CH575200A5 - - Google Patents

Info

Publication number: CH575200A5
Authority: CH; Switzerland

Application number

CH1045874A

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.)

1973-09-21

Filing date

1974-07-30

Publication date

1976-04-30

1974-07-30 Application filed by Siemens Ag filed Critical Siemens Ag

1976-04-30 Publication of CH575200A5 publication Critical patent/CH575200A5/xx

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
- H04M19/008—Using DC/DC converters

Landscapes

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

CH1045874A 1973-09-21 1974-07-30 CH575200A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2347696A DE2347696C3 (de)	1973-09-21	1973-09-21	Schaltungsanordnung zum Speisen von Teilnehmeranschlußleitungen in Fernsprechvermittlungsanlagen

Publications (1)

Publication Number	Publication Date
CH575200A5 true CH575200A5 (de)	1976-04-30

Family

ID=5893326

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1045874A CH575200A5 (de)	1973-09-21	1974-07-30

Country Status (7)

Country	Link
AT (1)	AT343185B (de)
CH (1)	CH575200A5 (de)
DE (1)	DE2347696C3 (de)
DK (1)	DK497474A (de)
FI (1)	FI269974A7 (de)
IN (1)	IN140059B (de)
IT (1)	IT1021492B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1584778A (en) *	1976-09-17	1981-02-18	Gen Electric	Telecommunication exchanges
FR2372554A1 (fr)	1976-11-25	1978-06-23	Jeumont Schneider	Equipement de ligne d'abonne pour central telephonique
NL7802423A (nl) *	1978-03-06	1979-09-10	Philips Nv	Voedingsinrichting voor een lijnstroomloop.
NL7802421A (nl) *	1978-03-06	1979-09-10	Philips Nv	Voedingsschakeling voor een abonneelijnstroom- loop.
US4761812A (en) *	1985-12-10	1988-08-02	U.S. Holding Company, Inc.	Constant power telephone line circuit
US11334762B1 (en)	2017-09-07	2022-05-17	Aurora Operations, Inc.	Method for image analysis

1973
- 1973-09-21 DE DE2347696A patent/DE2347696C3/de not_active Expired
1974
- 1974-07-30 CH CH1045874A patent/CH575200A5/xx not_active IP Right Cessation
- 1974-08-05 AT AT640274A patent/AT343185B/de active
- 1974-09-16 FI FI2699/74A patent/FI269974A7/fi unknown
- 1974-09-18 IN IN2079/CAL/74A patent/IN140059B/en unknown
- 1974-09-18 IT IT27421/74A patent/IT1021492B/it active
- 1974-09-20 DK DK497474A patent/DK497474A/da unknown

Also Published As

Publication number	Publication date
IN140059B (de)	1976-09-04
DE2347696B2 (de)	1978-04-27
DK497474A (de)	1975-06-02
FI269974A7 (de)	1975-03-22
AT343185B (de)	1978-05-10
ATA640274A (de)	1977-09-15
IT1021492B (it)	1978-01-30
DE2347696A1 (de)	1975-04-03
DE2347696C3 (de)	1978-12-21

Legal Events

Date	Code	Title	Description
1980-05-14	PL	Patent ceased
2024-10-31	PL	Patent ceased

Publication	Publication Date	Title
AR201758A1 (de)	1975-04-15
AU465372B2 (de)	1975-09-25
AR201235Q (de)	1975-02-21
AR201231Q (de)	1975-02-21
AU465453B2 (de)	1975-09-25
AU471343B2 (de)	1976-04-15
AU465434B2 (de)	1975-09-25
AU450229B2 (de)	1974-07-04
AR201229Q (de)	1975-02-21
DK497474A (de)	1975-06-02
AU466283B2 (de)	1975-10-23
AR201432A1 (de)	1975-03-14
AR200256A1 (de)	1974-10-31
AR193950A1 (de)	1973-05-31
AR210729A1 (de)	1977-09-15
AR200885A1 (de)	1974-12-27
AU447540B2 (de)	1974-03-25
AU471461B2 (de)	1976-04-29
AU461342B2 (de)	1975-05-22
AU1891376A (de)	1977-01-20
BG19961A1 (de)	1975-10-30
CH566065A5 (de)	1975-08-29
BG20969A1 (de)	1976-01-20
BG19689A1 (de)	1975-10-10
BG19070A1 (de)	1975-04-30