FI881072L - Kretsanordning foer abonnentanslutningar i en digital tidsmultiplex telecentral. - Google Patents

Kretsanordning foer abonnentanslutningar i en digital tidsmultiplex telecentral. Download PDF

Info

Publication number
FI881072L
FI881072L FI881072A FI881072A FI881072L FI 881072 L FI881072 L FI 881072L FI 881072 A FI881072 A FI 881072A FI 881072 A FI881072 A FI 881072A FI 881072 L FI881072 L FI 881072L
Authority
FI
Finland
Prior art keywords
tidsmultiplex
telecentral
kretsanordning
abonnentanslutningar
foer
Prior art date
Application number
FI881072A
Other languages
English (en)
Finnish (fi)
Other versions
FI881072A0 (fi
FI881072A7 (fi
Inventor
Robert Lechner
Norbert 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 FI881072A0 publication Critical patent/FI881072A0/fi
Publication of FI881072A7 publication Critical patent/FI881072A7/fi
Publication of FI881072L publication Critical patent/FI881072L/fi

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
FI881072A 1987-03-09 1988-03-08 Kretsanordning foer abonnentanslutningar i en digital tidsmultiplex telecentral. FI881072L (fi)

Applications Claiming Priority (2)

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

Publications (3)

Publication Number Publication Date
FI881072A0 FI881072A0 (fi) 1988-03-08
FI881072A7 FI881072A7 (fi) 1988-09-10
FI881072L true FI881072L (fi) 1988-09-10

Family

ID=25853264

Family Applications (1)

Application Number Title Priority Date Filing Date
FI881072A FI881072L (fi) 1987-03-09 1988-03-08 Kretsanordning foer abonnentanslutningar i en digital tidsmultiplex telecentral.

Country Status (9)

Country Link
US (1) US4905227A (cs)
EP (1) EP0281888B1 (cs)
JP (1) JPH0693796B2 (cs)
BR (1) BR8801017A (cs)
DE (1) DE3875139D1 (cs)
DK (1) DK123588A (cs)
FI (1) FI881072L (cs)
GR (1) GR3006696T3 (cs)
PT (1) PT86916B (cs)

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
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
US8591856B2 (en) * 1998-05-15 2013-11-26 SCIO Diamond Technology Corporation Single crystal diamond electrochemical electrode
JP2004538230A (ja) 2001-08-08 2004-12-24 アポロ ダイアモンド，インコーポレイティド 合成ダイヤモンドを生成するためのシステム及び方法
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
EP0281888A2 (de) 1988-09-14
BR8801017A (pt) 1988-10-11
JPS63234799A (ja) 1988-09-30
DK123588D0 (da) 1988-03-08
PT86916A (pt) 1989-03-30
PT86916B (pt) 1995-03-31
FI881072A0 (fi) 1988-03-08
FI881072A7 (fi) 1988-09-10
DE3875139D1 (de) 1992-11-12
EP0281888B1 (de) 1992-10-07
EP0281888A3 (en) 1989-11-02
US4905227A (en) 1990-02-27
JPH0693796B2 (ja) 1994-11-16
DK123588A (da) 1988-09-10
GR3006696T3 (cs) 1993-06-30

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Legal Events

Date Code Title Description
FD Application lapsed
MM Patent lapsed

Owner name: SIEMENS AKTIENGESELLSCHAFT