Patents by Inventor Itsuo Takamiya

Itsuo Takamiya 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 and reception system
    Patent number: 5949826
    Abstract: A data transmission and reception system according to this invention comprises a transmitter for transmitting data by modulating transmit data and a receiver for receiving and demodulating a signal from the receiver, wherein the receiver includes a parallel resonator for receiving a PSK signal; a full rectification circuit for detecting output from the parallel resonator; a low pass filter for shaping the waveform of output from the full rectification circuit; and a comparator for converting output from the low pass filter into a binary-coded signal so that demodulated signals can be obtained from the output of the comparator.
    Type: Grant
    Filed: December 19, 1996
    Date of Patent: September 7, 1999
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Keiichi Iiyama, Itsuo Takamiya, Masayuki Arai, Akihisa Yamazaki, Seiki Yokozeki