Patents by Inventor Hsin-Ping Ko

Hsin-Ping Ko 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).

  • Variable focus device
    Patent number: 7486454
    Abstract: A variable focus device is adapted for focusing an image on an image sensing module, and includes a hollow fixing seat, a lens module and a lens coupling unit. The fixing seat is adapted for mounting the image sensing module therein. The lens coupling unit includes a piezoelectric layer and a metal layer disposed on the piezoelectric layer. The piezoelectric and metal layers are respectively formed with aligned lens mounting holes to permit mounting of the lens module to the lens coupling unit. The lens coupling unit is disposed relative to the fixing seat such that the lens module corresponds in position to the fixing seat. The piezoelectric layer deforms in response to application of a control signal thereto to move the lens module relative to the fixing seat, thereby varying a focal position of the lens module relative to the image sensing module in the fixing seat.
    Type: Grant
    Filed: April 17, 2007
    Date of Patent: February 3, 2009
    Assignee: Sunnytec Electronics Co., Ltd.
    Inventors: Hann-Kuang Chen, Wen-Chang Cheng, Ching-Kuo Chu, Chih-Chan Liao, Hsin-Ping Ko, Chen-Wei Lai, San-Fan Chiu
  • Variable focus device
    Publication number: 20080259471
    Abstract: A variable focus device is adapted for focusing an image on an image sensing module, and includes a hollow fixing seat, a lens module and a lens coupling unit. The fixing seat is adapted for mounting the image sensing module therein. The lens coupling unit includes a piezoelectric layer and a metal layer disposed on the piezoelectric layer. The piezoelectric and metal layers are respectively formed with aligned lens mounting holes to permit mounting of the lens module to the lens coupling unit. The lens coupling unit is disposed relative to the fixing seat such that the lens module corresponds in position to the fixing seat. The piezoelectric layer deforms in response to application of a control signal thereto to move the lens module relative to the fixing seat, thereby varying a focal position of the lens module relative to the image sensing module in the fixing seat.
    Type: Application
    Filed: April 17, 2007
    Publication date: October 23, 2008
    Inventors: Hann-Kuang Chen, Wen-Chang Cheng, Ching-Kuo Chu, Chih-Chan Liao, Hsin-Ping Ko, Chen-Wei Lai, San-Fan Chiu