FR908693A - Improvements to telephone systems - Google Patents

Improvements to telephone systems

Info

Publication number
FR908693A
FR908693A FR908693DA FR908693A FR 908693 A FR908693 A FR 908693A FR 908693D A FR908693D A FR 908693DA FR 908693 A FR908693 A FR 908693A
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
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 FR908693A publication Critical patent/FR908693A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/08—Metering calls to called party, i.e. B-party charged for the communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR908693D 1943-02-18 1942-07-04 Improvements to telephone systems Expired FR908693A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR54001T 1943-02-18

Publications (1)

Publication Number Publication Date
FR908693A true FR908693A (en) 1946-04-16

Family

ID=8688465

Family Applications (2)

Application Number Title Priority Date Filing Date
FR908693D Expired FR908693A (en) 1943-02-18 1942-07-04 Improvements to telephone systems
FR54001D Expired FR54001E (en) 1943-02-18 1943-02-18 Improvements to telephone systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR54001D Expired FR54001E (en) 1943-02-18 1943-02-18 Improvements to telephone systems

Country Status (1)

Country Link
FR (2) FR908693A (en)

Also Published As

Publication number Publication date
FR54001E (en) 1947-03-27

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