Patents Assigned to CTX-Electronics Corporation
  • Shading device of the LCD projecting plate
    Patent number: 5227820
    Abstract: A shading device of LCD projecting plate has a pair of shading board being capable of being adjusted to shade the rest projecting areas which are uncovered by the plate and to project the drawing or letters on the optical glass to a wall or a screen clearly whenever used with any projectors.
    Type: Grant
    Filed: June 1, 1992
    Date of Patent: July 13, 1993
    Assignee: CTX-Electronics Corporation
    Inventors: Kazuhiro Miyashita, Chia-Chen Liao, Chien-Chung Chang