ATE51973T1 - Selbstabstimmende niederfrequente phasenverschiebende muenzpruefmethode und vorrichtung. - Google Patents

Selbstabstimmende niederfrequente phasenverschiebende muenzpruefmethode und vorrichtung.

Info

Publication number
ATE51973T1
ATE51973T1 AT83305642T AT83305642T ATE51973T1 AT E51973 T1 ATE51973 T1 AT E51973T1 AT 83305642 T AT83305642 T AT 83305642T AT 83305642 T AT83305642 T AT 83305642T AT E51973 T1 ATE51973 T1 AT E51973T1
Authority
AT
Austria
Prior art keywords
low frequency
coin
self
frequency phase
valuation method
Prior art date
Application number
AT83305642T
Other languages
English (en)
Inventor
Frederic Paul Heiman
Original Assignee
Mars 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 Mars Inc filed Critical Mars Inc
Application granted granted Critical
Publication of ATE51973T1 publication Critical patent/ATE51973T1/de

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)
AT83305642T 1982-09-29 1983-09-22 Selbstabstimmende niederfrequente phasenverschiebende muenzpruefmethode und vorrichtung. ATE51973T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/428,467 US4493411A (en) 1982-09-29 1982-09-29 Self tuning low frequency phase shift coin examination method and apparatus
EP83305642A EP0110510B1 (de) 1982-09-29 1983-09-22 Selbstabstimmende niederfrequente phasenverschiebende Münzprüfmethode und -vorrichtung

Publications (1)

Publication Number Publication Date
ATE51973T1 true ATE51973T1 (de) 1990-04-15

Family

ID=23699016

Family Applications (1)

Application Number Title Priority Date Filing Date
AT83305642T ATE51973T1 (de) 1982-09-29 1983-09-22 Selbstabstimmende niederfrequente phasenverschiebende muenzpruefmethode und vorrichtung.

Country Status (8)

Country Link
US (1) US4493411A (de)
EP (1) EP0110510B1 (de)
JP (1) JPS5990188A (de)
AT (1) ATE51973T1 (de)
CA (1) CA1206225A (de)
DE (1) DE3381457D1 (de)
HK (1) HK69695A (de)
SG (1) SG4593G (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60262292A (ja) * 1984-06-08 1985-12-25 株式会社田村電機製作所 硬貨検査装置
CH664839A5 (de) * 1984-09-06 1988-03-31 Sodeco Compteurs De Geneve Einrichtung zur pruefung von muenzen verschiedener werte.
GB8500220D0 (en) * 1985-01-04 1985-02-13 Coin Controls Discriminating between metallic articles
US5133019A (en) * 1987-12-03 1992-07-21 Identigrade Systems and methods for illuminating and evaluating surfaces
US4899392A (en) * 1987-12-03 1990-02-06 Cing Corporation Method and system for objectively grading and identifying coins
US4998610A (en) * 1988-09-19 1991-03-12 Said Adil S Coin detector and counter
US4936435A (en) * 1988-10-11 1990-06-26 Unidynamics Corporation Coin validating apparatus and method
JPH0731324Y2 (ja) * 1989-04-21 1995-07-19 サンデン株式会社 硬貨判別装置
US5097934A (en) * 1990-03-09 1992-03-24 Automatic Toll Systems, Inc. Coin sensing apparatus
US5379875A (en) * 1992-07-17 1995-01-10 Eb Metal Industries, Inc. Coin discriminator and acceptor arrangement
US5579886A (en) * 1993-10-21 1996-12-03 Kabushiki Kaisha Nippon Conlux Coin processor
GB2359176B (en) * 2000-02-09 2002-08-28 Tetrel Ltd Coin validation arrangement
US20110001064A1 (en) * 2002-06-06 2011-01-06 Howard Letovsky Self tuning frequency generator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57278B2 (de) * 1972-09-08 1982-01-06
GB1443945A (en) * 1972-10-12 1976-07-28 Mars Inc Phase sensitive coin distrimination method and apparatus
FR2305809A1 (fr) * 1975-03-25 1976-10-22 Crouzet Sa Dispositif d'authentification de titres monetaires
JPS5375998A (en) * 1976-12-16 1978-07-05 Sanyo Jido Hanbaiki Kk Coin selecting device
US4349095A (en) * 1977-02-19 1982-09-14 P A Management Consultants Limited Coin discriminating apparatus
US4359148A (en) * 1980-10-28 1982-11-16 Third Wave Electronics Company, Inc. Coin acceptor or rejector
US4398626A (en) * 1981-08-21 1983-08-16 Mars, Inc. Low frequency phase shift coin examination method and apparatus

Also Published As

Publication number Publication date
HK69695A (en) 1995-05-12
EP0110510A2 (de) 1984-06-13
JPS5990188A (ja) 1984-05-24
SG4593G (en) 1993-05-21
CA1206225A (en) 1986-06-17
EP0110510B1 (de) 1990-04-11
DE3381457D1 (de) 1990-05-17
US4493411A (en) 1985-01-15
EP0110510A3 (en) 1985-09-18

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee