Patents Examined by Jordan Jones
  • Optical gate signal generating apparatus and thyristor converter apparatus including the same
    Patent number: 4489372
    Abstract: An optical gate signal generating apparatus for firing a plurality of thyristors in a thyristor converter apparatus, including a circuit for generating an electrical gate signal, a plurality of first light emitting elements, each being connected to receive the electrical gate signal for generating a first optical signal.
    Type: Grant
    Filed: February 25, 1983
    Date of Patent: December 18, 1984
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Yukihiko Hatano, Tadashi Takahashi