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FR49556E - Improvements to telephone systems - Google Patents

Improvements to telephone systems

Info

Publication number
FR49556E
FR49556E FR49556DA FR49556E FR 49556 E FR49556 E FR 49556E FR 49556D A FR49556D A FR 49556DA FR 49556 E FR49556 E FR 49556E
Authority
FR
France
Prior art keywords
telephone systems
telephone
systems
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie des Telephones Thomson Houston
Original Assignee
Compagnie des Telephones Thomson Houston
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 by Compagnie des Telephones Thomson Houston filed Critical Compagnie des Telephones Thomson Houston
Application granted granted Critical
Publication of FR49556E publication Critical patent/FR49556E/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR49556D 1937-12-28 1937-12-28 Improvements to telephone systems Expired FR49556E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR49556T 1937-12-28

Publications (1)

Publication Number Publication Date
FR49556E true FR49556E (en) 1939-05-11

Family

ID=8684713

Family Applications (1)

Application Number Title Priority Date Filing Date
FR49556D Expired FR49556E (en) 1937-12-28 1937-12-28 Improvements to telephone systems

Country Status (1)

Country Link
FR (1) FR49556E (en)

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