BE779286A - MOUNTING FOR A CENTRALLY CONTROLLED TELEPHONE INSTALLATION, AND IN PARTICULAR A SUBSCRIBER TELEPHONE INSTALLATION WITH ADDITIONAL EXTENSIONS, AND INCLUDING CONNECTION LINES GOING TO TELEPHONE EXTENSIONS AND WHICH RETRANSMIT DIRECT CURRENT SIGNALS AND SIGNALS WITH ACOUSTIC FREQUENCY - Google Patents

MOUNTING FOR A CENTRALLY CONTROLLED TELEPHONE INSTALLATION, AND IN PARTICULAR A SUBSCRIBER TELEPHONE INSTALLATION WITH ADDITIONAL EXTENSIONS, AND INCLUDING CONNECTION LINES GOING TO TELEPHONE EXTENSIONS AND WHICH RETRANSMIT DIRECT CURRENT SIGNALS AND SIGNALS WITH ACOUSTIC FREQUENCY

Info

Publication number: BE779286A
Authority: BE; Belgium
Prior art keywords: extensions; telephone; signals; telephone installation; installation
Prior art date: 1971-02-11

Application number

BE779286A

Other languages

French (fr)

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.)

1971-02-11

Filing date

1972-02-11

Publication date

1972-08-11

1972-02-11 Application filed by Siemens Ag filed Critical Siemens Ag

1972-08-11 Publication of BE779286A publication Critical patent/BE779286A/en

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
- H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Telephonic Communication Services (AREA)
Sub-Exchange Stations And Push- Button Telephones (AREA)

BE779286A 1971-02-11 1972-02-11 MOUNTING FOR A CENTRALLY CONTROLLED TELEPHONE INSTALLATION, AND IN PARTICULAR A SUBSCRIBER TELEPHONE INSTALLATION WITH ADDITIONAL EXTENSIONS, AND INCLUDING CONNECTION LINES GOING TO TELEPHONE EXTENSIONS AND WHICH RETRANSMIT DIRECT CURRENT SIGNALS AND SIGNALS WITH ACOUSTIC FREQUENCY BE779286A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19712106390 DE2106390C3 (en)	1971-02-11	1971-02-11	Circuit arrangement for a centrally controlled telecommunications, in particular telephone branch exchange, with connected pulse and touch dial subscriber stations

Publications (1)

Publication Number	Publication Date
BE779286A true BE779286A (en)	1972-08-11

Family

ID=5798410

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE779286A BE779286A (en)	1971-02-11	1972-02-11	MOUNTING FOR A CENTRALLY CONTROLLED TELEPHONE INSTALLATION, AND IN PARTICULAR A SUBSCRIBER TELEPHONE INSTALLATION WITH ADDITIONAL EXTENSIONS, AND INCLUDING CONNECTION LINES GOING TO TELEPHONE EXTENSIONS AND WHICH RETRANSMIT DIRECT CURRENT SIGNALS AND SIGNALS WITH ACOUSTIC FREQUENCY

Country Status (9)

Country	Link
AT (1)	AT316659B (en)
BE (1)	BE779286A (en)
CH (1)	CH540615A (en)
DE (1)	DE2106390C3 (en)
FR (1)	FR2126772A5 (en)
GB (1)	GB1370063A (en)
IT (1)	IT947374B (en)
LU (1)	LU64757A1 (en)
NL (1)	NL7201849A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2500247B1 (en) *	1981-02-13	1987-12-24	France Etat	MATRIX OPTICAL CONCENTRATOR-DISTRIBUTOR

1971
- 1971-02-11 DE DE19712106390 patent/DE2106390C3/en not_active Expired
1972
- 1972-01-25 AT AT58472A patent/AT316659B/en not_active IP Right Cessation
- 1972-01-26 CH CH117072A patent/CH540615A/en not_active IP Right Cessation
- 1972-02-07 GB GB550872A patent/GB1370063A/en not_active Expired
- 1972-02-08 IT IT2031572A patent/IT947374B/en active
- 1972-02-08 FR FR7204091A patent/FR2126772A5/fr not_active Expired
- 1972-02-09 LU LU64757D patent/LU64757A1/xx unknown
- 1972-02-11 BE BE779286A patent/BE779286A/en unknown
- 1972-02-11 NL NL7201849A patent/NL7201849A/xx unknown

Also Published As

Publication number	Publication date
AT316659B (en)	1974-07-25
NL7201849A (en)	1972-08-15
FR2126772A5 (en)	1972-10-06
DE2106390C3 (en)	1975-08-21
LU64757A1 (en)	1972-07-04
GB1370063A (en)	1974-10-09
DE2106390A1 (en)	1972-08-24
IT947374B (en)	1973-05-21
CH540615A (en)	1973-08-15
DE2106390B2 (en)	1975-01-02

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