AU661243B2 - Method and apparatus for testing coins - Google Patents

Method and apparatus for testing coins Download PDF

Info

Publication number
AU661243B2
AU661243B2 AU28717/92A AU2871792A AU661243B2 AU 661243 B2 AU661243 B2 AU 661243B2 AU 28717/92 A AU28717/92 A AU 28717/92A AU 2871792 A AU2871792 A AU 2871792A AU 661243 B2 AU661243 B2 AU 661243B2
Authority
AU
Australia
Prior art keywords
coin
reactance
inductor
loss
signal
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.)
Ceased
Application number
AU28717/92A
Other languages
English (en)
Other versions
AU2871792A (en
Inventor
John William Bailey
Michael Chittleborough
David Michael Furneaux
Alan Ralph
Cary Sagady
Timothy Peter Waite
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.)
Mars Inc
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
Priority claimed from US07/868,551 external-priority patent/US5213190A/en
Application filed by Mars Inc filed Critical Mars Inc
Publication of AU2871792A publication Critical patent/AU2871792A/en
Application granted granted Critical
Publication of AU661243B2 publication Critical patent/AU661243B2/en
Anticipated expiration legal-status Critical
Ceased 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)
  • Measurement Of Resistance Or Impedance (AREA)
  • Basic Packing Technique (AREA)
AU28717/92A 1992-04-14 1992-10-15 Method and apparatus for testing coins Ceased AU661243B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US868551 1992-04-14
US07/868,551 US5213190A (en) 1991-04-15 1992-04-14 Method and apparatus for testing coins
PCT/US1992/008783 WO1993021608A1 (en) 1992-04-14 1992-10-15 Method and apparatus for testing coins

Publications (2)

Publication Number Publication Date
AU2871792A AU2871792A (en) 1993-11-18
AU661243B2 true AU661243B2 (en) 1995-07-13

Family

ID=25351909

Family Applications (1)

Application Number Title Priority Date Filing Date
AU28717/92A Ceased AU661243B2 (en) 1992-04-14 1992-10-15 Method and apparatus for testing coins

Country Status (6)

Country Link
EP (1) EP0603340B1 (de)
JP (1) JP2966933B2 (de)
AU (1) AU661243B2 (de)
DE (1) DE69206809T2 (de)
ES (1) ES2080521T3 (de)
WO (1) WO1993021608A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2170678B1 (es) * 2000-06-30 2003-09-16 Azkoyen Medios De Pago Sa Metodo y aparato de obtencion de caracteristicas fisicas de monedas para su identificacion.
US9922487B2 (en) 2013-09-11 2018-03-20 Sigma Metalytics, Llc Device for use in detecting counterfeit or altered bullion, coins or metal
US10417855B2 (en) 2016-01-18 2019-09-17 Sigma Metalytics LLC Systems and methods for detecting fake or altered bullion, coins, and metal
CN109900748B (zh) * 2019-04-24 2021-06-08 武汉市新宜电器设备制造有限公司 一种基于电阻测量的安防维稳物件的识别方法及装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3749220A (en) * 1971-10-06 1973-07-31 Anritsu Electric Co Ltd Coin discriminating apparatus
JPS56126769A (en) * 1980-03-11 1981-10-05 Yokogawa Hewlett Packard Ltd Impedance meter
ZA821411B (en) * 1981-03-19 1983-02-23 Aeronautical General Instr Coin validation apparatus
JPH01226093A (ja) * 1988-03-07 1989-09-08 Mitsubishi Heavy Ind Ltd 硬貨判別装置
JPH0745809Y2 (ja) * 1989-04-19 1995-10-18 三菱重工業株式会社 硬貨判別装置
GB2254948B (en) * 1991-04-15 1995-03-08 Mars Inc Apparatus and method for testing coins

Also Published As

Publication number Publication date
DE69206809D1 (de) 1996-01-25
EP0603340A4 (de) 1994-10-19
ES2080521T3 (es) 1996-02-01
DE69206809T2 (de) 1996-07-25
JPH06509673A (ja) 1994-10-27
AU2871792A (en) 1993-11-18
EP0603340B1 (de) 1995-12-13
JP2966933B2 (ja) 1999-10-25
EP0603340A1 (de) 1994-06-29
WO1993021608A1 (en) 1993-10-28

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