FR752012A - - Google Patents

Info

Publication number: FR752012A
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

Other languages

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.)

1932-06-10

Publication date

1933-09-15

1933-09-15 Application granted granted Critical

1933-09-15 Publication of FR752012A publication Critical patent/FR752012A/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
- H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
- H04Q3/625—Arrangements in the private branch exchange

Landscapes

Physics & Mathematics (AREA)
Astronomy & Astrophysics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Sub-Exchange Stations And Push- Button Telephones (AREA)

FR752012D 1932-06-10 Expired FR752012A (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB752012X		1932-06-10

Publications (1)

Publication Number	Publication Date
FR752012A true FR752012A (xx)	1933-09-15

Family

ID=10496349

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR752012D Expired FR752012A (xx)	1932-06-10

Country Status (2)

Country	Link
DE (1)	DE681436C (xx)
FR (1)	FR752012A (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE765745C (de) *	1941-07-04	1954-10-25	Siemens & Halske A G	Schaltungsanordnung fuer Fernsprechnebenstellenanlagen mit Waehlerbetrieb
DE971825C (de) *	1952-11-08	1959-04-02	Sueddeutsche Telefon App	Schaltungsanordnung fuer kleine Selbstwaehl-Nebenstellenanlagen

0
- FR FR752012D patent/FR752012A/fr not_active Expired
1933
- 1933-06-04 DE DEST50936D patent/DE681436C/de not_active Expired

Also Published As

Publication number	Publication date
DE681436C (de)	1939-09-22

Publication	Publication Date	Title
FR752012A (xx)	1933-09-15
FR738578A (xx)	1932-12-27
FR742657A (xx)	1933-03-13
FR767502A (xx)	1934-07-19
FR737164A (xx)	1932-12-07
BE387447A (xx)	1932-04-30
NL38255C (xx)
NL36152C (xx)
BE395125A (xx)
BE388289A (xx)	1932-06-30
BE388263A (xx)	1932-06-30
BE388245A (xx)
BE388194A (xx)
BE344753A (xx)
BE360854A (xx)
BE373800A (xx)
BE378767A (xx)
BE382147A (xx)
BE382324A (xx)
BE382817A (xx)
BE383626A (xx)
BE384856A (xx)
BE385407A (xx)
BE385773A (xx)
BE385896A (xx)	1932-02-29