Patents by Inventor Chi-Hsing Liu

Chi-Hsing Liu 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).

  • Pointing device having a motion picture projected therefrom
    Patent number: 6133907
    Abstract: A pointing device includes a casing having a lens received in the first end thereof and a battery received in the second end thereof. A motor is received in the casing and has a shaft to which a transparent disk is co-rotatably mounted, a plurality of pictures imprinted on the transparent disk. A control device for actuating the motor is received in the casing and connected to a button on the casing. A laser beam generating device is located between the control device and the transparent disk, and aligns with the pictures when the transparent disk is co-rotated with the shaft so as to project a motion picture on a remote wall.
    Type: Grant
    Filed: July 28, 1998
    Date of Patent: October 17, 2000
    Inventor: Chi-Hsing Liu