Patents by Inventor Katsuhiko Toki

Katsuhiko Toki 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).

  • OFDM receiver
    Publication number: 20020057750
    Abstract: In one aspect of the invention, an OFDM receiver for receiving and demodulating OFDM signal comprises an automatic gain adjuster for adjusting the level of OFDM signal; a demodulator for demodulating a level-adjusted signal outputted from the automatic gain adjuster; a detector for detecting guard intervals contained in the OFDM signal; and a controller for controlling the automatic gain adjuster within the periods of guard intervals detected by the detector. In another aspect of the invention, an OFDM receiver includes a detector for detecting a level change of an OFDM signal and an automatic gain controller for adjusting the level of the OFDM signal in accordance with a signal level detected by the detector.
    Type: Application
    Filed: November 16, 2001
    Publication date: May 16, 2002
    Applicant: Pioneer Corporation
    Inventors: Satoshi Nakao, Kazuhiko Uchiyama, Yuki Kuriki, Katsuhiko Toki, Toshihito Ichikawa