CH236495A - Payphones, in particular for network group traffic. - Google Patents

Payphones, in particular for network group traffic.

Info

Publication number
CH236495A
CH236495A CH236495DA CH236495A CH 236495 A CH236495 A CH 236495A CH 236495D A CH236495D A CH 236495DA CH 236495 A CH236495 A CH 236495A
Authority
CH
Switzerland
Prior art keywords
payphones
network group
group traffic
traffic
network
Prior art date
Application number
Other languages
German (de)
Inventor
Telephon-Apparat-Fabrik E Gmbh
Original Assignee
Zwietusch E & Co Gmbh
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 Zwietusch E & Co Gmbh filed Critical Zwietusch E & Co Gmbh
Publication of CH236495A publication Critical patent/CH236495A/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
    • H04M17/026—Constructional features
    • 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)
CH236495D 1942-04-23 1943-04-15 Payphones, in particular for network group traffic. CH236495A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE236495X 1942-04-23

Publications (1)

Publication Number Publication Date
CH236495A true CH236495A (en) 1945-02-15

Family

ID=5902133

Family Applications (1)

Application Number Title Priority Date Filing Date
CH236495D CH236495A (en) 1942-04-23 1943-04-15 Payphones, in particular for network group traffic.

Country Status (3)

Country Link
BE (1) BE450637A (en)
CH (1) CH236495A (en)
FR (1) FR894150A (en)

Also Published As

Publication number Publication date
FR894150A (en) 1944-12-14
BE450637A (en)

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