FR850303A - - Google Patents

Info

Publication number
FR850303A
FR850303A FR850303DA FR850303A FR 850303 A FR850303 A FR 850303A FR 850303D A FR850303D A FR 850303DA FR 850303 A FR850303 A FR 850303A
Authority
FR
France
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)
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.)
Publication date
Priority claimed from GB5589/38A external-priority patent/GB511695A/en
Application granted granted Critical
Publication of FR850303A publication Critical patent/FR850303A/fr
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
    • H04M15/04—Recording calls, or communications in printed, perforated or other permanent form
    • 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
    • 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)
  • Signal Processing (AREA)
FR850303D 1938-02-22 Expired FR850303A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5589/38A GB511695A (en) 1938-02-22 1938-02-22 Improvements in electric signalling systems

Publications (1)

Publication Number Publication Date
FR850303A true FR850303A (en) 1939-12-14

Family

ID=9798948

Family Applications (1)

Application Number Title Priority Date Filing Date
FR850303D Expired FR850303A (en) 1938-02-22

Country Status (1)

Country Link
FR (1) FR850303A (en)

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