CH600713A5 - - Google Patents

Info

Publication number
CH600713A5
CH600713A5 CH933076A CH933076A CH600713A5 CH 600713 A5 CH600713 A5 CH 600713A5 CH 933076 A CH933076 A CH 933076A CH 933076 A CH933076 A CH 933076A CH 600713 A5 CH600713 A5 CH 600713A5
Authority
CH
Switzerland
Application number
CH933076A
Inventor
Giovanni Frola
Giovanni Perucca
Original Assignee
Cselt Centro Studi Lab Telecom
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 Cselt Centro Studi Lab Telecom filed Critical Cselt Centro Studi Lab Telecom
Publication of CH600713A5 publication Critical patent/CH600713A5/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Prepayment Telephone Systems (AREA)
CH933076A 1975-07-23 1976-07-21 CH600713A5 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT6891675A IT1041336B (it) 1975-07-23 1975-07-23 Apparecchio telefonico a prepagamento per servizio urbano e interurbano

Publications (1)

Publication Number Publication Date
CH600713A5 true CH600713A5 (da) 1978-06-30

Family

ID=11310911

Family Applications (1)

Application Number Title Priority Date Filing Date
CH933076A CH600713A5 (da) 1975-07-23 1976-07-21

Country Status (4)

Country Link
AT (1) AT360595B (da)
CH (1) CH600713A5 (da)
DE (1) DE2631899C2 (da)
IT (1) IT1041336B (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4141001C2 (de) * 1991-12-12 2001-08-16 Siemens Ag Aufhängevorrichtung für einen Handapparat eines Münzfernsprechers
CN105847616A (zh) * 2016-03-29 2016-08-10 苏州玄禾物联网科技有限公司 一种投币式公用电话机
CN105847615A (zh) * 2016-03-29 2016-08-10 苏州玄禾物联网科技有限公司 一种视频公用电话机

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1080626B (de) * 1959-02-10 1960-04-28 Standard Elektrik Lorenz Ag Schaltungsanordnung fuer Muenzfernsprecher
DE1189159B (de) * 1963-11-14 1965-03-18 Siemens Ag Schaltungsanordnung zur Ausnuetzung des angezeigten Restbetrages in Muenzfernsprechern fuer weitere Verbindungen
DE1537799A1 (de) * 1966-11-14 1970-04-09 Nippon Telegraph & Telephone Muenzfernsprecher fuer Orts- und Fernwahl
JPS515730B1 (da) * 1970-10-26 1976-02-23
DE2052722A1 (de) * 1970-10-27 1972-05-04 Siemens AG, 1000 Berlin u. 8000 München Anordnung an Selbstverkäufern, z.B. Münzfernsprechern, zur Verhinderung der Betrugsmöglichkeit durch Verstopfen des Einfallkanals zum Münzrückgabebecher

Also Published As

Publication number Publication date
DE2631899C2 (de) 1982-11-25
IT1041336B (it) 1980-01-10
ATA516476A (de) 1980-06-15
DE2631899A1 (de) 1977-01-27
AT360595B (de) 1981-01-26

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Legal Events

Date Code Title Description
PL Patent ceased