PT86916A - Sistema de circuitos para os circuitos de ligacao de assinante de uma estacao de comutacao de telecomunicacoes digital multiplex por divisao do tempo - Google Patents

Sistema de circuitos para os circuitos de ligacao de assinante de uma estacao de comutacao de telecomunicacoes digital multiplex por divisao do tempo

Info

Publication number
PT86916A
PT86916A PT86916A PT8691688A PT86916A PT 86916 A PT86916 A PT 86916A PT 86916 A PT86916 A PT 86916A PT 8691688 A PT8691688 A PT 8691688A PT 86916 A PT86916 A PT 86916A
Authority
PT
Portugal
Prior art keywords
ligacation
subscriber
division
circuits
time
Prior art date
Application number
PT86916A
Other languages
English (en)
Other versions
PT86916B (pt
Inventor
Robert Lechner
Norbet Wingerath
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of PT86916A publication Critical patent/PT86916A/pt
Publication of PT86916B publication Critical patent/PT86916B/pt

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
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines
PT86916A 1987-03-09 1988-03-08 Sistema de circuitos para os circuitos de ligacao de assinante de uma estacao de comutacao de telecomunicacoes digital multiplex por divisao do tempo PT86916B (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3707500 1987-03-09
DE3711030 1987-04-02

Publications (2)

Publication Number Publication Date
PT86916A true PT86916A (pt) 1989-03-30
PT86916B PT86916B (pt) 1995-03-31

Family

ID=25853264

Family Applications (1)

Application Number Title Priority Date Filing Date
PT86916A PT86916B (pt) 1987-03-09 1988-03-08 Sistema de circuitos para os circuitos de ligacao de assinante de uma estacao de comutacao de telecomunicacoes digital multiplex por divisao do tempo

Country Status (9)

Country Link
US (1) US4905227A (pt)
EP (1) EP0281888B1 (pt)
JP (1) JPH0693796B2 (pt)
BR (1) BR8801017A (pt)
DE (1) DE3875139D1 (pt)
DK (1) DK123588A (pt)
FI (1) FI881072A (pt)
GR (1) GR3006696T3 (pt)
PT (1) PT86916B (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0779344B2 (ja) * 1988-05-13 1995-08-23 山武ハネウエル株式会社 半２重通信路ドライバ制御方法
JPH0695677B2 (ja) * 1988-11-16 1994-11-24 株式会社日立製作所 複数チヤネルを有するネツトワークの伝送方式
WO1992021191A1 (en) * 1991-05-24 1992-11-26 Digital Equipment Corporation Self-configuring data communication system and method
IT1252125B (it) * 1991-10-23 1995-06-05 Sgs Thomson Microelectronics Metodo e dispositivo circuitale per misurare in condizioni di esercizio parametri operativi di un circuito di interfaccia e di una linea telefonica d'utente ad esse collegata
SE515342C2 (sv) * 1994-04-29 2001-07-16 Ericsson Telefon Ab L M Digitalt tidsväljarsystem
US8591856B2 (en) * 1998-05-15 2013-11-26 SCIO Diamond Technology Corporation Single crystal diamond electrochemical electrode
US6582513B1 (en) * 1998-05-15 2003-06-24 Apollo Diamond, Inc. System and method for producing synthetic diamond
US6858080B2 (en) * 1998-05-15 2005-02-22 Apollo Diamond, Inc. Tunable CVD diamond structures
AU2001281404B2 (en) 2001-08-08 2008-07-03 Apollo Diamond, Inc. System and method for producing synthetic diamond
US20050181210A1 (en) * 2004-02-13 2005-08-18 Doering Patrick J. Diamond structure separation
CN100423526C (zh) * 2004-03-22 2008-10-01 Ut斯达康通讯有限公司 一种保证本地交换机正常工作的方法
US8150028B2 (en) * 2008-12-17 2012-04-03 Silicon Laboratories, Inc. Circuit device with serial bus isolation

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4541087A (en) * 1983-06-27 1985-09-10 Confertech International, Inc. Digital teleconferencing control device, system and method
US4570258A (en) * 1984-02-13 1986-02-11 Wang Laboratories, Inc. Exchange switch
EP0176788B1 (en) * 1984-09-05 1989-12-13 Hitachi, Ltd. Multiplex communication system
US4631534A (en) * 1984-11-13 1986-12-23 At&T Information Systems Inc. Distributed packet switching system
US4740955A (en) * 1986-10-29 1988-04-26 Tie/Communications, Inc. Communications system having voice and digital data capability and employing a plurality of voice and data buses in main service unit and serial packetized transmission to and from telephones

Also Published As

Publication number Publication date
JPS63234799A (ja) 1988-09-30
FI881072A0 (fi) 1988-03-08
EP0281888A3 (en) 1989-11-02
US4905227A (en) 1990-02-27
DE3875139D1 (de) 1992-11-12
DK123588A (da) 1988-09-10
DK123588D0 (da) 1988-03-08
JPH0693796B2 (ja) 1994-11-16
FI881072A (fi) 1988-09-10
EP0281888B1 (de) 1992-10-07
PT86916B (pt) 1995-03-31
EP0281888A2 (de) 1988-09-14
BR8801017A (pt) 1988-10-11
GR3006696T3 (pt) 1993-06-30

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19940901

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19960331