multiplexer with cross-point switch

1987
- 1987-08-28 JP JP62212744A patent/JP2604385B2/ja not_active Expired - Lifetime
1988
- 1988-08-17 US US07/233,095 patent/US4970719A/en not_active Expired - Lifetime
- 1988-08-26 EP EP88113966A patent/EP0304938B1/de not_active Expired - Lifetime
- 1988-08-26 DE DE3852445T patent/DE3852445T2/de not_active Expired - Fee Related
- 1988-08-26 CA CA000575847A patent/CA1292332C/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
DE3852445D1 (de)	1995-01-26
EP0304938A3 (de)	1991-02-06
US4970719A (en)	1990-11-13
JP2604385B2 (ja)	1997-04-30
JPS6457844A (en)	1989-03-06
EP0304938B1 (de)	1994-12-14
CA1292332C (en)	1991-11-19
EP0304938A2 (de)	1989-03-01

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Legal Events

Date	Code	Title	Description
1996-01-18	8364	No opposition during term of opposition
2002-09-26	8339	Ceased/non-payment of the annual fee