CH233308A - Telephone device with advance payment. - Google Patents

Telephone device with advance payment.

Info

Publication number
CH233308A
CH233308A CH233308DA CH233308A CH 233308 A CH233308 A CH 233308A CH 233308D A CH233308D A CH 233308DA CH 233308 A CH233308 A CH 233308A
Authority
CH
Switzerland
Prior art keywords
telephone device
advance payment
payment
advance
telephone
Prior art date
Application number
Other languages
French (fr)
Inventor
Sodeco Societe Des Comp Geneve
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 CH233308A publication Critical patent/CH233308A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Prepayment Telephone Systems (AREA)
CH233308D 1942-11-18 1942-11-18 Telephone device with advance payment. CH233308A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH233308A true CH233308A (en) 1944-07-15

Family

ID=4521058

Family Applications (1)

Application Number Title Priority Date Filing Date
CH233308D CH233308A (en) 1942-11-18 1942-11-18 Telephone device with advance payment.

Country Status (2)

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

Also Published As

Publication number Publication date
GB573329A (en) 1945-11-15

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