Patents by Inventor Alex John Herrera

Alex John Herrera 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).

  • Methods and apparatus for processing DVD video
    Patent number: 6538658
    Abstract: A 3D graphics accelerator is modified to support MPEG-2 video decoding in a computer system configured to playback a DVD data stream. The methods and apparatus modify the 3D graphics accelerator to conduct motion compensation and/or YUV 4:2:0 to YUV 4:2:2 conversion. Sub-code blending can also be further supported by the 3D graphics accelerator.
    Type: Grant
    Filed: September 30, 2000
    Date of Patent: March 25, 2003
    Assignee: Koninklijke Philips Electronics N.V.
    Inventor: Alex John Herrera
  • Methods and apparatus for processing DVD video
    Patent number: 6208350
    Abstract: A 3D graphics accelerator is modified to support MPEG-2 video decoding in a computer system configured to playback a DVD data stream. The methods and apparatus modify the 3D graphics accelerator to conduct motion compensation and/or YUV 4:2:0 to YUV 4:2:2 conversion. Sub-code blending can also be further supported by the 3D graphics accelerator.
    Type: Grant
    Filed: November 4, 1997
    Date of Patent: March 27, 2001
    Assignee: Philips Electronics North America Corporation
    Inventor: Alex John Herrera