Patents by Inventor Chi Yui Lau

Chi Yui Lau 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).

  • Moving toy
    Patent number: 7234991
    Abstract: A moving toy, e.g. toy car, comprises a body, wheels for moving the body on a surface, and an electric motor provided in the body for driving the wheels. A control circuit is connected to the motor for controlling the performance of the motor. Also included one or more impact detectors connected to the control circuit for detecting an impact acted upon the toy and in response providing a signal to cause the control circuit to reduce the performance of the motor and hence the speed of the car.
    Type: Grant
    Filed: May 10, 2004
    Date of Patent: June 26, 2007
    Assignee: Firecode Ltd.
    Inventors: Kai Chai Lo, Chi Yui Lau