Patents by Inventor Akihiko Futada

Akihiko Futada 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).

  • Solid state color imaging system employing separation of high and low frequency components of luminance during imaging
    Patent number: 4700220
    Abstract: A solid state color imaging sensor develops a green color signal and a red color signal in the first line of an odd field, and develops a green color signal and a blue color signal in the second line of the odd field. A first one line (1H) delay circuit is included in a signal processing circuit so as to produce a high frequency component signal of a luminance signal. A second one line (1H) delay circuit is included in the signal processing circuit so as to produce a low frequency component of the luminance signal and the color information signal.
    Type: Grant
    Filed: July 19, 1985
    Date of Patent: October 13, 1987
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Syoichi Yasuda, Akihira Tokuno, Akihiko Futada, Yoshiharu Hayashi, Kiyoshi Kobori, Takayoshi Ishida