CH215254A - Pay phone for calls of various value levels. - Google Patents

Pay phone for calls of various value levels.

Info

Publication number
CH215254A
CH215254A CH215254DA CH215254A CH 215254 A CH215254 A CH 215254A CH 215254D A CH215254D A CH 215254DA CH 215254 A CH215254 A CH 215254A
Authority
CH
Switzerland
Prior art keywords
calls
value levels
various value
pay phone
pay
Prior art date
Application number
Other languages
German (de)
Inventor
E Zwie Telephon-Apparat-Fabrik
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 CH215254A publication Critical patent/CH215254A/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)
CH215254D 1938-12-10 1939-09-13 Pay phone for calls of various value levels. CH215254A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE215254X 1938-12-10

Publications (1)

Publication Number Publication Date
CH215254A true CH215254A (en) 1941-06-15

Family

ID=5823036

Family Applications (1)

Application Number Title Priority Date Filing Date
CH215254D CH215254A (en) 1938-12-10 1939-09-13 Pay phone for calls of various value levels.

Country Status (3)

Country Link
CH (1) CH215254A (en)
FR (1) FR865034A (en)
NL (1) NL52169C (en)

Also Published As

Publication number Publication date
NL52169C (en)
FR865034A (en) 1941-05-12

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