NL7807862A - Munttelefooncelinrichting. - Google Patents

Munttelefooncelinrichting.

Info

Publication number
NL7807862A
NL7807862A NL7807862A NL7807862A NL7807862A NL 7807862 A NL7807862 A NL 7807862A NL 7807862 A NL7807862 A NL 7807862A NL 7807862 A NL7807862 A NL 7807862A NL 7807862 A NL7807862 A NL 7807862A
Authority
NL
Netherlands
Prior art keywords
cell device
phone cell
coin phone
coin
phone
Prior art date
Application number
NL7807862A
Other languages
English (en)
Dutch (nl)
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of NL7807862A publication Critical patent/NL7807862A/xx

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)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
NL7807862A 1977-07-27 1978-07-24 Munttelefooncelinrichting. NL7807862A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/819,244 US4124774A (en) 1977-07-27 1977-07-27 Telephone station coin memory and control system

Publications (1)

Publication Number Publication Date
NL7807862A true NL7807862A (nl) 1979-01-30

Family

ID=25227596

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7807862A NL7807862A (nl) 1977-07-27 1978-07-24 Munttelefooncelinrichting.

Country Status (9)

Country Link
US (1) US4124774A (fr)
JP (1) JPS5434604A (fr)
BE (1) BE869271A (fr)
CA (1) CA1105627A (fr)
DE (1) DE2832871A1 (fr)
FR (1) FR2399166A1 (fr)
GB (1) GB2002993A (fr)
NL (1) NL7807862A (fr)
SE (1) SE7807895L (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4206321A (en) * 1976-10-22 1980-06-03 Mcelliott Steve I Pay telephone alarm system with audit means
FR2420258A1 (fr) * 1978-03-14 1979-10-12 Serres Bernard Appareil analyseur de trafic de postes telephoniques publics
US4208549A (en) * 1978-06-29 1980-06-17 Bray Martin L Coin surveillance apparatus
US4595983A (en) * 1983-10-27 1986-06-17 Reliance Electric Company Central office powered credit only telephone paystation
US4599492A (en) * 1983-12-27 1986-07-08 David Otten Coin-telephone auditor
IT1179554B (it) * 1984-01-13 1987-09-16 Urmet Spa Gettoniera elettronica funzionante con monete di diverse pezzature e con gettoni particolarmente per uso telefonico pubblico
US4736444A (en) * 1986-02-14 1988-04-05 Tel-Tech Devices, Inc. Pay telephone monitoring system
US4926468A (en) * 1986-09-29 1990-05-15 Digital Telecommunications Systems, Inc. Pay station telephone coin box apparatus
US4821313A (en) * 1988-07-01 1989-04-11 Palco Telecom Inc. Paystation transmitter ground detect circuitry
US5007077A (en) * 1990-03-23 1991-04-09 Conway Engineering, Inc. Coin telephone message and management system
US5168518A (en) * 1991-10-10 1992-12-01 Boston Technology, Inc. Coin tone validator for telephone paystations
US5222122A (en) * 1992-03-31 1993-06-22 At&T Bell Laboratories Payphone having master and slave modes
US5978460A (en) * 1997-09-30 1999-11-02 Lucent Technologies Inc. Coin telephone data port protection
US6279823B1 (en) 1999-07-07 2001-08-28 Otc Telecom Corporation Telephone paystation coin receptacle cover

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2906823A (en) * 1956-11-13 1959-09-29 Bell Telephone Labor Inc Telephone pay station
US3814907A (en) * 1970-12-28 1974-06-04 Bell Telephone Labor Inc Coin operated telephone set employing electronic totalizer
DD95874A5 (fr) * 1971-05-05 1973-02-20
DE2142776A1 (de) * 1971-08-26 1973-03-08 Nsm Apparatebau Gmbh Kg Muenzbetaetigter automat
US3952160A (en) * 1974-11-14 1976-04-20 Bell Telephone Laboratories, Incorporated Coin telephone arrangement to obviate acoustically coupled fraud
JPS5194299A (en) * 1975-02-17 1976-08-18 Kaheino maisukeisusochi
US4028494A (en) * 1976-05-17 1977-06-07 Bell Telephone Laboratories, Incorporated Escrow telephone coin collection circuit and method
US4039768A (en) * 1976-05-26 1977-08-02 Maley James B O Pay telephone station monitor system
US4041243A (en) * 1976-09-20 1977-08-09 Bell Telephone Laboratories, Incorporated Coin box signaling arrangement

Also Published As

Publication number Publication date
GB2002993A (en) 1979-02-28
FR2399166A1 (fr) 1979-02-23
BE869271A (fr) 1978-11-16
JPS5434604A (en) 1979-03-14
DE2832871A1 (de) 1979-04-19
US4124774A (en) 1978-11-07
CA1105627A (fr) 1981-07-21
SE7807895L (sv) 1979-01-28

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BATV A request for search has been withdrawn
BV The patent application has lapsed