Patents by Inventor Yasuya Tanaka

Yasuya Tanaka 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).

  • Data transmission system
    Patent number: 4317207
    Abstract: A data transmission system wherein a transmitter always transmits the carrier to a receiver and modulates the carrier by using the sending data and a receiver demodulates the sending data, wherein, in order to discriminate whether the data demodulated in the receiver is sending data or not during an existing sending data period, the transmitter converts specified bits of sending data and then transmits and the receiver discriminates the sending data existing period according to detection of such conversion being carried out.
    Type: Grant
    Filed: March 3, 1980
    Date of Patent: February 23, 1982
    Assignees: Nippon Telegraph and Telephone Public Corporation, Fujitsu Limited
    Inventors: Noriaki Fujimura, Tsuneo Kinoshita, Tadashi Aono, Takashi Kaku, Yasuya Tanaka