FR2365252B1 - - Google Patents

Info

Publication number: FR2365252B1
Authority: FR; France
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

Application number

FR7728078A

Other versions

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.)

General Electric Company PLC

Original Assignee

General Electric Company PLC

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.)

1976-09-17

Filing date

1977-09-16

Publication date

1982-03-26

1977-09-16 Application filed by General Electric Company PLC filed Critical General Electric Company PLC

1978-04-14 Publication of FR2365252A1 publication Critical patent/FR2365252A1/fr

1982-03-26 Application granted granted Critical

1982-03-26 Publication of FR2365252B1 publication Critical patent/FR2365252B1/fr

Status Granted legal-status Critical Current

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

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Signal Processing (AREA)
Interface Circuits In Exchanges (AREA)

FR7728078A 1976-09-17 1977-09-16 Procede et dispositif de compensation de l'attenuation en ligne dans un reseau telephonique Granted FR2365252A1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB38555/76A GB1584778A (en)	1976-09-17	1976-09-17	Telecommunication exchanges

Publications (2)

Publication Number	Publication Date
FR2365252A1 FR2365252A1 (fr)	1978-04-14
FR2365252B1 true FR2365252B1 (fr)	1982-03-26

Family

ID=10404250

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7728078A Granted FR2365252A1 (fr)	1976-09-17	1977-09-16	Procede et dispositif de compensation de l'attenuation en ligne dans un reseau telephonique

Country Status (8)

Country	Link
BE (1)	BE858816A (fr)
CA (1)	CA1089131A (fr)
DE (1)	DE2741667A1 (fr)
FR (1)	FR2365252A1 (fr)
GB (1)	GB1584778A (fr)
NL (1)	NL7710118A (fr)
SE (1)	SE425537B (fr)
ZA (1)	ZA775490B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4254305A (en) *	1979-02-07	1981-03-03	International Telephone And Telegraph Corporation	Current limited subscriber line feed circuit
US4272648A (en) *	1979-11-28	1981-06-09	International Telephone And Telegraph Corporation	Gain control apparatus for digital telephone line circuits
DE3902439A1 (de) *	1989-01-27	1990-08-02	Basf Ag	Pflanzenschuetzende mittel auf basis von 1-aryl- bzw. 1-hetarylimidazolcarbonsaeureestern
US5274703A (en) *	1991-05-23	1993-12-28	At&T Bell Laboratories	Automatic loss control circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1299735B (de) *	1965-08-04	1969-07-24	Siemens Ag	Schaltungsanordnung fuer Fernsprechanlagen, insbesondere Nebenstellenanlagen mit Sprechstellen, die einen selbsttaetigen Daempfungsausgleich aufweisen
DE1287650C2 (de) *	1966-10-18	1976-02-26	Standard Elektrik Lorenz Ag, 7000 Stuttgart	Verfahren und schaltungsanordnung zur steuerung des verbindungsaufbaues in abhaengigkeit von informationen ueber die anschlussleitung
US3781481A (en) *	1971-09-30	1973-12-25	Stromberg Carlson Corp	Amplifier select and control circuit
DE2250651B2 (de) *	1972-10-16	1975-06-19	Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt	Schaltungsanordnung für den Dämpfungsausgleich in einer Nebenstellenanlage mit vierdrähtigen Verbindungswegen
DE2347696C3 (de) *	1973-09-21	1978-12-21	Siemens Ag, 1000 Berlin Und 8000 Muenchen	Schaltungsanordnung zum Speisen von Teilnehmeranschlußleitungen in Fernsprechvermittlungsanlagen
US3903378A (en) *	1974-03-27	1975-09-02	Gte Automatic Electric Lab Inc	Arrangement for controlling the gain of two-way amplifiers in accordance with loop lengths

1976
- 1976-09-17 GB GB38555/76A patent/GB1584778A/en not_active Expired
1977
- 1977-09-13 ZA ZA00775490A patent/ZA775490B/xx unknown
- 1977-09-15 SE SE7710346A patent/SE425537B/xx not_active IP Right Cessation
- 1977-09-15 NL NL7710118A patent/NL7710118A/xx not_active Application Discontinuation
- 1977-09-16 FR FR7728078A patent/FR2365252A1/fr active Granted
- 1977-09-16 BE BE181006A patent/BE858816A/fr not_active IP Right Cessation
- 1977-09-16 CA CA286,926A patent/CA1089131A/fr not_active Expired
- 1977-09-16 DE DE19772741667 patent/DE2741667A1/de active Granted

Also Published As

Publication number	Publication date
DE2741667C2 (fr)	1987-09-24
ZA775490B (en)	1978-07-26
NL7710118A (nl)	1978-03-21
DE2741667A1 (de)	1978-03-23
CA1089131A (fr)	1980-11-04
SE425537B (sv)	1982-10-04
GB1584778A (en)	1981-02-18
SE7710346L (sv)	1978-03-18
BE858816A (fr)	1978-01-16
FR2365252A1 (fr)	1978-04-14

Publication	Publication Date	Title
FR2372471B1 (fr)	1980-04-11
FR2365252B1 (fr)	1982-03-26
JPS5313976U (fr)	1978-02-04
JPS5347605U (fr)	1978-04-22
FR2346759B3 (fr)	1980-01-04
JPS5315812U (fr)	1978-02-09
JPS52165302U (fr)	1977-12-14
FR2392977B3 (fr)	1980-06-06
JPS5712182Y2 (fr)	1982-03-10
JPS5639206Y2 (fr)	1981-09-12
JPS5621565B2 (fr)	1981-05-20
JPS52155665U (fr)	1977-11-26
JPS537976U (fr)	1978-01-24
JPS5639090Y2 (fr)	1981-09-11
JPS52169311U (fr)	1977-12-22
JPS52157507U (fr)	1977-11-30
JPS5375940U (fr)	1978-06-24
JPS5356084U (fr)	1978-05-13
JPS5383181U (fr)	1978-07-10
JPS5331445U (fr)	1978-03-17
JPS5323859U (fr)	1978-02-28
IN146242B (fr)	1979-03-31
JPS52113951U (fr)	1977-08-30
DD123949A1 (fr)	1977-01-26
CH613370A5 (fr)	1979-09-28

Legal Events

Date	Code	Title
1990-02-02	TP	Transmission of property
1997-07-25	ST	Notification of lapse
1997-08-29	ST	Notification of lapse