CA2302922A1 - Dual coil coin identifier - Google Patents

Dual coil coin identifier Download PDF

Info

Publication number
CA2302922A1
CA2302922A1 CA002302922A CA2302922A CA2302922A1 CA 2302922 A1 CA2302922 A1 CA 2302922A1 CA 002302922 A CA002302922 A CA 002302922A CA 2302922 A CA2302922 A CA 2302922A CA 2302922 A1 CA2302922 A1 CA 2302922A1
Authority
CA
Canada
Prior art keywords
coin
chute
oscillator
coil arrangement
coil
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.)
Granted
Application number
CA002302922A
Other languages
French (fr)
Other versions
CA2302922C (en
Inventor
Graham Neathway
Bill Kiss
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.)
Millenium Enterprises Ltd
Original Assignee
Millenium Enterprises Ltd.
Graham Neathway
Bill Kiss
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 Millenium Enterprises Ltd., Graham Neathway, Bill Kiss filed Critical Millenium Enterprises Ltd.
Publication of CA2302922A1 publication Critical patent/CA2302922A1/en
Application granted granted Critical
Publication of CA2302922C publication Critical patent/CA2302922C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Abstract

The coin identification device comprises a gravity fed chute structure having an opening for receiving a coin to be identified, walls to guide the coin as it moves through the chute and an opening for the coin to exit. A wake-up circuit with sensing coils mounted near the chute opening provides an output signal when the presence of a coin is detected. Two coin sensing circuits, each having an oscillator with a particular coil arrangement are used to sense the characteristics of the coin passing through them. The first coin sensing circuit includes a coil arrangement having a coil mounted on the chute with its axis in the direction of the coin path such that the coin will pass through it and forming part of a first oscillator to create lines of flux parallel to the coin path. The second coin sensing circuit includes a coil arrangement having a coil mounted on a U-shaped core with two substantially parallel legs connected at one end by an arm that is mounted about the chute to have the coin pass in the gap between the core legs. The second coil arrangement forms part of a second oscillator to create lines of flux perpendicular to the plane of the coin passing through the chute. The first and second oscillators are adapted to oscillate at one or more base frequencies. The frequency shift of the first oscillator is measured as the coin passes through the first magnetic field and the frequency shift of the second oscillator is measured as the coin passes through the second magnetic field to generate signatures of the coin characteristics. A
microprocessor compares the generated signatures to known coin signatures to identity of the coin.
CA002302922A 1999-03-30 2000-03-29 Dual coil coin identifier Expired - Fee Related CA2302922C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/281,607 US6227343B1 (en) 1999-03-30 1999-03-30 Dual coil coin identifier
US09/281,607 1999-03-30

Publications (2)

Publication Number Publication Date
CA2302922A1 true CA2302922A1 (en) 2000-09-30
CA2302922C CA2302922C (en) 2004-01-20

Family

ID=23078016

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002302922A Expired - Fee Related CA2302922C (en) 1999-03-30 2000-03-29 Dual coil coin identifier

Country Status (10)

Country Link
US (1) US6227343B1 (en)
CN (1) CN1346480A (en)
AU (1) AU3546300A (en)
CA (1) CA2302922C (en)
GB (1) GB2350465B (en)
HK (1) HK1045582A1 (en)
MY (1) MY129679A (en)
TW (1) TW420793B (en)
WO (1) WO2000060550A1 (en)
ZA (1) ZA200001594B (en)

Cited By (3)

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US9842455B2 (en) 2011-03-03 2017-12-12 J.J. Mackay Canada Limited Single space parking meter and removable single space parking meter mechanism
USD863076S1 (en) 2015-10-16 2019-10-15 J. J. Mackay Canada Limited Parking meter
US10573953B2 (en) 2008-12-23 2020-02-25 J.J. Mackay Canada Limited Single space wireless parking with improved antenna placements

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10573953B2 (en) 2008-12-23 2020-02-25 J.J. Mackay Canada Limited Single space wireless parking with improved antenna placements
US11670835B2 (en) 2008-12-23 2023-06-06 J.J Mackay Canada Limited Single space wireless parking with improved antenna placements
US10998612B2 (en) 2008-12-23 2021-05-04 J.J. Mackay Canada Limited Single space wireless parking with improved antenna placements
US9934645B2 (en) 2011-03-03 2018-04-03 J.J. Mackay Canada Limited Parking meter with contactless payment
US10424147B2 (en) 2011-03-03 2019-09-24 J.J. Mackay Canada Limited Parking meter with contactless payment
US9842455B2 (en) 2011-03-03 2017-12-12 J.J. Mackay Canada Limited Single space parking meter and removable single space parking meter mechanism
US11699321B2 (en) 2011-03-03 2023-07-11 J.J Mackay Canada Limited Parking meter with contactless payment
US10861278B2 (en) 2011-03-03 2020-12-08 J.J. Mackay Canada Limited Parking meter with contactless payment
USD863076S1 (en) 2015-10-16 2019-10-15 J. J. Mackay Canada Limited Parking meter
USD863987S1 (en) 2015-10-16 2019-10-22 J.J. Mackay Canada Limited Parking meter
USD863988S1 (en) 2015-10-16 2019-10-22 J.J. Mackay Canada Limited Parking meter
USD863075S1 (en) 2015-10-16 2019-10-15 J.J. Mackay Canada Limited Parking meter
USD863074S1 (en) 2015-10-16 2019-10-15 J. J. Mackay Canada Limited Parking meter

Also Published As

Publication number Publication date
AU3546300A (en) 2000-10-23
ZA200001594B (en) 2000-11-02
GB0007032D0 (en) 2000-05-10
TW420793B (en) 2001-02-01
MY129679A (en) 2007-04-30
HK1045582A1 (en) 2002-11-29
GB2350465A (en) 2000-11-29
US6227343B1 (en) 2001-05-08
CN1346480A (en) 2002-04-24
CA2302922C (en) 2004-01-20
WO2000060550A1 (en) 2000-10-12
GB2350465B (en) 2003-09-10

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Legal Events

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EEER Examination request
MKLA Lapsed

Effective date: 20160329