FR653185A - Coin-operated telephone with automatic establishment of communications - Google Patents

Coin-operated telephone with automatic establishment of communications

Info

Publication number
FR653185A
FR653185A FR653185DA FR653185A FR 653185 A FR653185 A FR 653185A FR 653185D A FR653185D A FR 653185DA FR 653185 A FR653185 A FR 653185A
Authority
FR
France
Prior art keywords
coin
communications
automatic establishment
operated telephone
telephone
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
Other languages
French (fr)
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
Siemens AG
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 Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Application granted granted Critical
Publication of FR653185A publication Critical patent/FR653185A/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
    • H04M17/026—Constructional features

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
FR653185D 1927-12-05 1928-04-21 Coin-operated telephone with automatic establishment of communications Expired FR653185A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE653185X 1927-12-05

Publications (1)

Publication Number Publication Date
FR653185A true FR653185A (en) 1929-03-18

Family

ID=6581787

Family Applications (1)

Application Number Title Priority Date Filing Date
FR653185D Expired FR653185A (en) 1927-12-05 1928-04-21 Coin-operated telephone with automatic establishment of communications

Country Status (3)

Country Link
BE (1) BE350727A (en)
FR (1) FR653185A (en)
NL (1) NL25670C (en)

Also Published As

Publication number Publication date
NL25670C (en)
BE350727A (en)

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