Patents by Inventor Phi Hung Quach

Phi Hung Quach 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).

  • Methodology of maintaining CCT for white light using LED
    Patent number: 8550657
    Abstract: The present invention relates generally to a methodology of maintaining correlated color temperature (CCT) of light beam from lighting means by having a processing means to instruct several lighting means groups, wherein each group has different CCT ranges, that are arranged together, to provide light beam of intended CCT, if the CCT of light beam from the lighting means that are reflected back using reflecting means, which are captured and converted to binary data by the sensory means are different from the intended CCT.
    Type: Grant
    Filed: November 7, 2008
    Date of Patent: October 8, 2013
    Assignee: Itramas International, Inc.
    Inventor: Phi Hung Quach
  • METHODOLOGY OF MAINTAINING CCT FOR WHITE LIGHT USING LED
    Publication number: 20100118374
    Abstract: The present invention relates generally to a methodology of maintaining correlated colour temperature (CCT) of light beam from lighting means by having a processing means to instruct several lighting means groups, wherein each group has different CCT ranges, that are arranged together, to provide light beam of intended CCT, if the CCT of light beam from the lighting means that are reflected back using reflecting means, which are captured and converted to binary data by the sensory means are different from the intended CCT.
    Type: Application
    Filed: November 7, 2008
    Publication date: May 13, 2010
    Applicant: ITRAMAS INTERNATIONAL, INC.
    Inventor: Phi Hung Quach