Patents Assigned to Nippon Telegraph and Telephone Corporatioan
  • Receiver, Transceiver, and Electric Field Communication System
    Publication number: 20090023387
    Abstract: A transmitter (2) modulates information to be transmitted with an alternating-current signal having a predetermined frequency and includes a variable reactance section (16) which produces resonance with a stray capacitance (18) between a circuit ground (17) in the transmitter (2) and an earth ground (20) which strays from the earth ground (20) and a stray capacitance (19) between the human body (3) and the earth ground (20).
    Type: Application
    Filed: January 24, 2007
    Publication date: January 22, 2009
    Applicant: Nippon Telegraph and Telephone Corporatioan
    Inventors: Tadashi Minotani, Mitsuru Shinagawa