Patents by Inventor Hsien-Hsuan Liao

Hsien-Hsuan Liao 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).

  • Adjustment module for adjusting a position of a lens of a projector
    Patent number: 7950810
    Abstract: An adjustment module is capable of adjusting a position of a lens of a projector. The adjustment module includes a base, a first tray, a second tray, at least one guide roller, and at least one boundary constrainer. The first tray is slidably disposed on the base along a first axis. The second tray is slidably disposed on the first tray along a second axis substantially perpendicular to the first axis. The lens is fixed on the second tray. The guide roller is rotatably disposed on the second tray. The boundary constrainer is disposed on the base. The guide roller is capable of confining the lens within an image area of the lens by rotatably contacting the boundary constrainer.
    Type: Grant
    Filed: January 22, 2008
    Date of Patent: May 31, 2011
    Assignee: Coretronic Corporation
    Inventors: Hsien-Hsuan Liao, Sheng-Yi Chen, Yi-Te Liao, Wen-Wei Tsai
  • ADJUSTMENT MODULE FOR ADJUSTING A POSITION OF A LENS OF A PROJECTOR
    Publication number: 20090040479
    Abstract: An adjustment module is capable of adjusting a position of a lens of a projector. The adjustment module includes a base, a first tray, a second tray, at least one guide roller, and at least one boundary constrainer. The first tray is slidably disposed on the base along a first axis. The second tray is slidably disposed on the first tray along a second axis substantially perpendicular to the first axis. The lens is fixed on the second tray. The guide roller is rotatably disposed on the second tray. The boundary constrainer is disposed on the base. The guide roller is capable of confining the lens within an image area of the lens by rotatably contacting the boundary constrainer.
    Type: Application
    Filed: January 22, 2008
    Publication date: February 12, 2009
    Applicant: CORETRONIC CORPORATION
    Inventors: Hsien-Hsuan Liao, Sheng-Yi Chen, Yi-Te Liao, Wen-Wei Tsai