Patents by Inventor Neville D. Chadwick

Neville D. Chadwick has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Gaming or amusement machines
    Patent number: 5344145
    Abstract: A gaming or amusement machine has a dice or other multi-faceted symbol-carrying body which is in the region of a viewing station of the machine. The body is movable by drive means under the control of control means to present a known selected facet to the viewing station for viewing. One embodiment uses only a single motor and single sensor even though the body is movable about two different axes.
    Type: Grant
    Filed: December 21, 1992
    Date of Patent: September 6, 1994
    Assignee: Bell-Fruit Manufacturing Company Limited
    Inventors: Neville D. Chadwick, Terence Howard
  • Monitoring the level of a stack of coins
    Patent number: 4774841
    Abstract: The level of a stack of coins in a stack tube is monitored by an ultrasonic transducer disposed above the stack tube. The transducer directs a train of ultrasonic pulses down towards the top of the stack and measures the transit time between the emitted and reflected pulses. The monitoring apparatus is particularly suitable for use in a gaming, amusement, vending or change machine which has a number of stack tubes from which coins are payed out by a payout device under the control of a control unit.
    Type: Grant
    Filed: May 20, 1987
    Date of Patent: October 4, 1988
    Assignee: Bell-Fruit Manufacturing Company Limited
    Inventor: Neville D. Chadwick