FR1046256A - Improvements to semi-automatic telephone systems - Google Patents

Improvements to semi-automatic telephone systems

Info

Publication number
FR1046256A
FR1046256A FR1046256DA FR1046256A FR 1046256 A FR1046256 A FR 1046256A FR 1046256D A FR1046256D A FR 1046256DA FR 1046256 A FR1046256 A FR 1046256A
Authority
FR
France
Prior art keywords
semi
telephone systems
automatic telephone
automatic
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)
Inventor
Jacques-Gabriel-Mari Penet
Rene-Leon Bizollier
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil SA
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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Application granted granted Critical
Publication of FR1046256A publication Critical patent/FR1046256A/en
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

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR1046256D 1951-12-10 1951-12-10 Improvements to semi-automatic telephone systems Expired FR1046256A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1046256T 1951-12-10

Publications (1)

Publication Number Publication Date
FR1046256A true FR1046256A (en) 1953-12-04

Family

ID=9592176

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1046256D Expired FR1046256A (en) 1951-12-10 1951-12-10 Improvements to semi-automatic telephone systems

Country Status (1)

Country Link
FR (1) FR1046256A (en)

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