NL8006572A - Voedingsinrichting voor een telefoonlijn. - Google Patents

Voedingsinrichting voor een telefoonlijn. Download PDF

Info

Publication number: NL8006572A
Authority: NL; Netherlands
Prior art keywords: line; voltage; output; operational amplifier; input
Prior art date: 1979-12-06

Application number

NL8006572A

Other languages

English (en)

Dutch (nl)

Original Assignee

Standard Telephones Cables 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.)

1979-12-06

Filing date

1980-12-03

Publication date

1981-07-01

1980-12-03 Application filed by Standard Telephones Cables Ltd filed Critical Standard Telephones Cables Ltd

1981-07-01 Publication of NL8006572A publication Critical patent/NL8006572A/nl

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
- H04M19/008—Using DC/DC converters

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Devices For Supply Of Signal Current (AREA)
Interface Circuits In Exchanges (AREA)

NL8006572A 1979-12-06 1980-12-03 Voedingsinrichting voor een telefoonlijn. NL8006572A (nl)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB7942104		1979-12-06
GB7942104A GB2065418B (en)	1979-12-06	1979-12-06	Telephone line feed

Publications (1)

Publication Number	Publication Date
NL8006572A true NL8006572A (nl)	1981-07-01

Family

ID=10509653

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8006572A NL8006572A (nl)	1979-12-06	1980-12-03	Voedingsinrichting voor een telefoonlijn.

Country Status (14)

Country	Link
US (1)	US4431869A (sv)
JP (1)	JPS56100562A (sv)
AU (1)	AU542803B2 (sv)
BE (1)	BE890403R (sv)
DE (1)	DE3043907A1 (sv)
EG (1)	EG14711A (sv)
FR (1)	FR2471709A1 (sv)
GB (1)	GB2065418B (sv)
IT (1)	IT1134634B (sv)
NL (1)	NL8006572A (sv)
NZ (1)	NZ195746A (sv)
PT (1)	PT72170B (sv)
SE (1)	SE8008417L (sv)
ZA (1)	ZA807497B (sv)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3264466D1 (en) *	1981-01-28	1985-08-08	Hitachi Ltd	Current supply circuit
CA1157175A (en) *	1981-02-20	1983-11-15	Mitel Corporation	Power saving line circuit
SE431704B (sv) *	1982-07-06	1984-02-20	Ericsson Telefon Ab L M	Forfarande vid strommatning av en abonnentapparat fran en telefonvexel
SE433284B (sv) *	1982-09-17	1984-05-14	Ericsson Telefon Ab L M	Anordning for strommatning av en abonnentapparat
DE3235085A1 (de) *	1982-09-22	1984-03-22	Siemens AG, 1000 Berlin und 8000 München	Schleifenstromeinspeisung fuer einen kennzeichenumsetzer
SE433285B (sv) *	1982-09-22	1984-05-14	Ericsson Telefon Ab L M	Anordning for strommatning av en abonnentapparat
US4577064A (en) *	1983-04-29	1986-03-18	Gte Lenkurt Incorporated	Auto-balance circuit for battery feed in a telephone circuit
US4532381A (en) *	1984-02-13	1985-07-30	Northern Telecom Limited	Active impedance line feed circuit
US4602130A (en) *	1984-10-15	1986-07-22	Itt Corporation	Dual voltage source feed circuit configuration for a telephone line circuit
CA1231480A (en) *	1985-03-15	1988-01-12	John A. Barsellotti	Constant current line circuit
CA1233583A (en) *	1985-06-18	1988-03-01	Francis Y. Hung	Protection arrangement for a telephone subscriber line interface circuit
US4953160A (en) *	1988-02-24	1990-08-28	Integrated Network Corporation	Digital data over voice communication
US5050210A (en) *	1989-03-10	1991-09-17	Reliance Comm/Tec Corporation	Metallic current limiter
EP0450884B1 (en) *	1990-04-04	1996-06-12	Seiscor Technologies, Inc.	A subscriber line interface circuit providing regulated current
US5103387A (en) *	1991-01-31	1992-04-07	Northern Telecom Limited	High voltage converter
CA2097449C (en) *	1992-06-05	1998-09-15	Satosi Sakuragi	Telephone line power utility circuit
US5515433A (en) *	1994-08-30	1996-05-07	Reltec Corporation	Resistance forward telephone line feed circuit
EP0876726A2 (en) *	1996-09-26	1998-11-11	Koninklijke Philips Electronics N.V.	Power supply circuit, telecommunication device and method for multiple dc slope power management
JP2000513900A (ja) *	1997-04-29	2000-10-17	コーニンクレッカフィリップスエレクトロニクスエヌヴィ	有線結合の電気通信装置及び給電回路
US6480510B1 (en) *	1998-07-28	2002-11-12	Serconet Ltd.	Local area network of serial intelligent cells
US6956826B1 (en)	1999-07-07	2005-10-18	Serconet Ltd.	Local area network for distributing data communication, sensing and control signals
US6690677B1 (en)	1999-07-20	2004-02-10	Serconet Ltd.	Network for telephony and data communication
US6549616B1 (en)	2000-03-20	2003-04-15	Serconet Ltd.	Telephone outlet for implementing a local area network over telephone lines and a local area network using such outlets
FR2819364B1 (fr) *	2001-01-08	2003-04-11	Cit Alcatel	Dispositif de telealementation d'uin terminal dans un reseau de telecommunication, concentrateur, et repeteur comportant un tel dispositif
IL154234A (en) *	2003-01-30	2010-12-30	Mosaid Technologies Inc	Method and system for providing dc power on local telephone lines
IL159838A0 (en)	2004-01-13	2004-06-20	Yehuda Binder	Information device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5098212A (sv) *	1973-12-26	1975-08-05
NL7402575A (nl) *	1974-02-26	1975-08-28	Philips Nv	Elektronisch telefoontoestel.
CH586983A5 (sv) *	1974-12-23	1977-04-15	Ibm
US4037066A (en) *	1975-03-20	1977-07-19	Lorain Products Corporation	Repeater for transmission lines
US4048552A (en) *	1976-02-12	1977-09-13	Bell Telephone Laboratories, Incorporated	Digitally regulated inverter
FR2377286A1 (fr) *	1977-01-18	1978-08-11	Kleber Colombes	Pneumatique
FR2404976A1 (fr) *	1977-09-30	1979-04-27	Materiel Telephonique	Circuit d'alimentation de ligne
NL7802423A (nl) *	1978-03-06	1979-09-10	Philips Nv	Voedingsinrichting voor een lijnstroomloop.
US4241239A (en) *	1978-02-24	1980-12-23	International Telephone And Telegraph Corporation	Fluxbucking line transformer with electronic equivalent line terminating impedance
DE2850905C2 (de) *	1978-11-24	1985-11-14	Felten & Guilleaume Fernmeldeanlagen GmbH, 8500 Nürnberg	Schaltungsanordnung zur Speisung einer Teilnehmerendeinrichtung
US4268723A (en) *	1979-09-04	1981-05-19	Western Electric Company	Circuits and methods for initializing the loop current of a telephone set

1979
- 1979-12-06 GB GB7942104A patent/GB2065418B/en not_active Expired
1980
- 1980-11-21 DE DE19803043907 patent/DE3043907A1/de not_active Withdrawn
- 1980-12-01 SE SE8008417A patent/SE8008417L/sv not_active Application Discontinuation
- 1980-12-01 ZA ZA00807497A patent/ZA807497B/xx unknown
- 1980-12-03 NL NL8006572A patent/NL8006572A/nl not_active Application Discontinuation
- 1980-12-03 EG EG80751A patent/EG14711A/xx active
- 1980-12-03 AU AU65016/80A patent/AU542803B2/en not_active Ceased
- 1980-12-03 US US06/212,347 patent/US4431869A/en not_active Expired - Lifetime
- 1980-12-04 NZ NZ195746A patent/NZ195746A/en unknown
- 1980-12-05 PT PT72170A patent/PT72170B/pt unknown
- 1980-12-05 JP JP17195980A patent/JPS56100562A/ja active Pending
- 1980-12-05 FR FR8025828A patent/FR2471709A1/fr active Granted
- 1980-12-09 IT IT26509/80A patent/IT1134634B/it active
1981
- 1981-09-18 BE BE2/59366A patent/BE890403R/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
AU6501680A (en)	1981-06-11
GB2065418B (en)	1984-02-15
GB2065418A (en)	1981-06-24
US4431869A (en)	1984-02-14
SE8008417L (sv)	1981-06-07
FR2471709B1 (sv)	1984-12-28
PT72170A (en)	1981-01-01
ZA807497B (en)	1981-11-25
IT8026509A0 (it)	1980-12-09
AU542803B2 (en)	1985-03-14
JPS56100562A (en)	1981-08-12
NZ195746A (en)	1984-10-19
BE890403R (fr)	1982-01-18
DE3043907A1 (de)	1981-06-11
FR2471709A1 (fr)	1981-06-19
EG14711A (en)	1985-03-31
PT72170B (en)	1982-01-05
IT1134634B (it)	1986-08-13

Publication	Publication Date	Title
NL8006572A (nl)	1981-07-01	Voedingsinrichting voor een telefoonlijn.
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US7999524B2 (en)	2011-08-16	Interleaved power factor correction pre-regulator phase management circuitry
CN104577959A (zh)	2015-04-29	感应性负载的供电控制装置
CN207083016U (zh)	2018-03-09	用于输出电压控制的设备
JPH11355975A (ja)	1999-12-24	電力供給用変換器モジュ―ル及びそれを含むシステム
JPH0713803B2 (ja)	1995-02-15	バッテリフィード集積回路
US4999524A (en)	1991-03-12	Solar array power simulator
US5166871A (en)	1992-11-24	Buck switching regulator with tow control loops
EP0957626B1 (en)	2006-08-09	Battery switching subscriber loop interface circuit
US6937095B2 (en)	2005-08-30	Efficient, switched linear signal driver
CN112714997A (zh)	2021-04-27	在闭环系统中改善开关条件的方法和装置
JP2771002B2 (ja)	1998-07-02	パワーサプライ
GB2222329A (en)	1990-02-28	Power control circuit for reducing inrush current related noise problems
EP0307237A2 (en)	1989-03-15	Signal amplifier
JPH06169536A (ja)	1994-06-14	無接点式エネルギー及びデータ伝送装置
JP3129811B2 (ja)	2001-01-31	Ｄｃ−ｄｃコンバータの過電流保護回路
KR860001038B1 (ko)	1986-07-28	버블 메모리 유니트용 전원장치
JPH10174435A (ja)	1998-06-26	Ｄｃ−ｄｃコンバータ
RU2052211C1 (ru)	1996-01-10	Стабилизатор постоянного тока
RU2120178C1 (ru)	1998-10-10	Регулятор напряжения генераторного источника питания
JPS60207294A (ja)	1985-10-18	点灯装置
JPH0686454A (ja)	1994-03-25	電源装置
JPH01175453A (ja)	1989-07-11	通信端末への電流供給回路
JPH02303357A (ja)	1990-12-17	スイッチング電源装置

Legal Events

Date	Code	Title	Description
1985-01-01	A85	Still pending on 85-01-01
1985-08-01	BV	The patent application has lapsed