CA1038055A - Coin arrival sensor using inductive colls - Google Patents

Coin arrival sensor using inductive colls

Info

Publication number
CA1038055A
CA1038055A CA214,346A CA214346A CA1038055A CA 1038055 A CA1038055 A CA 1038055A CA 214346 A CA214346 A CA 214346A CA 1038055 A CA1038055 A CA 1038055A
Authority
CA
Canada
Prior art keywords
coin
output signal
comparator
signal
reference 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.)
Expired
Application number
CA214,346A
Other languages
English (en)
French (fr)
Other versions
CA214346S (fr
Inventor
Wouter Smits
Guustaaf A. Schwippert
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
Application filed by Mars Inc filed Critical Mars Inc
Application granted granted Critical
Publication of CA1038055A publication Critical patent/CA1038055A/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)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
CA214,346A 1973-11-22 1974-11-21 Coin arrival sensor using inductive colls Expired CA1038055A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB54319/73A GB1483192A (en) 1973-11-22 1973-11-22 Arrival sensor

Publications (1)

Publication Number Publication Date
CA1038055A true CA1038055A (en) 1978-09-05

Family

ID=10470622

Family Applications (1)

Application Number Title Priority Date Filing Date
CA214,346A Expired CA1038055A (en) 1973-11-22 1974-11-21 Coin arrival sensor using inductive colls

Country Status (8)

Country Link
US (1) US3918563A (enExample)
JP (1) JPS5738945B2 (enExample)
CA (1) CA1038055A (enExample)
DE (1) DE2455112C2 (enExample)
FR (1) FR2252612B1 (enExample)
GB (1) GB1483192A (enExample)
HK (1) HK183A (enExample)
ZA (1) ZA747460B (enExample)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51119292A (en) * 1975-04-11 1976-10-19 Nippon Signal Co Ltd:The Screening of coin and its device
JPS5296598A (en) * 1976-02-10 1977-08-13 Nippon Koinko Kk Coin examining means for automatic vending machines
US4106610A (en) * 1976-06-07 1978-08-15 Mars, Incorporated Coin apparatus having multiple coin-diverting gates
US4385684A (en) * 1979-07-17 1983-05-31 Kabushiki Kaisha Nippon Coinco Coin selection device
GR69124B (enExample) * 1980-02-06 1982-05-03 Mars Inc
US4353452A (en) * 1980-04-04 1982-10-12 U.M.C. Industries, Inc. Coin-handling device
GB2094008B (en) * 1981-02-11 1985-02-13 Mars Inc Improvements in and relating to apparatus for checking the validity of coins
GB2093620B (en) * 1981-02-11 1985-09-04 Mars Inc Checking coins
US4488116A (en) * 1981-09-22 1984-12-11 Mars, Incorporated Inductive coin sensor for measuring more than one parameter of a moving coin
JPS58106453A (ja) * 1981-12-18 1983-06-24 Sanee Denki Kk 金属片の検出装置
GB8400046D0 (en) * 1984-01-03 1984-02-08 Starpoint Electrics Ltd Coin checking
GB2170637A (en) * 1983-04-12 1986-08-06 Fki Electrical Parking metres
GB2160689B (en) * 1984-04-27 1987-10-07 Piper Instr Limited Coin detection
GB2168185B (en) * 1984-12-05 1987-09-23 Mars Inc Checking coins
GB2173624B (en) * 1985-04-08 1988-12-14 Qonaar Corp Low power coin discrimination apparatus
US4625852A (en) * 1985-09-05 1986-12-02 Coil Acceptors, Inc. Coin detection and validation means and method
US4739869A (en) * 1985-09-05 1988-04-26 Coin Acceptors, Inc. Coin detection and validation means and method
GB2207270B (en) * 1987-07-20 1991-06-19 Thomas Patrick Sorensen Improvements in and relating to determining the characteristics of conducting objects
JP2567654B2 (ja) * 1988-03-31 1996-12-25 株式会社 日本コンラックス 硬貨選別方法および装置
US4936435A (en) * 1988-10-11 1990-06-26 Unidynamics Corporation Coin validating apparatus and method
GB2235559A (en) * 1989-08-21 1991-03-06 Mars Inc Coin testing apparatus
WO1993002431A1 (en) * 1991-07-16 1993-02-04 C.T. Coin A/S Method and apparatus for testing and optionally sorting coins
US5293979A (en) * 1991-12-10 1994-03-15 Coin Acceptors, Inc. Coin detection and validation means
DE4301530C1 (de) * 1993-01-21 1994-06-30 Nat Rejectors Gmbh Induktiver Einschaltsensor für batteriebetriebene Münzprüfer
US5526918A (en) * 1995-06-15 1996-06-18 Greenwald Industries Inc. Coin validating apparatus and method
US5673781A (en) * 1995-11-21 1997-10-07 Coin Acceptors, Inc. Coin detection device and associated method
GB2308004A (en) * 1995-12-05 1997-06-11 John Jervis Comfort Coin recognition apparatus
ATE272875T1 (de) * 1996-04-03 2004-08-15 Ipm Internat Sa Einrichtung zur prüfung der echtheit von münzen, jetons oder anderen flachen metallischen gegenständen
US5799768A (en) * 1996-07-17 1998-09-01 Compunetics, Inc. Coin identification apparatus
WO1998005008A1 (en) 1996-07-29 1998-02-05 Quadrum Telecommunications, Inc. Coin validation apparatus
US6138813A (en) * 1999-06-03 2000-10-31 Mars, Incorporated Coin mechanism with a piezoelectric film sensor
EP1383086A1 (en) * 2002-07-19 2004-01-21 Mars, Incorporated Coin validation by signal processing

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1936898A1 (de) * 1969-07-19 1971-02-04 Pruemm Georg Verfahren zur Pruefung von Muenzen
GB1397083A (en) * 1971-05-24 1975-06-11 Mars Inc Coin selector utilizing inductive sensors
US3870137A (en) * 1972-02-23 1975-03-11 Little Inc A Method and apparatus for coin selection utilizing inductive sensors

Also Published As

Publication number Publication date
FR2252612B1 (enExample) 1978-06-16
AU7560674A (en) 1976-05-27
JPS5738945B2 (enExample) 1982-08-18
JPS5087097A (enExample) 1975-07-12
HK183A (en) 1983-01-06
FR2252612A1 (enExample) 1975-06-20
US3918563A (en) 1975-11-11
DE2455112A1 (de) 1975-05-28
DE2455112C2 (de) 1986-11-27
ZA747460B (en) 1975-11-26
GB1483192A (en) 1977-08-17

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