GB573329A - Improvements in and relating to a pre-payment telephone apparatus - Google Patents

Improvements in and relating to a pre-payment telephone apparatus

Info

Publication number
GB573329A
GB573329A GB19805/43A GB1980543A GB573329A GB 573329 A GB573329 A GB 573329A GB 19805/43 A GB19805/43 A GB 19805/43A GB 1980543 A GB1980543 A GB 1980543A GB 573329 A GB573329 A GB 573329A
Authority
GB
United Kingdom
Prior art keywords
cam
magnet
contact
loop
dialling
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB19805/43A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe des Compteurs de Geneve SODECO
Original Assignee
Societe des Compteurs de Geneve SODECO
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 Societe des Compteurs de Geneve SODECO filed Critical Societe des Compteurs de Geneve SODECO
Publication of GB573329A publication Critical patent/GB573329A/en
Expired legal-status Critical Current

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)
GB19805/43A 1942-11-18 1943-11-02 Improvements in and relating to a pre-payment telephone apparatus Expired GB573329A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH573329X 1942-11-18

Publications (1)

Publication Number Publication Date
GB573329A true GB573329A (en) 1945-11-15

Family

ID=4521058

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19805/43A Expired GB573329A (en) 1942-11-18 1943-11-02 Improvements in and relating to a pre-payment telephone apparatus

Country Status (2)

Country Link
CH (1) CH233308A (fr)
GB (1) GB573329A (fr)

Also Published As

Publication number Publication date
CH233308A (fr) 1944-07-15

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