FR2352458A1 - Appareil de detection et de comptage des signaux de taxation des communications telephoniques - Google Patents

Appareil de detection et de comptage des signaux de taxation des communications telephoniques

Info

Publication number
FR2352458A1
FR2352458A1 FR7712173A FR7712173A FR2352458A1 FR 2352458 A1 FR2352458 A1 FR 2352458A1 FR 7712173 A FR7712173 A FR 7712173A FR 7712173 A FR7712173 A FR 7712173A FR 2352458 A1 FR2352458 A1 FR 2352458A1
Authority
FR
France
Prior art keywords
rectified
counted
amplified
displayed
pulses
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
FR7712173A
Other languages
English (en)
Other versions
FR2352458B1 (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.)
FONTAINEMELON HORLOGERIE
Original Assignee
FONTAINEMELON HORLOGERIE
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 FONTAINEMELON HORLOGERIE filed Critical FONTAINEMELON HORLOGERIE
Publication of FR2352458A1 publication Critical patent/FR2352458A1/fr
Application granted granted Critical
Publication of FR2352458B1 publication Critical patent/FR2352458B1/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Meter Arrangements (AREA)
FR7712173A 1976-05-19 1977-04-22 Appareil de detection et de comptage des signaux de taxation des communications telephoniques Granted FR2352458A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH624776A CH600712A5 (fr) 1976-05-19 1976-05-19

Publications (2)

Publication Number Publication Date
FR2352458A1 true FR2352458A1 (fr) 1977-12-16
FR2352458B1 FR2352458B1 (fr) 1980-02-15

Family

ID=4306580

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7712173A Granted FR2352458A1 (fr) 1976-05-19 1977-04-22 Appareil de detection et de comptage des signaux de taxation des communications telephoniques

Country Status (3)

Country Link
CH (1) CH600712A5 (fr)
DE (1) DE2721820A1 (fr)
FR (1) FR2352458A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8000797L (sv) * 1980-02-01 1981-08-02 Bille Dag Svensk Ideutveckling Elektronisk samtalsdebiteringsmetare for abonnenttelefonapparater

Also Published As

Publication number Publication date
CH600712A5 (fr) 1978-06-30
FR2352458B1 (fr) 1980-02-15
DE2721820A1 (de) 1977-11-24

Similar Documents

Publication Publication Date Title
GB2056803B (en) Signal receiving apparatus
JPS5358704A (en) Device for amplifying acoustic signal
IL55197A0 (en) Multifrequency signal receiver
JPS526004A (en) Amplifier circuit for telephone network
GB2002993A (en) Coin telephone station arrangement and system
GB2006574B (en) Method of and device for jointly transmitting telephone and video signal on digitaltelephone lines
JPS5326A (en) Video signal amplifier for television receiver
FR2352458A1 (fr) Appareil de detection et de comptage des signaux de taxation des communications telephoniques
JPS52139302A (en) Automatic circuit switching unit
JPS5361903A (en) Unnecessary signal sound suppressor for telephone set
AU503870B2 (en) Multifrequency signal receiver reference signal circuit
JPS5361905A (en) Telephone calling signal detector
EG13315A (en) Receiver apparatus for detection of two voice frequencies in a multifrequency tone signal
ES8201788A1 (es) Un dispositivo electronico medidor de debitos de llamadas telefonicas
JPS5537038A (en) Automatic displaying and recording device of telephone charge
JPS5464418A (en) Video signal amplitude matching device
JPS5382454A (en) Detecting apparatus for momentary flow rate from volume pulse signals
ES453913A1 (es) Perfeccionamientos en circuitos de control automatico de ganacia.
AU512904B2 (en) Subscriber set acoustic call receiving circuit
JPS52104852A (en) Signal amplifier
FR2452834A1 (fr) Appareil de comptabilisation des taxes telephoniques
FR2365254A1 (fr) Compteur de taxes de conversations telephoniques
JPS5313810A (en) Audio frequency signal telephone receiver
JPS5394707A (en) Circuit for identifying dial impulse signal and incoming signal of telephone set
JPS57104360A (en) Device for transmitting and receiving signal via telephone line

Legal Events

Date Code Title Description
ST Notification of lapse