Patents Examined by M.rgaret Rose Wambach
  • Current mirror switching circuit
    Patent number: 4883988
    Abstract: A level conversion circuit having a plurality of switching elements connected in series or in parallel to a part thereof and having inputted a plurality of complementary signals to the plurality of switching elements connected in series or in parallel, and a high speed and high driving power switching circuit having a bipolar transistor which is directly driven by an output of such level conversion circuit and which provides level conversion and logic functions.
    Type: Grant
    Filed: October 25, 1988
    Date of Patent: November 28, 1989
    Assignee: Hitachi, Ltd.
    Inventors: Akira Ide, Yoshikazu Saito