FR780465A - Improvements to prepaid or metering telephones - Google Patents

Improvements to prepaid or metering telephones

Info

Publication number
FR780465A
FR780465A FR780465DA FR780465A FR 780465 A FR780465 A FR 780465A FR 780465D A FR780465D A FR 780465DA FR 780465 A FR780465 A FR 780465A
Authority
FR
France
Prior art keywords
prepaid
telephones
metering
metering telephones
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.)
Compagnie des Telephones Thomson Houston
Original Assignee
Compagnie des Telephones Thomson Houston
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 Compagnie des Telephones Thomson Houston filed Critical Compagnie des Telephones Thomson Houston
Application granted granted Critical
Publication of FR780465A publication Critical patent/FR780465A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/28—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal
    • H04M15/30—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP with meter at substation or with calculation of charges at terminal the meter or calculation of charges not being controlled from an exchange
    • 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)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Telephonic Communication Services (AREA)
FR780465D 1933-11-20 1934-10-30 Improvements to prepaid or metering telephones Expired FR780465A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US698772A US2137409A (en) 1933-11-20 1933-11-20 Substation telephone circuit

Publications (1)

Publication Number Publication Date
FR780465A true FR780465A (en) 1935-04-26

Family

ID=24806604

Family Applications (1)

Application Number Title Priority Date Filing Date
FR780465D Expired FR780465A (en) 1933-11-20 1934-10-30 Improvements to prepaid or metering telephones

Country Status (2)

Country Link
US (1) US2137409A (en)
FR (1) FR780465A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733295A (en) * 1956-01-31 lomax
GB529650A (en) * 1939-05-24 1940-11-26 Standard Telephones Cables Ltd Improvements in or relating to electric signalling systems
US2583783A (en) * 1948-02-03 1952-01-29 Automatic Elect Lab Pay station circuits for automatic telephone systems
US2520644A (en) * 1948-02-27 1950-08-29 Automatic Elect Lab Repeater switching telephone system
US2750447A (en) * 1951-05-31 1956-06-12 Automatic Elect Lab Paystation telephone system
US2707724A (en) * 1952-10-07 1955-05-03 Automatic Elect Lab Coin control circuit for postpay telephone paystations
US2820847A (en) * 1953-05-14 1958-01-21 Gen Telephone Lab Inc Reverse battery paystation
US2817709A (en) * 1954-11-17 1957-12-24 Ericsson Telefon Ab L M Coin box for two or three kinds of coin
US2938953A (en) * 1957-01-31 1960-05-31 Gen Dynamics Corp Paystation adapter for telephone systems
CA871833A (en) * 1969-12-11 1971-05-25 Northern Electric Company Limited Telephone paystation

Also Published As

Publication number Publication date
US2137409A (en) 1938-11-22

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