CH214512A - Telephone system with pay phone. - Google Patents

Telephone system with pay phone.

Info

Publication number
CH214512A
CH214512A CH214512DA CH214512A CH 214512 A CH214512 A CH 214512A CH 214512D A CH214512D A CH 214512DA CH 214512 A CH214512 A CH 214512A
Authority
CH
Switzerland
Prior art keywords
telephone system
pay phone
pay
phone
telephone
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 CH214512A publication Critical patent/CH214512A/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)
CH214512D 1938-04-16 1939-04-15 Telephone system with pay phone. CH214512A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE214512X 1938-04-16

Publications (1)

Publication Number Publication Date
CH214512A true CH214512A (en) 1941-04-30

Family

ID=5819107

Family Applications (1)

Application Number Title Priority Date Filing Date
CH214512D CH214512A (en) 1938-04-16 1939-04-15 Telephone system with pay phone.

Country Status (3)

Country Link
US (1) US2289507A (en)
CH (1) CH214512A (en)
NL (1) NL51033C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL59590C (en) * 1939-08-04
US2889404A (en) * 1952-03-24 1959-06-02 Oglietti Giovanni Token-operated telephone for automatic local calls and automatic and manual long-distance calls
US3026982A (en) * 1956-02-13 1962-03-27 Brandt Automatic Cashier Co Coin sorter

Also Published As

Publication number Publication date
NL51033C (en)
US2289507A (en) 1942-07-14

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