FR1213156A - Appareil téléphonique à payement préalable - Google Patents

Appareil téléphonique à payement préalable

Info

Publication number
FR1213156A
FR1213156A FR1213156DA FR1213156A FR 1213156 A FR1213156 A FR 1213156A FR 1213156D A FR1213156D A FR 1213156DA FR 1213156 A FR1213156 A FR 1213156A
Authority
FR
France
Prior art keywords
telephone device
prepayment telephone
prepayment
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
English (en)
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of FR1213156A publication Critical patent/FR1213156A/fr
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
    • 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
    • H04M17/023—Circuit arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Prepayment Telephone Systems (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
FR1213156D 1957-11-06 1958-11-04 Appareil téléphonique à payement préalable Expired FR1213156A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE852198X 1957-11-06

Publications (1)

Publication Number Publication Date
FR1213156A true FR1213156A (fr) 1960-03-29

Family

ID=20362688

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1213156D Expired FR1213156A (fr) 1957-11-06 1958-11-04 Appareil téléphonique à payement préalable

Country Status (4)

Country Link
US (1) US3069502A (fr)
DE (1) DE1090275B (fr)
FR (1) FR1213156A (fr)
GB (1) GB852198A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3428751A (en) * 1966-01-28 1969-02-18 Bell Telephone Labor Inc Coin telephone antifraud circuit
US4031324A (en) * 1976-05-24 1977-06-21 Bell Telephone Laboratories, Incorporated Automated coin arrangement providing interference free coin deposit detection during announcements
US4031325A (en) * 1976-06-21 1977-06-21 Bell Telephone Laboratories, Incorporated Called party fraud prevention in an automated coin system
US4046962A (en) * 1976-09-03 1977-09-06 Bell Telephone Laboratories, Incorporated Called party fraud detection in an automated coin system
US4076962A (en) * 1977-03-07 1978-02-28 Bell Telephone Laboratories, Incorporated Method and apparatus for receiving disparate sequences of spaced tone bursts

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1386701A (en) * 1916-08-14 1921-08-09 Western Electric Co Coin-collect system
US2020466A (en) * 1932-09-29 1935-11-12 Western Electric Co Telephone system
NL43570C (fr) * 1935-02-21
US2251301A (en) * 1938-11-04 1941-08-05 Fides Ges Fur Verwaltung Und V Telephone system
BE484853A (fr) * 1947-09-15
US2681386A (en) * 1948-07-13 1954-06-15 Automatic Telephone & Elect Electrical signaling system using nonlinear resistors for control
US2676209A (en) * 1949-09-01 1954-04-20 Bell Telephone Labor Inc Coin-controlled telephone system in which tariff rates for telephone calls are audibly transmitted automatically to a calling subscriber
BE512760A (fr) * 1951-07-13
US2819343A (en) * 1953-08-06 1958-01-07 Gen Telephone Lab Inc Coin counter and discriminator
BE535538A (fr) * 1954-02-18
NL96910C (fr) * 1954-10-25
US2817709A (en) * 1954-11-17 1957-12-24 Ericsson Telefon Ab L M Coin box for two or three kinds of coin

Also Published As

Publication number Publication date
DE1090275B (de) 1960-10-06
GB852198A (en) 1960-10-26
US3069502A (en) 1962-12-18

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