EP0781439B2 - Apparatus for validating items of value, and method of calibrating such apparatus - Google Patents

Apparatus for validating items of value, and method of calibrating such apparatus Download PDF

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Publication number
EP0781439B2
EP0781439B2 EP95930665A EP95930665A EP0781439B2 EP 0781439 B2 EP0781439 B2 EP 0781439B2 EP 95930665 A EP95930665 A EP 95930665A EP 95930665 A EP95930665 A EP 95930665A EP 0781439 B2 EP0781439 B2 EP 0781439B2
Authority
EP
European Patent Office
Prior art keywords
measurements
measurement
items
data
acceptability data
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 - Lifetime
Application number
EP95930665A
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German (de)
English (en)
French (fr)
Other versions
EP0781439B1 (en
EP0781439A1 (en
Inventor
Gregory John Billington
Paul Franklin Steel
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.)
Crane Payment Innovations Inc
Original Assignee
MEI 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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26305596&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0781439(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by MEI Inc filed Critical MEI Inc
Publication of EP0781439A1 publication Critical patent/EP0781439A1/en
Application granted granted Critical
Publication of EP0781439B1 publication Critical patent/EP0781439B1/en
Publication of EP0781439B2 publication Critical patent/EP0781439B2/en
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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
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D11/00—Devices accepting coins; Devices accepting, dispensing, sorting or counting valuable papers
    • G07D11/20—Controlling or monitoring the operation of devices; Data handling
    • G07D11/28—Setting of parameters; Software updates
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D2205/00—Coin testing devices
    • G07D2205/001—Reconfiguration of coin testing devices
    • G07D2205/0012—Reconfiguration of coin testing devices automatic adjustment, e.g. self-calibration

Definitions

  • This invention relates to apparatus for validating items of value, and to methods of calibrating such apparatus.
  • the invention will be described in the context of coin validators, but is also applicable to banknote validators and validators for other items of value.
  • acceptability tests are normally based on stored acceptability data.
  • One common technique involves storing "windows", i.e. upper and lower limits for each test. If each of the measurements of a coin falls within a respective set of upper and lower limits, then the coin is deemed to be acceptable.
  • the acceptability data could instead represent a predetermined value such as a median, the measurements then being tested to determine whether they lie within predetermined ranges of that value.
  • the acceptance data could be used to modify each measurement and the test would then involve comparing the modified result with a fixed value or window.
  • a problem may arise if the first of the tested items produces measurements which are statistically unsound. If these are used to derive acceptability data, then subsequent (non-anomalous) measurements may incorrectly be treated an anomalous because of the disparity with the first measurement. To deal with this, in a preferred embodiment of the invention, the first measurement is discarded if it does not lie within a predetermined range of the second measurement. If the first measurement is discarded, then the second measurement is thereafter treated as though it were the first. Accordingly, the acceptability data only starts being updated when there are two successive measurements lying within a predetermined range.
  • the LSI 38 which operates in response to timing signals produced by a clock 42, is operable to address the PROM 40 by supplying address signals on an address bus 44.
  • the LSI also provides a "EPROM-enable" signal on line 46 to enable the PROM.
  • a value is delivered from the PROM 40 to the LSI 38 via a data bus 48.
  • the LSI 38 also has input lines 50 for receiving signals from a keyboard 52 housed in the host vending machine and accessible only to an operator who has a key to unlock the machine, and for receiving signals from other parts of the vending machine indicated generally at 54.
  • a keyboard e.g. Dual-In-Line switches
  • simple switches e.g. Dual-In-Line switches
  • the LSI could be controlled by signals received from other equipment to which the validator is connected.
  • the LSI 38 produces an ACCEPT signal on one of a group of output lines 56, and a further signal on another of the output lines 56 to indicate the denomination of the coin being tested.
  • the accept gate 12 adopts one of two different states depending upon whether the ACCEPT signal is generated, so that all tested coins deemed genuine are directed along the accept path 18 and all other tested items along the reject path 14.
  • step 422 initialises the following variables:
  • step 110 determines that GOOD_COINS is greater than zero, and therefore proceeds to step 116.
  • a suitability criterion is applied to each of the coin's measurements. If all the suitability criteria are met, the program proceeds to step 112, whereupon GOOD_COINS is incremented, and the elements of CURRENT_DATA[n] are added to SENSOR_DATA[n]. Otherwise, the program proceeds to a "reject readings" step 118.
  • step 120 the values of SENSOR_DATA[n] are set equal to CURRENT_DATA [n] (so that the CURRENT_DATA[n] for the previous item is discarded) and the values of AVERAGE_DATA [n] are re-calculated to be SENSOR_DATA[n] divided by GOOD_COINS.
  • the calibration routine is stored in a separate hand-held terminal 80 ( Fig, 2 ) which can be connected to a serial port 82 of the validator and which includes a microprocessor 84 and a keyboard 86.
  • the validator routine of Fig. 3 is responsive at step 420 to instructions from the terminal 80 and passes the coin measurements to the terminal when control is passed to the terminal's processor 84 at step 429.
  • the acceptability data contains only averages of measurements which are used as the median of acceptance ranges
  • other data such as standard deviations used to determine the widths of the acceptance ranges

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Coins (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
EP95930665A 1994-09-09 1995-09-08 Apparatus for validating items of value, and method of calibrating such apparatus Expired - Lifetime EP0781439B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB9418185 1994-09-09
GB9418185A GB2293039B (en) 1994-09-09 1994-09-09 Apparatus for validating items of value, and method of calibrating such apparatus
PCT/GB1995/002125 WO1996007992A1 (en) 1994-09-09 1995-09-08 Apparatus for validating items of value, and method of calibrating such apparatus
HK98106201A HK1007053A1 (en) 1994-09-09 1998-06-23 Apparatus for validating items of value and method of calibrating such apparatus

Publications (3)

Publication Number Publication Date
EP0781439A1 EP0781439A1 (en) 1997-07-02
EP0781439B1 EP0781439B1 (en) 1998-07-08
EP0781439B2 true EP0781439B2 (en) 2010-03-24

Family

ID=26305596

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95930665A Expired - Lifetime EP0781439B2 (en) 1994-09-09 1995-09-08 Apparatus for validating items of value, and method of calibrating such apparatus

Country Status (7)

Country Link
EP (1) EP0781439B2 (es)
AU (1) AU3397495A (es)
DE (1) DE69503383T3 (es)
ES (1) ES2117873T5 (es)
GB (1) GB2293039B (es)
HK (1) HK1007053A1 (es)
WO (1) WO1996007992A1 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3934714B2 (ja) * 1996-10-31 2007-06-20 日本金銭機械株式会社 紙幣鑑別装置
DE69903010D1 (de) 1998-03-24 2002-10-24 Ascom Nordic As Broendby Vorrichtung und verfahren zum empfangen und akzeptieren von wertmarken
EP1324278A1 (en) * 2001-12-28 2003-07-02 Mars Incorporated Calibration of currency validators
JP2017058962A (ja) 2015-09-16 2017-03-23 グローリー株式会社 紙葉類処理装置及び紙葉類処理方法
CN113611036B (zh) * 2021-07-15 2022-12-06 珠海市运泰利自动化设备有限公司 一种精密测试自动校准方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2945377A1 (de) † 1978-11-10 1980-05-22 Hajime Industries Verfahren zur untersuchung von mustern

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5927383A (ja) * 1982-08-06 1984-02-13 株式会社ユニバ−サル 学習式硬貨等の選別装置
JPS59111587A (ja) * 1982-12-16 1984-06-27 ロ−レルバンクマシン株式会社 硬貨処理機の検銭装置
US4538719A (en) * 1983-07-01 1985-09-03 Hilgraeve, Incorporated Electronic coin acceptor
AU6677186A (en) * 1985-12-19 1987-06-25 Bonelco Industries Ltd. Article detection and recognition
US5067604A (en) * 1988-11-14 1991-11-26 Bally Manufacturing Corporation Self teaching coin discriminator
JPH0731324Y2 (ja) * 1989-04-21 1995-07-19 サンデン株式会社 硬貨判別装置
US5052043A (en) * 1990-05-07 1991-09-24 Eastman Kodak Company Neural network with back propagation controlled through an output confidence measure

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2945377A1 (de) † 1978-11-10 1980-05-22 Hajime Industries Verfahren zur untersuchung von mustern

Also Published As

Publication number Publication date
DE69503383D1 (de) 1998-08-13
GB2293039B (en) 1998-04-22
HK1007053A1 (en) 1999-03-26
WO1996007992A1 (en) 1996-03-14
EP0781439B1 (en) 1998-07-08
DE69503383T2 (de) 1999-04-08
EP0781439A1 (en) 1997-07-02
AU3397495A (en) 1996-03-27
ES2117873T3 (es) 1998-08-16
DE69503383T3 (de) 2010-11-11
ES2117873T5 (es) 2010-07-16
GB9418185D0 (en) 1994-10-26
GB2293039A (en) 1996-03-13

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