FR835041A - Telephone or similar communications systems - Google Patents

Telephone or similar communications systems

Info

Publication number
FR835041A
FR835041A FR835041DA FR835041A FR 835041 A FR835041 A FR 835041A FR 835041D A FR835041D A FR 835041DA FR 835041 A FR835041 A FR 835041A
Authority
FR
France
Prior art keywords
telephone
communications systems
similar communications
similar
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 FR835041A publication Critical patent/FR835041A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04M15/38—Charging, billing or metering by apparatus other than mechanical step-by-step counter type
    • 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
    • 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
    • H04M15/04—Recording calls, or communications in printed, perforated or other permanent form

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Meter Arrangements (AREA)
FR835041D 1937-03-10 1938-03-09 Telephone or similar communications systems Expired FR835041A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE211385X 1937-03-10

Publications (1)

Publication Number Publication Date
FR835041A true FR835041A (en) 1938-12-09

Family

ID=3865936

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835041D Expired FR835041A (en) 1937-03-10 1938-03-09 Telephone or similar communications systems

Country Status (4)

Country Link
BE (1) BE420466A (en)
CH (1) CH211385A (en)
FR (1) FR835041A (en)
GB (1) GB498374A (en)

Also Published As

Publication number Publication date
BE420466A (en)
GB498374A (en) 1939-01-06
CH211385A (en) 1940-09-15

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