DK432578A - RECEIVING CIRCUIT FOR TAX RATE PULSE IN TELEPHONE SYSTEMS - Google Patents

RECEIVING CIRCUIT FOR TAX RATE PULSE IN TELEPHONE SYSTEMS

Info

Publication number
DK432578A
DK432578A DK432578A DK432578A DK432578A DK 432578 A DK432578 A DK 432578A DK 432578 A DK432578 A DK 432578A DK 432578 A DK432578 A DK 432578A DK 432578 A DK432578 A DK 432578A
Authority
DK
Denmark
Prior art keywords
receiving circuit
telephone systems
tax rate
rate pulse
pulse
Prior art date
Application number
DK432578A
Other languages
Danish (da)
Inventor
J Rueff
Original Assignee
Sodoco Saia
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 Sodoco Saia filed Critical Sodoco Saia
Publication of DK432578A publication Critical patent/DK432578A/en

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
    • H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
    • H04M17/023—Circuit arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Meter Arrangements (AREA)
  • Prepayment Telephone Systems (AREA)
DK432578A 1977-09-30 1978-09-29 RECEIVING CIRCUIT FOR TAX RATE PULSE IN TELEPHONE SYSTEMS DK432578A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1197177A CH622654A5 (en) 1977-09-30 1977-09-30

Publications (1)

Publication Number Publication Date
DK432578A true DK432578A (en) 1979-03-31

Family

ID=4378612

Family Applications (1)

Application Number Title Priority Date Filing Date
DK432578A DK432578A (en) 1977-09-30 1978-09-29 RECEIVING CIRCUIT FOR TAX RATE PULSE IN TELEPHONE SYSTEMS

Country Status (9)

Country Link
AT (1) AT364392B (en)
BE (1) BE870158A (en)
CH (1) CH622654A5 (en)
DE (1) DE2833322A1 (en)
DK (1) DK432578A (en)
FR (1) FR2404975A1 (en)
GB (1) GB2005111A (en)
NL (1) NL7809721A (en)
NO (1) NO783303L (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2551604B1 (en) * 1983-09-06 1985-10-25 Thomson Csf Mat Tel TELEXING DEVICE FOR ELECTRONIC TELEPHONE TERMINAL
JPS62220054A (en) * 1986-03-20 1987-09-28 Fujitsu Ltd Receiver for charging signal of central office line trunk circuit
GB8703066D0 (en) * 1987-02-11 1987-03-18 Gen Electric Co Plc Signal converter unit
FR2648655B1 (en) * 1989-06-19 1995-08-18 Alcatel Business Systems SIGNAL DETECTOR, OF TELEPHONE TAX TYPE, PARTICULARLY FOR TELEPHONE TRUNK
NL8902617A (en) * 1989-10-23 1991-05-16 Nederland Ptt METHOD AND APPARATUS FOR CONNECTING ON THE ONE PART A DEVICE CONNECTED WITH AN EARTHED SYSTEM WITH AN EXTENSION OF A SINGLE OR MULTIPHASE ELECTRICITY NETWORK WITH RESPECT TO THE OTHER CONNECTION. CONNECTIONS THE SMALLEST IMPEDANCE TO EARTH.
GB2266819A (en) * 1992-05-07 1993-11-10 British Telecomm Pulse detection
DE19502448C2 (en) * 1995-01-26 1998-07-30 Gramespacher Max H Third-party use detector for connection to a telephone line

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE550795A (en) * 1955-09-20
DE1563825A1 (en) * 1966-08-10 1970-05-14 Stotz Kontakt Gmbh Residual current circuit breaker
DE1291797B (en) * 1967-06-07 1969-04-03 Siemens Ag Circuit arrangement for toll counters trained as roll counters at stations in telecommunications, especially telephone systems
CH532873A (en) * 1971-06-21 1973-01-15 Sodeco Compteurs De Geneve Billing meters for telephone systems with automatic billing
CH540616A (en) * 1972-01-10 1973-08-15 Sodeco Compteurs De Geneve Circuit arrangement for a telephone charge indicator
DE2337107C2 (en) * 1973-07-20 1975-07-24 Siemens Ag, 1000 Berlin Und 8000 Muenchen Receiving device for alternating voltage pulses transmitted via telecommunications, in particular telephone lines, e.g. B. 16 kHz counting pulses
BR7501017A (en) * 1974-03-01 1975-12-02 Ite Imperial Corp CIRCUIT PROTECTIVE DEVICE
IT1035674B (en) * 1975-05-09 1979-10-20 Ind Politecnica Meridionale Ip MEMORIZING DEVICE AND FOR PRINTING THE CALLED TELEPHONE NUMBER AND RELATED SHOTS

Also Published As

Publication number Publication date
ATA532078A (en) 1981-03-15
FR2404975B1 (en) 1982-06-25
CH622654A5 (en) 1981-04-15
NO783303L (en) 1979-04-02
NL7809721A (en) 1979-04-03
FR2404975A1 (en) 1979-04-27
AT364392B (en) 1981-10-12
BE870158A (en) 1979-01-02
GB2005111A (en) 1979-04-11
DE2833322A1 (en) 1979-04-12

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment