GB765822A - Coin identifying circuit - Google Patents

Coin identifying circuit

Info

Publication number
GB765822A
GB765822A GB2114/55A GB211455A GB765822A GB 765822 A GB765822 A GB 765822A GB 2114/55 A GB2114/55 A GB 2114/55A GB 211455 A GB211455 A GB 211455A GB 765822 A GB765822 A GB 765822A
Authority
GB
United Kingdom
Prior art keywords
coin
oscillator
resistor
springs
current
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
GB2114/55A
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.)
Automatic Electric Laboratories Inc
Original Assignee
Automatic Electric Laboratories Inc
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 Automatic Electric Laboratories Inc filed Critical Automatic Electric Laboratories Inc
Publication of GB765822A publication Critical patent/GB765822A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D5/00—Testing specially adapted to determine the identity or genuineness of coins, e.g. for segregating coins which are unacceptable or alien to a currency
    • 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
    • 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
    • H04M17/026—Constructional features

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Telephonic Communication Services (AREA)
GB2114/55A 1954-02-18 1955-01-24 Coin identifying circuit Expired GB765822A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US411209A US2856460A (en) 1954-02-18 1954-02-18 Coin identifying circuit

Publications (1)

Publication Number Publication Date
GB765822A true GB765822A (en) 1957-01-16

Family

ID=23628029

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2114/55A Expired GB765822A (en) 1954-02-18 1955-01-24 Coin identifying circuit

Country Status (5)

Country Link
US (1) US2856460A (enExample)
BE (1) BE535538A (enExample)
DE (1) DE1008786B (enExample)
FR (1) FR1122266A (enExample)
GB (1) GB765822A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2928119A (en) * 1956-12-10 1960-03-15 James C Heintz Company Tire handling apparatus for retreading molds
US3023275A (en) * 1957-06-25 1962-02-27 Ass Automation Ltd Coin collectors for telecommunication services
DE1068310B (de) * 1957-06-25 1959-11-05 Associated Automation Limited, London Münzautomat für Fernmelde-, insbesondere Fernsprechanlagen
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
US3091663A (en) * 1960-12-20 1963-05-28 Bell Telephone Labor Inc Coin box telemetering arrangement
US3423533A (en) * 1964-11-19 1969-01-21 Teletek Inc Coin annunciator for telephone pay stations

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1792651A (en) * 1927-12-29 1931-02-17 Siemens Ag Class signaling for telephone systems
DE570938C (de) * 1927-12-29 1933-02-21 Siemens & Halske Akt Ges Schaltungsanordnung fuer Fernsprechanlagen mit Sprechstellen, die mit Selbstbelastungseinrichtungen versehen sind
US2782259A (en) * 1953-12-23 1957-02-19 Bell Telephone Labor Inc Calling subscriber identifier using transistor oscillator in subsets

Also Published As

Publication number Publication date
DE1008786B (de) 1957-05-23
US2856460A (en) 1958-10-14
BE535538A (enExample)
FR1122266A (fr) 1956-09-04

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