FR634061A - Improvements to telephone systems - Google Patents

Improvements to telephone systems

Info

Publication number
FR634061A
FR634061A FR634061DA FR634061A FR 634061 A FR634061 A FR 634061A FR 634061D A FR634061D A FR 634061DA FR 634061 A FR634061 A FR 634061A
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.)
Thales SA
Original Assignee
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR634061A publication Critical patent/FR634061A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR634061D 1927-05-09 1927-05-09 Improvements to telephone systems Expired FR634061A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR634061T 1927-05-09

Publications (1)

Publication Number Publication Date
FR634061A true FR634061A (en) 1928-02-09

Family

ID=8993325

Family Applications (1)

Application Number Title Priority Date Filing Date
FR634061D Expired FR634061A (en) 1927-05-09 1927-05-09 Improvements to telephone systems

Country Status (1)

Country Link
FR (1) FR634061A (en)

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