FR73662E - Improvements to telephone systems - Google Patents

Improvements to telephone systems

Info

Publication number
FR73662E
FR73662E FR766839A FR766839A FR73662E FR 73662 E FR73662 E FR 73662E FR 766839 A FR766839 A FR 766839A FR 766839 A FR766839 A FR 766839A FR 73662 E FR73662 E FR 73662E
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
FR766839A
Other languages
French (fr)
Inventor
Roger-Louis-Marie Le Queau
Marc-Marie-Jean Verne
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
Le Materiel Telephonique Thomson CSF
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, Le Materiel Telephonique Thomson CSF filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Priority to FR766839A priority Critical patent/FR73662E/en
Application granted granted Critical
Publication of FR73662E publication Critical patent/FR73662E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR766839A 1954-12-22 1958-05-31 Improvements to telephone systems Expired FR73662E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR766839A FR73662E (en) 1954-12-22 1958-05-31 Improvements to telephone systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1117400T 1954-12-22
FR766839A FR73662E (en) 1954-12-22 1958-05-31 Improvements to telephone systems

Publications (1)

Publication Number Publication Date
FR73662E true FR73662E (en) 1960-09-05

Family

ID=26183441

Family Applications (1)

Application Number Title Priority Date Filing Date
FR766839A Expired FR73662E (en) 1954-12-22 1958-05-31 Improvements to telephone systems

Country Status (1)

Country Link
FR (1) FR73662E (en)

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