DE3581854D1 - Elektronische speiseschaltung fuer fernsprechsysteme. - Google Patents

Elektronische speiseschaltung fuer fernsprechsysteme.

Info

Publication number: DE3581854D1
Authority: DE; Germany
Prior art keywords: power circuit; electronic power; telephone systems; telephone; systems
Prior art date: 1984-07-27
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

DE8585305114T

Other languages

English (en)

Inventor

Rouben Toumani

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.)

AT&T Corp

Original Assignee

American Telephone and Telegraph Co 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.)

1984-07-27

Filing date

1985-07-18

Publication date

1991-04-04

1985-07-18 Application filed by American Telephone and Telegraph Co Inc filed Critical American Telephone and Telegraph Co Inc

1991-04-04 Application granted granted Critical

1991-04-04 Publication of DE3581854D1 publication Critical patent/DE3581854D1/de

2005-07-19 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
- H04M19/005—Feeding arrangements without the use of line transformers

DE8585305114T 1984-07-27 1985-07-18 Elektronische speiseschaltung fuer fernsprechsysteme. Expired - Fee Related DE3581854D1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/635,209 US4612417A (en)	1984-07-27	1984-07-27	Electronic battery feed circuit for telephone systems

Publications (1)

Publication Number	Publication Date
DE3581854D1 true DE3581854D1 (de)	1991-04-04

Family

ID=24546903

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8585305114T Expired - Fee Related DE3581854D1 (de)	1984-07-27	1985-07-18	Elektronische speiseschaltung fuer fernsprechsysteme.

Country Status (5)

Country	Link
US (1)	US4612417A (de)
EP (1)	EP0169706B1 (de)
JP (1)	JPH0626400B2 (de)
CA (1)	CA1235240A (de)
DE (1)	DE3581854D1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS61154347A (ja) *	1984-12-27	1986-07-14	Fujitsu Ltd	交換機の給電回路
US4866768A (en) *	1985-06-26	1989-09-12	Siemens Corporate Research & Support, Inc.	Station line interface circuit for a telecommunication network
CA1258930A (en) *	1986-12-24	1989-08-29	Reinhard Rosch	Active impedance line feed circuit
US4809324A (en) *	1987-07-27	1989-02-28	Siemens Transmission Systems, Inc.	Subscriber line interface circuit (SLIC) isolation from lighting-induced ground overshoots
JPH088617B2 (ja) *	1988-09-19	1996-01-29	富士通株式会社	電子交換機の給電部における終端回路
JP2881781B2 (ja) *	1988-11-08	1999-04-12	ローム株式会社	Ｉｃ化されたダイヤラ回路
US5050210A (en) *	1989-03-10	1991-09-17	Reliance Comm/Tec Corporation	Metallic current limiter
US5020102A (en) *	1989-08-01	1991-05-28	Rockwell International Corporation	Semi-floating AC/DC active termination circuit with current sink
EP0474172A3 (en) *	1990-09-06	1993-03-03	Teletron Ltd.	Telephone line monitoring apparatus and method
US5329585A (en) *	1992-11-30	1994-07-12	Motorola, Inc.	Subscriber line interface circuit for controlling AC and DC output impedance
JP2899738B2 (ja) *	1993-09-14	1999-06-02	京都岩井防蝕株式会社	腐食防止層構築方法
JPH07322309A (ja) *	1994-05-26	1995-12-08	Nec Corp	２線４線変換回路
US5528688A (en) *	1994-09-28	1996-06-18	At&T Corp.	Telephone battery feed circuit including noise reduction circuit
US5659610A (en) *	1994-09-28	1997-08-19	Lucent Technologies Inc.	Battery feed circuit
US5764007A (en) *	1995-04-20	1998-06-09	Texas Instruments Incorporated	Micro-processor based motor control integrated circuit including a boost regulated DC-to-DC converter
US5854839A (en) *	1996-05-10	1998-12-29	Lucent Technologies Inc.	Dual voltage, self-monitoring line circuit
US6069950A (en) *	1997-11-06	2000-05-30	Lucent Technologies Inc.	Dual-limit current-limiting battery-feed circuit for a digital line
US5854550A (en) *	1997-11-06	1998-12-29	Lucent Technologies Inc.	Transformerless digital-line battery feed circuit
US5898296A (en) *	1998-02-17	1999-04-27	Lucent Technologies Inc.	Isolation regulator
US6690792B1 (en) *	1999-11-19	2004-02-10	Adtran Inc.	Active decoupling and power management circuit for line-powered ringing generator
WO2002021811A2 (en) *	2000-09-06	2002-03-14	Polycom, Inc.	System and method for diagnosing a pots port
FR2835121B1 (fr)	2002-01-24	2004-06-04	Cit Alcatel	Etage differentiel d'entree d'equipement electronique, comportant des moyens pour reduire les perturbations causees par une tension ou un courant en mode commun

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4203009A (en) *	1977-08-17	1980-05-13	The Post Office	Unbalanced/balanced converter circuits
US4292478A (en) *	1979-05-25	1981-09-29	Plessey Canada Limited	Interface circuits
US4315106A (en) *	1979-11-28	1982-02-09	International Telephone And Telegraph Corporation	Apparatus for regulating current supplied to a telephone line signal of the type employed in digital telephone systems
DE3014187C2 (de) *	1980-04-14	1983-11-17	Nixdorf Computer Ag, 4790 Paderborn	Schaltungsanordnung zum zweidrähtigen Anschluß eines Fernsprechteilnehmers an je eine Leitung für angehende und ankommende Signale
US4315207A (en) *	1980-06-20	1982-02-09	Advanced Micro Devices, Inc.	Current controlled battery feed circuit
CA1154185A (en) *	1981-01-23	1983-09-20	Patrick R. Beirne	Subscriber line interface circuit
SE452385B (sv) *	1981-02-17	1987-11-23	Western Electric Co	Batterimatningskrets
US4476350A (en) *	1981-02-17	1984-10-09	Bell Telephone Laboratories, Incorporated	Battery feed circuit
US4388500A (en) *	1981-02-27	1983-06-14	Wescom, Inc.	Electronic hybrid
US4431868A (en) *	1981-07-09	1984-02-14	International Telephone And Telegraph Corporation	Solid state telephone line interface circuit with ringing capability
US4419542A (en) *	1982-05-17	1983-12-06	Bell Telephone Laboratories, Incorporated	Battery feed circuit
FR2527404B1 (fr) *	1982-05-19	1987-10-23	Cit Alcatel	Joncteur d'abonne electronique
US4514595A (en) *	1982-06-10	1985-04-30	Northern Telecom Limited	Active impedance line feed circuit

1984
- 1984-07-27 US US06/635,209 patent/US4612417A/en not_active Expired - Lifetime
1985
- 1985-06-26 CA CA000485321A patent/CA1235240A/en not_active Expired
- 1985-07-18 EP EP85305114A patent/EP0169706B1/de not_active Expired
- 1985-07-18 DE DE8585305114T patent/DE3581854D1/de not_active Expired - Fee Related
- 1985-07-26 JP JP16422985A patent/JPH0626400B2/ja not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0169706A3 (en)	1987-04-08
EP0169706B1 (de)	1991-02-27
JPH0626400B2 (ja)	1994-04-06
JPS6141265A (ja)	1986-02-27
EP0169706A2 (de)	1986-01-29
CA1235240A (en)	1988-04-12
US4612417A (en)	1986-09-16

Legal Events

Date	Code	Title	Description
1992-03-26	8364	No opposition during term of opposition
1995-07-20	8328	Change in the person/name/address of the agent	Free format text: BLUMBACH, KRAMER & PARTNER, 65193 WIESBADEN
2002-09-26	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE3581854D1 (de)	1991-04-04	Elektronische speiseschaltung fuer fernsprechsysteme.
DE3481107D1 (de)	1990-02-22	Elektronische schaltungsanordnung.
DE3870365D1 (de)	1992-05-27	Gehaeuse fuer elektronische schaltung.
DE3778969D1 (de)	1992-06-17	Gehaeuse fuer elektronische ausruestung.
DE3482369D1 (de)	1990-06-28	Stauraum fuer elektronische geraete.
ATE9631T1 (de)	1984-10-15	Anschlussklemme fuer schaltplatten.
DE3674905D1 (de)	1990-11-15	Verkapselungsgehaeuse fuer eine elektronische schaltung.
DE69233297D1 (de)	2004-03-04	Packung für elektronische Schaltung
DE3580871D1 (de)	1991-01-24	Schaltung fuer gemeinsame unterbrechungsniveaus.
DE3763504D1 (de)	1990-08-09	Kuehlungssystem fuer elektronische bauelemente.
DE3684206D1 (de)	1992-04-16	Elektronische umwandlungsschaltung.
IT8441532A0 (it)	1984-02-23	Interruttore di circuito elettronico.
DE3675404D1 (de)	1990-12-13	Bandlueckenvergleichsschaltung fuer cmos-integrierte schaltungen.
DE3677884D1 (de)	1991-04-11	Kuehlungsanordnung fuer elektronische bauelemente.
DE3584040D1 (de)	1991-10-17	Elektronische kopiertafel.
DE3585187D1 (de)	1992-02-27	Elektronische drucktafel.
ES556828A0 (es)	1987-11-01	Un disyuntor electrico.
KR850008034A (ko)	1985-12-11	회로기판 설치장치
DE3776760D1 (de)	1992-03-26	Gegen gewaltsames eindringen geschuetzter behaelter fuer elektronische schaltung.
DE69113347T3 (de)	2001-10-25	Leistungsversorgungsschaltung für elektronische Geräte.
DE3674707D1 (de)	1990-11-08	Schaltungsanordnungen fuer fernsprecher.
DE3577967D1 (de)	1990-06-28	Modul-schaltkreis.
DE3675313D1 (de)	1990-12-06	Elektronische sicherung.
DE3682302D1 (de)	1991-12-12	Einschalt-verzoegerungsschaltkreis fuer eine elektronische frankiermaschine.
DE3678802D1 (de)	1991-05-23	Elektronische bilderzeugung.