FR752012A - - Google Patents

Info

Publication number
FR752012A
FR752012A FR752012DA FR752012A FR 752012 A FR752012 A FR 752012A FR 752012D A FR752012D A FR 752012DA FR 752012 A FR752012 A FR 752012A
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
French (fr)
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.)
Publication date
Application granted granted Critical
Publication of FR752012A publication Critical patent/FR752012A/fr
Expired legal-status Critical Current

Links

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 (US07534539-20090519-C00280.png)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR752012A true FR752012A (US07534539-20090519-C00280.png) 1933-09-15

Family

ID=10496349

Family Applications (1)

Application Number Title Priority Date Filing Date
FR752012D Expired FR752012A (US07534539-20090519-C00280.png) 1932-06-10

Country Status (2)

Country Link
DE (1) DE681436C (US07534539-20090519-C00280.png)
FR (1) FR752012A (US07534539-20090519-C00280.png)

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

Also Published As

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

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