GB447106A - Improvements in telephone systems and pay stations for use therein - Google Patents

Improvements in telephone systems and pay stations for use therein

Info

Publication number
GB447106A
GB447106A GB33185/35A GB3318535A GB447106A GB 447106 A GB447106 A GB 447106A GB 33185/35 A GB33185/35 A GB 33185/35A GB 3318535 A GB3318535 A GB 3318535A GB 447106 A GB447106 A GB 447106A
Authority
GB
United Kingdom
Prior art keywords
relay
switch
energizes
wire
coins
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
GB33185/35A
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.)
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
Publication of GB447106A publication Critical patent/GB447106A/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
    • H04M17/023—Circuit arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Meter Arrangements (AREA)
  • Prepayment Telephone Systems (AREA)
GB33185/35A 1935-02-21 1935-11-29 Improvements in telephone systems and pay stations for use therein Expired GB447106A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE447106X 1935-02-21

Publications (1)

Publication Number Publication Date
GB447106A true GB447106A (en) 1936-05-12

Family

ID=6537971

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33185/35A Expired GB447106A (en) 1935-02-21 1935-11-29 Improvements in telephone systems and pay stations for use therein

Country Status (4)

Country Link
US (1) US2082561A (enrdf_load_stackoverflow)
FR (1) FR799372A (enrdf_load_stackoverflow)
GB (1) GB447106A (enrdf_load_stackoverflow)
NL (2) NL43570C (enrdf_load_stackoverflow)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2663398A (en) * 1946-10-14 1953-12-22 Punch Engineering Pty Ltd Article vending system
BE484853A (enrdf_load_stackoverflow) * 1947-09-15
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
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
US2881254A (en) * 1953-04-27 1959-04-07 Gen Telephone Lab Inc Postpay paystation with coin control circuit
US2848542A (en) * 1954-02-17 1958-08-19 Ericsson Telefon Ab L M Coin boxes
GB852198A (en) * 1957-11-06 1960-10-26 Ericsson Telefon Ab L M Improvements in or relating to apparatus for sending signals indicative of the values of coins inserted into a coin operated telephone instrument, to a control device inan automatic telephone exchange
US3116370A (en) * 1959-05-05 1963-12-31 Bell Telephone Labor Inc Telephone pay station

Also Published As

Publication number Publication date
NL44937C (enrdf_load_stackoverflow)
NL43570C (enrdf_load_stackoverflow)
FR799372A (fr) 1936-06-11
US2082561A (en) 1937-06-01

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