Patents by Inventor Ying-chang Tzeng

Ying-chang Tzeng 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).

  • USB matrix switch system
    Patent number: 7769941
    Abstract: An USB matrix switch system provided for a plurality of USB devices shared with a plurality of hosts is disclosed.
    Type: Grant
    Filed: September 23, 2008
    Date of Patent: August 3, 2010
    Assignee: Aten International Co., Ltd.
    Inventors: Han-Cheng Huang, Ying-Chang Tzeng
  • Mixing 2-D gradient-difference and interpolation/decimation method and device for scaling a digital image
    Patent number: 7738712
    Abstract: A method of image processing for transforming an input image with a first resolution into an output image with a second resolution is provided. The input image is defined with a plurality of input pixels, and the output image is defined with a plurality of output pixels.
    Type: Grant
    Filed: January 4, 2006
    Date of Patent: June 15, 2010
    Assignee: Aten International Co., Ltd.
    Inventors: Ying-chang Tzeng, Han-cheng Huang
  • USB Matrix Switch System
    Publication number: 20100077126
    Abstract: An USB matrix switch system provided for a plurality of USB devices shared with a plurality of hosts is disclosed.
    Type: Application
    Filed: September 23, 2008
    Publication date: March 25, 2010
    Applicant: ATEN INTERNATIONAL CO., LTD.
    Inventors: Han-Cheng Huang, Ying-Chang Tzeng
  • Mixing 2-D gradient-difference and interpolation/decimation method and device for scaling a digital image
    Publication number: 20070154114
    Abstract: A method of image processing for transforming an input image with a first resolution into an output image with a second resolution is provided. The input image is defined with a plurality of input pixels, and the output image is defined with a plurality of output pixels.
    Type: Application
    Filed: January 4, 2006
    Publication date: July 5, 2007
    Inventors: Ying-chang Tzeng, Han-cheng Huang