FR723681A - Prepaid telephone with collection magnet that comes into action when the called subscriber is announced - Google Patents

Prepaid telephone with collection magnet that comes into action when the called subscriber is announced

Info

Publication number
FR723681A
FR723681A FR723681DA FR723681A FR 723681 A FR723681 A FR 723681A FR 723681D A FR723681D A FR 723681DA FR 723681 A FR723681 A FR 723681A
Authority
FR
France
Prior art keywords
announced
comes
action
called subscriber
prepaid 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.)
Telephon Apparat Fabrik E Zwietusch and Co
Original Assignee
Telephon Apparat Fabrik E Zwietusch and Co
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 Telephon Apparat Fabrik E Zwietusch and Co filed Critical Telephon Apparat Fabrik E Zwietusch and Co
Application granted granted Critical
Publication of FR723681A publication Critical patent/FR723681A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Testing Of Coins (AREA)
  • Prepayment Telephone Systems (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
FR723681D 1930-10-12 1931-09-28 Prepaid telephone with collection magnet that comes into action when the called subscriber is announced Expired FR723681A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE565906T 1930-10-12

Publications (1)

Publication Number Publication Date
FR723681A true FR723681A (en) 1932-04-13

Family

ID=34559099

Family Applications (1)

Application Number Title Priority Date Filing Date
FR723681D Expired FR723681A (en) 1930-10-12 1931-09-28 Prepaid telephone with collection magnet that comes into action when the called subscriber is announced

Country Status (6)

Country Link
AT (1) AT130160B (en)
BE (1) BE383059A (en)
DE (1) DE565906C (en)
FR (1) FR723681A (en)
GB (1) GB376105A (en)
NL (1) NL32935C (en)

Also Published As

Publication number Publication date
GB376105A (en) 1932-07-07
BE383059A (en)
DE565906C (en) 1930-12-09
AT130160B (en) 1932-11-10
NL32935C (en)

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