Patents by Inventor Syun-ichi Anzai

Syun-ichi Anzai 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).

  • Broadcasting system discriminating television receiver for differentiating between analog and digital telecast signals
    Patent number: 5774195
    Abstract: A broadcasting system discriminating television receiver including a circuit for evaluating the output of an FM demodulator, a circuit for evaluating the output of an I/Q wave detector, and a controller for controlling a switch based on the results of each evaluation. The switch is used primarily to determine whether the output of the receiver is analog or digital.
    Type: Grant
    Filed: November 12, 1997
    Date of Patent: June 30, 1998
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasunori Miyahara, Syun-ichi Anzai
  • Broadcasting system discriminating television receiver for differentiating between analog and digital telecast signals
    Patent number: 5598221
    Abstract: A broadcasting system discriminating television receiver includes a circuit which applies the FM demodulation discrimination on the output of the FM demodulator in an analog broadcasting, or a circuit which applies a video signal discrimination on a video output which is connected to a circuit which applies an I/Q wave detection on the output of an I/Q detector or a circuit which applies a video signal discrimination on a video output, and means for controlling a signal selector switch (SW) after the channel selector judging from the result of the discriminator.
    Type: Grant
    Filed: January 24, 1995
    Date of Patent: January 28, 1997
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasunori Miyahara, Syun-ichi Anzai