Patents by Inventor Masashi Mizuma

Masashi Mizuma 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).

  • Optical control type phased array antenna
    Patent number: 7382983
    Abstract: An optical control type phased array antenna includes a laser generating means for generating light of single wavelength, an optical path branching means for branching the light emitted from the laser generating means into first and second transmission lights, a high frequency signal generating means for generating a high frequency signal, an optical frequency modulating means for shifting the frequency of the first transmission light branched by the optical path branching means by the frequency of a high frequency signal thus generated, a spatial light phase modulating means performing spatial phase modulation of the first transmission light shifted by the frequency of a high frequency signal depending on the antenna beam pattern, and an optical path branching/multiplexing means for multiplexing the first transmission light subjected to phase modulation and the second transmission light branched by the optical path branching means.
    Type: Grant
    Filed: May 29, 2003
    Date of Patent: June 3, 2008
    Assignee: Mitsubishi Electric Corporation
    Inventors: Masashi Mizuma, Toshiyuki Ando, Tomohiro Akiyama, Yoshihito Hirano
  • Optical control type phased array antenna
    Publication number: 20060012519
    Abstract: An optical control type phased array antenna includes a laser generating means for generating light of single wavelength, an optical path branching means for branching the light emitted from the laser generating means into first and second transmission lights, a high frequency signal generating means for generating a high frequency signal, an optical frequency modulating means for shifting the frequency of the first transmission light branched by the optical path branching means by the frequency of a high frequency signal thus generated, a spatial light phase modulating means performing spatial phase modulation of the first transmission light shifted by the frequency of a high frequency signal depending on the antenna beam pattern, and an optical path branching/multiplexing means for multiplexing the first transmission light subjected to phase modulation and the second transmission light branched by the optical path branching means.
    Type: Application
    Filed: May 29, 2003
    Publication date: January 19, 2006
    Inventors: Masashi Mizuma, Toshiyuki Ando, Tomohiro Aliyama, Yoshihito Hirano