GB412177A - Improvements in telephone systems - Google Patents

Improvements in telephone systems

Info

Publication number
GB412177A
GB412177A GB35728/32A GB3572832A GB412177A GB 412177 A GB412177 A GB 412177A GB 35728/32 A GB35728/32 A GB 35728/32A GB 3572832 A GB3572832 A GB 3572832A GB 412177 A GB412177 A GB 412177A
Authority
GB
United Kingdom
Prior art keywords
digit
registers
jzr
fee
energizes
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
GB35728/32A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB412177A publication Critical patent/GB412177A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B13/00—Taximeters
    • G07B13/005—Taximeters operating mechanically
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Prepayment Telephone Systems (AREA)
GB35728/32A 1931-12-18 1932-12-16 Improvements in telephone systems Expired GB412177A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE412177X 1909-11-08

Publications (1)

Publication Number Publication Date
GB412177A true GB412177A (en) 1934-06-18

Family

ID=6435187

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35728/32A Expired GB412177A (en) 1931-12-18 1932-12-16 Improvements in telephone systems

Country Status (4)

Country Link
US (1) US2000804A (enrdf_load_stackoverflow)
FR (2) FR412177A (enrdf_load_stackoverflow)
GB (1) GB412177A (enrdf_load_stackoverflow)
NL (2) NL36117C (enrdf_load_stackoverflow)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE484853A (enrdf_load_stackoverflow) * 1947-09-15
US2703640A (en) * 1949-02-15 1955-03-08 Comm Engineering Pty Ltd Coin-operated apticle dispensing system
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
US2769023A (en) * 1950-01-19 1956-10-30 Internat Telemeter Corp Prepaid entertainment distribution system
US2839173A (en) * 1950-01-19 1958-06-17 Internat Telemeter Corp Prepaid entertainment distribution system
US2769024A (en) * 1950-10-09 1956-10-30 Internat Telementer Corp Television control system
BE508329A (enrdf_load_stackoverflow) * 1951-01-15
US2769026A (en) * 1951-05-10 1956-10-30 Internat Telemeter Corp Prepaid entertainment distribution system
US2843654A (en) * 1951-12-01 1958-07-15 Internat Telemeter Corp Subscription television system using land line
US2843655A (en) * 1951-12-03 1958-07-15 Internat Telemeter Corp Subscription television with scrambled transmission and marquee and barker
US2761900A (en) * 1952-07-17 1956-09-04 Bell Telephone Labor Inc Telephone system of the coin controlled type
US2800988A (en) * 1952-09-12 1957-07-30 Ross L Timms Coin and key controlled vending apparatus for merchandise and services
US2811583A (en) * 1952-09-12 1957-10-29 Serv Kraft Inc Remotely controlled vending apparatus
US2765366A (en) * 1952-09-26 1956-10-02 Bell Telephone Labor Inc Fraudulent ground corrective for coin collector circuit
US2881254A (en) * 1953-04-27 1959-04-07 Gen Telephone Lab Inc Postpay paystation with coin control circuit
US2819343A (en) * 1953-08-06 1958-01-07 Gen Telephone Lab Inc Coin counter and discriminator
US2846507A (en) * 1954-06-03 1958-08-05 Bell Telephone Labor Inc Pay station telephone system
US3169167A (en) * 1956-06-13 1965-02-09 Bell Telephone Labor Inc Telephone pay station
US2906823A (en) * 1956-11-13 1959-09-29 Bell Telephone Labor Inc Telephone pay station
US2977419A (en) * 1956-12-24 1961-03-28 Bell Telephone Labor Inc Telephone pay station
US3116370A (en) * 1959-05-05 1963-12-31 Bell Telephone Labor Inc Telephone pay station
US3221101A (en) * 1961-02-20 1965-11-30 Comm Equipment & Engr Co Telephone systems and the like

Also Published As

Publication number Publication date
FR747631A (fr) 1933-06-20
US2000804A (en) 1935-05-07
NL36117C (enrdf_load_stackoverflow)
NL34940C (enrdf_load_stackoverflow)
FR412177A (fr) 1910-07-06

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