CH607490A5 - - Google Patents

Info

Publication number: CH607490A5
Authority: CH; Switzerland

Application number

CH1261976A

Inventor

Peter Wurll

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.)

1975-10-10

Filing date

1976-10-06

Publication date

1978-12-29

1976-10-06 Application filed by Siemens Ag filed Critical Siemens Ag

1978-12-29 Publication of CH607490A5 publication Critical patent/CH607490A5/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
- H04M9/022—Multiplex systems
- H04M9/025—Time division multiplex systems, e.g. loop systems

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Interconnected Communication Systems, Intercoms, And Interphones (AREA)

CH1261976A 1975-10-10 1976-10-06 CH607490A5 (zh)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19752545515 DE2545515C3 (de)	1975-10-10	1975-10-10	Gegen- oder Wechselsprechanlage

Publications (1)

Publication Number	Publication Date
CH607490A5 true CH607490A5 (zh)	1978-12-29

Family

ID=5958872

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1261976A CH607490A5 (zh)	1975-10-10	1976-10-06

Country Status (4)

Country	Link
AT (1)	AT357204B (zh)
CH (1)	CH607490A5 (zh)
DE (1)	DE2545515C3 (zh)
NL (1)	NL7611196A (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1110111B (it) *	1979-01-12	1985-12-23	Acet Srl	Impianto citofonico a portiere elettrico a due fili,suscettibile di utilizzare un pressistente impianto a campanello,senza necessita' di ulteriori linee di alimentazione
DE2946177C2 (de) *	1979-11-15	1988-08-18	S. Siedle & Söhne Telefon- und Telegrafenwerke GmbH, 7743 Furtwangen	Hausanlage zur Übertragung von Informationen
DE4334906C2 (de) *	1993-10-13	1997-05-07	Neumann Elektronik Gmbh	Einrichtung zur Übertragung von Ruf- und Belegungszustandssignalen von Wechsel- oder Gegen-Lautsprechanlagen mit Linienwahl über eine Zweidraht-Fernleitung

1975
- 1975-10-10 DE DE19752545515 patent/DE2545515C3/de not_active Expired
1976
- 1976-09-30 AT AT723576A patent/AT357204B/de not_active IP Right Cessation
- 1976-10-06 CH CH1261976A patent/CH607490A5/xx not_active IP Right Cessation
- 1976-10-08 NL NL7611196A patent/NL7611196A/xx not_active Application Discontinuation

Also Published As

Publication number	Publication date
DE2545515A1 (de)	1977-04-14
DE2545515C3 (de)	1980-08-07
DE2545515B2 (de)	1979-11-08
AT357204B (de)	1980-06-25
NL7611196A (nl)	1977-04-13
ATA723576A (de)	1979-11-15

Publication	Publication Date	Title
JPS5190528U (zh)	1976-07-20
JPS5112865A (zh)	1976-01-31
JPS5255337U (zh)	1977-04-21
JPS5522359Y2 (zh)	1980-05-28
JPS5546523Y2 (zh)	1980-10-31
JPS5221295U (zh)	1977-02-15
JPS5522775Y2 (zh)	1980-05-30
JPS5210007Y2 (zh)	1977-03-03
JPS5433937B2 (zh)	1979-10-24
JPS526700U (zh)	1977-01-18
JPS51153838U (zh)	1976-12-08
JPS5215530U (zh)	1977-02-03
JPS51132403U (zh)	1976-10-25
JPS5199047U (zh)	1976-08-09
JPS51115391U (zh)	1976-09-18
CH605272A5 (zh)	1978-09-29
CH600941A5 (zh)	1978-06-30
CH607490A5 (zh)	1978-12-29
CH600705A5 (zh)	1978-06-30
DD125208A5 (zh)	1977-04-06
CH607293A5 (zh)	1978-11-30
CH607231A5 (zh)	1978-11-30
CH607023A5 (zh)	1978-11-30
CH606347A5 (zh)	1978-10-31
CH601710A5 (zh)	1978-07-14

Legal Events

Date	Code	Title	Description
1982-06-30	PL	Patent ceased
2024-10-31	PL	Patent ceased