Patents by Inventor Kazuhisa TOYOTA

Kazuhisa TOYOTA 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).

  • Projection type display apparatus
    Patent number: 9091909
    Abstract: A projection type display apparatus (50) includes: a plurality of light sources (100a) and (100b); a light source control section (101) configured to control each of the plurality of light sources (100a) and (100b); a plurality of fans (102a) and (102b), provided to correspond to the plurality of light sources (100a) and (100b), respectively, for cooling the corresponding light sources; and a fan diagnosis section (104) configured to diagnose a state of each of the plurality of fans (102a) and (102b). When a malfunction of one of the plurality of fans (102a) and (102b) is detected by the fan diagnosis section (104) while the plurality of light sources (100a) and (100b) are lit up, the light source control section (101) turns off one of the light sources corresponding to the one fan and continues to light up the remainder of the light sources.
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: July 28, 2015
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventor: Kazuhisa Toyota
  • PROJECTION TYPE DISPLAY APPARATUS
    Publication number: 20130314674
    Abstract: A projection type display apparatus 50 includes: a plurality of light sources 100a and 100b; a light source control section 101 configured to control each of the plurality of light sources 100a and 100b; a plurality of fans 102a and 102b, provided to correspond to the plurality of light sources 100a and 100b, respectively, for cooling the corresponding light sources; and a fan diagnosis section 104 configured to diagnose a state of each of the plurality of fans 102a and 102b. When a malfunction of one of the plurality of fans 102a and 102b is detected by the fan diagnosis section 104 while the plurality of light sources 100a and 100b are lit up, the light source control section 101 turns off one of the light sources corresponding to the one fan and continues to light up the remainder of the light sources.
    Type: Application
    Filed: May 21, 2013
    Publication date: November 28, 2013
    Applicant: Panasonic Corporation
    Inventor: Kazuhisa TOYOTA