FR737076A - Building telephone installation - Google Patents

Building telephone installation

Info

Publication number
FR737076A
FR737076A FR737076DA FR737076A FR 737076 A FR737076 A FR 737076A FR 737076D A FR737076D A FR 737076DA FR 737076 A FR737076 A FR 737076A
Authority
FR
France
Prior art keywords
telephone installation
building telephone
building
installation
telephone
Prior art date
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)
Inventor
Heinrich Herr
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.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR737076A publication Critical patent/FR737076A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
    • H04Q5/18—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with indirect connection, i.e. through subordinate switching centre
    • H04Q5/22—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with indirect connection, i.e. through subordinate switching centre the subordinate centre not permitting interconnection of subscribers connected thereto

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR737076D 1931-07-22 1932-05-13 Building telephone installation Expired FR737076A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT737076X 1931-07-22

Publications (1)

Publication Number Publication Date
FR737076A true FR737076A (en) 1932-12-06

Family

ID=3680197

Family Applications (1)

Application Number Title Priority Date Filing Date
FR737076D Expired FR737076A (en) 1931-07-22 1932-05-13 Building telephone installation

Country Status (1)

Country Link
FR (1) FR737076A (en)

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