DK452883A - System til dataoverfoering over det offentlige telefonnet - Google Patents

System til dataoverfoering over det offentlige telefonnet 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
English (en)
Other versions
DK452883D0 (da
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/da
Publication of DK452883A publication Critical patent/DK452883A/da

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 System til dataoverfoering over det offentlige telefonnet DK452883A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH580382A CH659162A5 (de) 1982-10-01 1982-10-01 Anordnung fuer die datenuebertragung ueber das oeffentliche telefonnetz.

Publications (2)

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

Family

ID=4299560

Family Applications (1)

Application Number Title Priority Date Filing Date
DK452883A DK452883A (da) 1982-10-01 1983-09-30 System til dataoverfoering over det offentlige telefonnet

Country Status (6)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1187866B (it) * 1986-01-21 1987-12-23 Urmet Sud Costr Elett Telefon Sistema ed apparecchiatura per la telefonia pubblica con predisposizione all inserzione di terminali telefonici vari e di terminali telematici
FR2607343B1 (fr) * 1986-11-20 1989-03-10 Lesieur Philippe Dispositif de couplage d'un terminal telematique a un appareil telephonique a prepaiement et/ou a paiement differe
DE3741072A1 (de) * 1987-12-04 1989-06-15 Standard Elektrik Lorenz Ag Schaltungsanordnung zur erkennung eines ankommenden gespraeches in einem fernsprechapparat
US4926458A (en) * 1988-05-26 1990-05-15 Mars Incorporated Low power control apparatus for a coin operated telephone
CA2020574C (en) * 1989-07-08 1995-05-23 Morihiro Katsurada Communication charge manageable digital communication unit and a method of managing communication charge
US5276441A (en) * 1989-07-08 1994-01-04 Sharp Kabushiki Kaisha Communication charge manageable digital communication unit and a method of 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
FR2734115B1 (fr) * 1995-05-12 1997-08-01 Schlumberger Ind Sa Installation telephonique securisee
UA31306C2 (uk) * 1998-08-03 2001-05-15 Закрите Акціонерне Товариство "Промзв'Язок" Системний таксофонний комплекс

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1059923B (it) * 1976-04-27 1982-06-21 Cselt Centro Studi Lab Telecom Apparecchio telefonico a prepagamento con microcalcolatore

Also Published As

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

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