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    • 43. 发明专利
    • DE68924645T2
    • 1996-04-18
    • DE68924645
    • 1989-08-09
    • COIN ACCEPTORS INC
    • LEVASSEUR JOSEPH
    • B65G59/06G07F11/10G07F11/18G07F11/24
    • This vending machine includes a housing frame (12) subdivided into vertical columns (1-8) adapted to receive cylindrical articles (C). Elongate, rotatable support members (60) are provided below each column for supporting the column of articles, which tend to rotate under the weight of the articles. A ratchet wheel (70) and pawl member (80) assembly provided at one end of each support member provides a release mechanism controlling rotation of the support member incident to dispensing an article. The release mechanism associated with a selected column is actuated by an indexing member (94) carried by an endless loop (100) driven by an electric motor (M). The indexing member is positioned adjacent one of the pawl members to dispense an article by moving an associated pawl member into and out of engagement with the ratchet wheel in response to customer selection. A depletion detection device (500) is provided.
    • 45. 发明专利
    • Pattern Recognition Using Artificial Neural Network for Coin Validation
    • CA2153637A1
    • 1996-01-13
    • CA2153637
    • 1995-07-11
    • COIN ACCEPTORS INC
    • WANG CHUANMINGLEIBU MARK H
    • G06K9/62G07D5/00G07D5/08G07D5/10G07F3/02
    • A coin validation system for determining if a coin moving along a coin rail is a valid coin, and if so, its denomination the system including a rail along which coins move, at least one optical sensor located along the rail to sense the presence or absence of a coin moving therealong, at least one magnetic sensor associated with each optical sensor located in the vicinity of the respective optical sensor, each of the magnetic sensors including an inductive element and a circuit for exciting the magnetic sensor to produce a field that is coupled to the coin moving past so that the coin and the inductive element have mutual inductance therebetween, the circuit ringing the magnetic sensor a predetermined number of times while the coin is adjacent to the magnetic sensor whereby the magnetic sensor generates a damped wave signal having characteristics representative of the physical and magnetic characteristics of the coin, a signal preprocessor operatively connected to the magnetic sensor for producing output responses representative of distinguishing characteristics of the coin, a feature extraction circuit for extracting from the output responses of the signal preprocessor signal portions representative of predetermined distinguishing characteristics of the coin, a circuit for producing a multi-dimensional representation of the extracted features and for comparing the multi-dimensional representation with the center of an established ellipsoidal cluster of selected coin denominations to determine the extent of the comparison therebetween and to be used to determine whether the coin is an acceptable coin or not, and an artificial neural network classifier circuit having connections to the preprocessor and to the comparator circuit, the neural network classifier circuit having an output which identifies the denomination of coins that are determined by the comparator circuit to be acceptable.
    • 46. 发明专利
    • DE3853653T2
    • 1996-01-11
    • DE3853653
    • 1988-06-13
    • COIN ACCEPTORS INC
    • HOUSERMAN RAYMOND LESLIE
    • G07D5/08G01N27/72G07F3/02
    • A coin detection system and method of operation thereof, comprising a sensing circuit portion (42) including a sensor coil, which need be only a single sensor coil, positioned adjacent to the coin path and connected in circuit with a current ramp generator (48), preferably operable under control of a system control circuit portion (50), and a detector circuit portion (52) connected to the sensing circuit portion (42) to monitor and detect circuit performance characteristics and changes thereof that are effected by the presence of a coin (54) within the field of the sensor coil at the time a current ramp is applied to the sensor coil by the ramp generator (48), from which circuit performance characteristics a coin characteristic value, preferably a time constant characteristic, representative of the particular coin (54) present within the field of the sensor coil can be derived and thereafter utilized for coin detection, denomination discrimination, and coin sizing purposes.
    • 49. 发明专利
    • VENDING MACHINE
    • CA1335195C
    • 1995-04-11
    • CA608031
    • 1989-08-10
    • COIN ACCEPTORS INC
    • LEVASSEUR JOSEPH L
    • B65G59/06G07F11/10G07F11/18G07F11/24
    • This vending machine includes a housing frame (12) subdivided into vertical columns (1-8) adapted to receive cylindrical articles (C). Elongate, rotatable support members (60) are provided below each column for supporting the column of articles, which tend to rotate under the weight of the articles. A ratchet wheel (70) and pawl member (80) assembly provided at one end of each support member provides a release mechanism controlling rotation of the support member incident to dispensing an article. The release mechanism associated with a selected column is actuated by an indexing member (94) carried by an endless loop (100) driven by an electric motor (M). The indexing member is positioned adjacent one of the pawl members to dispense an article by moving an associated pawl member into and out of engagement with the ratchet wheel in response to customer selection. A depletion detection device (500) is provided, which includes a sensing member (502) adapted to move in response to the article depletion and connected to the pawl member by a trigger (504) operatively connected to a depletion indicator.