DK452883A - PUBLIC TELEPHONE TRANSMISSION SYSTEM - Google Patents

PUBLIC TELEPHONE TRANSMISSION SYSTEM Download PDF

Info

Publication number
DK452883A
DK452883A DK452883A DK452883A DK452883A DK 452883 A DK452883 A DK 452883A DK 452883 A DK452883 A DK 452883A DK 452883 A DK452883 A DK 452883A DK 452883 A DK452883 A DK 452883A
Authority
DK
Denmark
Prior art keywords
transmission system
public telephone
telephone transmission
public
transmission
Prior art date
Application number
DK452883A
Other languages
Danish (da)
Other versions
DK452883D0 (en
Inventor
Joseph Rueff
Original Assignee
Sodeco Compteurs De Geneve
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 Sodeco Compteurs De Geneve filed Critical Sodeco Compteurs De Geneve
Publication of DK452883D0 publication Critical patent/DK452883D0/en
Publication of DK452883A publication Critical patent/DK452883A/en

Links

Classifications

    • 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)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Prepayment Telephone Systems (AREA)
  • Meter Arrangements (AREA)
  • Coloring (AREA)
DK452883A 1982-10-01 1983-09-30 PUBLIC TELEPHONE TRANSMISSION SYSTEM DK452883A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH580382A CH659162A5 (en) 1982-10-01 1982-10-01 Arrangement for data transmission on the public telephone network.

Publications (2)

Publication Number Publication Date
DK452883D0 DK452883D0 (en) 1983-09-30
DK452883A true DK452883A (en) 1984-04-02

Family

ID=4299560

Family Applications (1)

Application Number Title Priority Date Filing Date
DK452883A DK452883A (en) 1982-10-01 1983-09-30 PUBLIC TELEPHONE TRANSMISSION SYSTEM

Country Status (6)

Country Link
BE (1) BE897886A (en)
CH (1) CH659162A5 (en)
DE (1) DE3240020C2 (en)
DK (1) DK452883A (en)
GB (1) GB2128451B (en)
SE (1) SE8305387L (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1187866B (en) * 1986-01-21 1987-12-23 Urmet Sud Costr Elett Telefon SYSTEM AND EQUIPMENT FOR PUBLIC TELEPHONY WITH PREPARATION FOR THE INSERTION OF VARIOUS TELEPHONE TERMINALS AND TELEMATIC TERMINALS
FR2607343B1 (en) * 1986-11-20 1989-03-10 Lesieur Philippe DEVICE FOR COUPLING A TELEMATIC TERMINAL TO A PREPAID AND / OR DEFERRED PAY TELEPHONE APPARATUS
DE3741072A1 (en) * 1987-12-04 1989-06-15 Standard Elektrik Lorenz Ag Circuit arrangement for detecting an incoming call in a telephone set
US4926458A (en) * 1988-05-26 1990-05-15 Mars Incorporated Low power control apparatus for a coin operated telephone
US5276441A (en) * 1989-07-08 1994-01-04 Sharp Kabushiki Kaisha Communication charge manageable digital communication unit and a method of managing communication charge
EP0412298B1 (en) * 1989-07-08 1994-11-09 Sharp Kabushiki Kaisha Digital communication unit and method for managing communication charge
GB2242100A (en) * 1990-03-14 1991-09-18 Tunstall Security Limited Alarm communication controller
US5519769C1 (en) * 1994-04-04 2002-05-28 Rates Technology Inc Method and system for updating a call rating database

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1059923B (en) * 1976-04-27 1982-06-21 Cselt Centro Studi Lab Telecom PREPAID TELEPHONE EQUIPMENT WITH MICROCALCULATOR

Also Published As

Publication number Publication date
GB2128451B (en) 1986-02-19
SE8305387L (en) 1984-04-02
GB2128451A (en) 1984-04-26
SE8305387D0 (en) 1983-09-30
CH659162A5 (en) 1986-12-31
GB8325832D0 (en) 1983-10-26
DE3240020C2 (en) 1986-01-09
DE3240020A1 (en) 1984-04-05
DK452883D0 (en) 1983-09-30
BE897886A (en) 1984-01-16

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Legal Events

Date Code Title Description
ATS Application withdrawn