FR852439A - - Google Patents

Info

Publication number
FR852439A
FR852439A FR852439DA FR852439A FR 852439 A FR852439 A FR 852439A FR 852439D A FR852439D A FR 852439DA FR 852439 A FR852439 A FR 852439A
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.)
Active
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 of FR852439A publication Critical patent/FR852439A/fr
Active legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M15/00Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/38Charging, billing or metering by apparatus other than mechanical step-by-step counter type
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/40Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using contact-making devices, e.g. electromagnetic relay
    • G06F7/42Adding; Subtracting
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/46Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using electromechanical counter-type accumulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Meter Arrangements (AREA)
  • Insulated Conductors (AREA)
FR852439D 1938-04-01 Active FR852439A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1009238A GB513228A (en) 1938-04-01 1938-04-01 Improvements in or relating to telecommunication exchange systems

Publications (1)

Publication Number Publication Date
FR852439A true FR852439A (xx)

Family

ID=9961326

Family Applications (1)

Application Number Title Priority Date Filing Date
FR852439D Active FR852439A (xx) 1938-04-01

Country Status (3)

Country Link
FR (1) FR852439A (xx)
GB (2) GB513248A (xx)
NL (1) NL64017C (xx)

Also Published As

Publication number Publication date
GB513228A (en) 1939-10-06
GB513248A (en) 1939-10-06
NL64017C (xx)

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