Patents by Inventor Wilson W. S. Leung

Wilson W. S. Leung 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).

  • Patent number: 5621718
    Abstract: A compact disc playing mechanism includes a body with respect to which at least first and second horizontal positions are provided for placing therein compact discs, a pick-up mechanism for playing the compact discs, and a unitary moving mechanism adapted to move the pick-up mechanism from the first to the second position and to, at each of the positions, move the pick-up mechanism upwards for operation and downwards for transit. The pick-up mechanism has an engagement part. A track, which is disposed on a rotatable drum, is provided along which the engagement part slidably engages such that relative movement between the engagement part and the track causes the said upward and downward movement of the pick-up mechanism.
    Type: Grant
    Filed: January 13, 1995
    Date of Patent: April 15, 1997
    Assignee: Alco Electronics, Ltd.
    Inventor: Wilson W. S. Leung