GB1401363A - Electronic coin tester - Google Patents

Electronic coin tester

Info

Publication number
GB1401363A
GB1401363A GB3034372A GB3034372A GB1401363A GB 1401363 A GB1401363 A GB 1401363A GB 3034372 A GB3034372 A GB 3034372A GB 3034372 A GB3034372 A GB 3034372A GB 1401363 A GB1401363 A GB 1401363A
Authority
GB
United Kingdom
Prior art keywords
field winding
coin
windings
peak
peaks
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
GB3034372A
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 GB1401363A publication Critical patent/GB1401363A/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
    • G07D5/08—Testing the magnetic or electric properties

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Coins (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
GB3034372A 1971-07-07 1972-06-28 Electronic coin tester Expired GB1401363A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712133725 DE2133725A1 (de) 1971-07-07 1971-07-07 Elektronischer muenzpruefer

Publications (1)

Publication Number Publication Date
GB1401363A true GB1401363A (en) 1975-07-16

Family

ID=5812896

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3034372A Expired GB1401363A (en) 1971-07-07 1972-06-28 Electronic coin tester

Country Status (6)

Country Link
JP (1) JPS5517998B1 (de)
CH (1) CH538742A (de)
DE (1) DE2133725A1 (de)
FR (1) FR2144698B1 (de)
GB (1) GB1401363A (de)
IT (1) IT960567B (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124111A (en) * 1975-12-02 1978-11-07 Nippon Coinco Co. Ltd. Coin inspecting apparatus
GB2165650A (en) * 1984-04-09 1986-04-16 Dennis Amerena Parker Method and apparatus for the quantative and qualitative measurement of small metal particles
EP0202378A2 (de) * 1985-05-17 1986-11-26 Matsushita Electric Industrial Co., Ltd. Münzauswahlvorrichtung
GB2184279A (en) * 1985-12-13 1987-06-17 Jofemar Sa Electronic coin selector
US5244070A (en) * 1992-03-04 1993-09-14 Duncan Industries Parking Control Systems Corp. Dual coil coin sensing apparatus
US5273151A (en) * 1992-03-23 1993-12-28 Duncan Industries Parking Control Systems Corp. Resonant coil coin detection apparatus
US6227343B1 (en) 1999-03-30 2001-05-08 Millenium Enterprises Ltd. Dual coil coin identifier

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2538934A1 (fr) * 1982-12-30 1984-07-06 Flonic Sa Dispositif de controle de l'authenticite de pieces de monnaie
JPS63205471A (ja) * 1987-02-19 1988-08-24 Sanden Corp 容量可変圧縮機

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4124111A (en) * 1975-12-02 1978-11-07 Nippon Coinco Co. Ltd. Coin inspecting apparatus
GB2165650A (en) * 1984-04-09 1986-04-16 Dennis Amerena Parker Method and apparatus for the quantative and qualitative measurement of small metal particles
EP0202378A2 (de) * 1985-05-17 1986-11-26 Matsushita Electric Industrial Co., Ltd. Münzauswahlvorrichtung
EP0202378A3 (en) * 1985-05-17 1987-08-19 Matsushita Electric Industrial Co., Ltd. Coin selection apparatus
GB2184279A (en) * 1985-12-13 1987-06-17 Jofemar Sa Electronic coin selector
GB2184279B (en) * 1985-12-13 1989-11-15 Jofemar Sa Electronic coin selector
US5244070A (en) * 1992-03-04 1993-09-14 Duncan Industries Parking Control Systems Corp. Dual coil coin sensing apparatus
US5273151A (en) * 1992-03-23 1993-12-28 Duncan Industries Parking Control Systems Corp. Resonant coil coin detection apparatus
US6227343B1 (en) 1999-03-30 2001-05-08 Millenium Enterprises Ltd. Dual coil coin identifier

Also Published As

Publication number Publication date
IT960567B (it) 1973-11-30
CH538742A (de) 1973-06-30
FR2144698B1 (de) 1976-08-06
JPS5517998B1 (de) 1980-05-15
FR2144698A1 (de) 1973-02-16
DE2133725A1 (de) 1973-01-25

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees