Patents by Inventor Masaru Sakurai

Masaru Sakurai 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).

  • Automatic equalizer
    Patent number: 4303895
    Abstract: An automatic equalizer comprises a transversal filter for receiving an input signal to be equalized and having adjustable tap gains, a circuit connected to receive an output signal of the transversal filter and the input signal to be equalized to produce an equalized output signal, a distortion detect circuit for detecting a distortion component included in the output signal, a tap gain correct circuit connected to receive a distortion detect signal from the distortion detect circuit to produce tap gain correct signals, and a tap gain hold circuit responsive to the tap gain correct signals to correct the tap gains of the transversal filter and hold the corrected tap gains.
    Type: Grant
    Filed: June 10, 1980
    Date of Patent: December 1, 1981
    Assignees: Nippon Hoso Kyokai, Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Shunichi Ohnishi, Masaharu Obara, Masaru Sakurai, Hisashi Yamada