FR2323275B1 - - Google Patents

Info

Publication number
FR2323275B1
FR2323275B1 FR7400350A FR7400350A FR2323275B1 FR 2323275 B1 FR2323275 B1 FR 2323275B1 FR 7400350 A FR7400350 A FR 7400350A FR 7400350 A FR7400350 A FR 7400350A FR 2323275 B1 FR2323275 B1 FR 2323275B1
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
FR7400350A
Other versions
FR2323275A1 (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.)
VIDAR CORP
Original Assignee
VIDAR CORP
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 VIDAR CORP filed Critical VIDAR CORP
Publication of FR2323275A1 publication Critical patent/FR2323275A1/fr
Application granted granted Critical
Publication of FR2323275B1 publication Critical patent/FR2323275B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Analogue/Digital Conversion (AREA)
FR7400350A 1973-01-05 1974-01-04 Dispositif de taxation de trafic telephonique Granted FR2323275A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00321376A US3852533A (en) 1973-01-05 1973-01-05 Sampling and analog-to-digital converter apparatus for use in a telephone message metering system

Publications (2)

Publication Number Publication Date
FR2323275A1 FR2323275A1 (fr) 1977-04-01
FR2323275B1 true FR2323275B1 (fr) 1978-03-24

Family

ID=23250361

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7400350A Granted FR2323275A1 (fr) 1973-01-05 1974-01-04 Dispositif de taxation de trafic telephonique

Country Status (5)

Country Link
US (1) US3852533A (fr)
CA (1) CA1020255A (fr)
DE (1) DE2400056A1 (fr)
FR (1) FR2323275A1 (fr)
GB (1) GB1447288A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4066843A (en) * 1975-03-28 1978-01-03 Applied Data Research, Inc. Telephone circuit monitoring system
IT1128782B (it) * 1980-05-05 1986-06-04 Cselt Centro Studi Lab Telecom Dispositivo per l acquisizione di criteri telefonici da organi di centrali elettromeccaniche
DE19953889C2 (de) * 1999-11-09 2002-02-07 Infineon Technologies Ag Schaltungsanordnung zur Gebührenimpulserkennung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3194985A (en) * 1962-07-02 1965-07-13 North American Aviation Inc Multiplexing circuit with feedback to a constant current source
NL299650A (fr) * 1962-10-23
US3299421A (en) * 1963-10-31 1967-01-17 Texas Instruments Inc Analog-digital encoder for timevarying signals
US3509558A (en) * 1965-10-22 1970-04-28 Nasa Wide range data compression system
FR1469546A (fr) * 1965-12-29 1967-02-17 Csf Commutateur de télémesure
US3603972A (en) * 1968-12-24 1971-09-07 Texaco Inc Amplifier system
ES390723A1 (es) * 1971-04-29 1974-12-01 Standard Electrica Sa Circuito de exploracion electronico pasivo explorado cicli-camente.

Also Published As

Publication number Publication date
FR2323275A1 (fr) 1977-04-01
GB1447288A (en) 1976-08-25
CA1020255A (en) 1977-11-01
DE2400056A1 (de) 1974-07-18
US3852533A (en) 1974-12-03

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Legal Events

Date Code Title Description
ST Notification of lapse