FR2447654A1 - Dispositif pour l'affichage de la duree d'une communication telephonique - Google Patents

Dispositif pour l'affichage de la duree d'une communication telephonique

Info

Publication number
FR2447654A1
FR2447654A1 FR7901753A FR7901753A FR2447654A1 FR 2447654 A1 FR2447654 A1 FR 2447654A1 FR 7901753 A FR7901753 A FR 7901753A FR 7901753 A FR7901753 A FR 7901753A FR 2447654 A1 FR2447654 A1 FR 2447654A1
Authority
FR
France
Prior art keywords
charge
phone call
finish
circuit
photodiode
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.)
Granted
Application number
FR7901753A
Other languages
English (en)
French (fr)
Other versions
FR2447654B1 (https=
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.)
App Automatiques SA Fse
Original Assignee
App Automatiques SA Fse
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 App Automatiques SA Fse filed Critical App Automatiques SA Fse
Priority to FR7901753A priority Critical patent/FR2447654A1/fr
Publication of FR2447654A1 publication Critical patent/FR2447654A1/fr
Application granted granted Critical
Publication of FR2447654B1 publication Critical patent/FR2447654B1/fr
Granted 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
    • H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal
    • H04M15/30—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal the meter or calculation of charges not being controlled from an exchange

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Meter Arrangements (AREA)
FR7901753A 1979-01-24 1979-01-24 Dispositif pour l'affichage de la duree d'une communication telephonique Granted FR2447654A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7901753A FR2447654A1 (fr) 1979-01-24 1979-01-24 Dispositif pour l'affichage de la duree d'une communication telephonique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7901753A FR2447654A1 (fr) 1979-01-24 1979-01-24 Dispositif pour l'affichage de la duree d'une communication telephonique

Publications (2)

Publication Number Publication Date
FR2447654A1 true FR2447654A1 (fr) 1980-08-22
FR2447654B1 FR2447654B1 (https=) 1984-03-16

Family

ID=9221135

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7901753A Granted FR2447654A1 (fr) 1979-01-24 1979-01-24 Dispositif pour l'affichage de la duree d'une communication telephonique

Country Status (1)

Country Link
FR (1) FR2447654A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2493648A1 (fr) * 1980-11-06 1982-05-07 Crde Procede et dispositif pour elaborer et delivrer le montant de taxes telephoniques

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3769463A (en) * 1972-02-28 1973-10-30 Lorbon Mfg Co Inc Electronic long-distance telephone call computer and recorder
FR2350650A1 (fr) * 1976-05-05 1977-12-02 Bretton Sa Dispositif de comptage electronique portatif

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3769463A (en) * 1972-02-28 1973-10-30 Lorbon Mfg Co Inc Electronic long-distance telephone call computer and recorder
FR2350650A1 (fr) * 1976-05-05 1977-12-02 Bretton Sa Dispositif de comptage electronique portatif

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2493648A1 (fr) * 1980-11-06 1982-05-07 Crde Procede et dispositif pour elaborer et delivrer le montant de taxes telephoniques
WO1982001634A1 (fr) * 1980-11-06 1982-05-13 Electr Dev Realisation Procede et dispositif pour elaborer et delivrer le montant de taxes telephoniques

Also Published As

Publication number Publication date
FR2447654B1 (https=) 1984-03-16

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Legal Events

Date Code Title Description
ST Notification of lapse