Patents Examined by Tai V. Doung
  • Charge detection circuit
    Patent number: 5247554
    Abstract: A charge detection circuit includes a p-type semiconductor substrate, a reference voltage source for generating a reference voltage having a predetermined voltage difference with respect to the potential of the semiconductor substrate, a first n.sup.+ -type semiconductor region formed in the semiconductor substrate, for storing a carrier packet, a second n.sup.
    Type: Grant
    Filed: January 5, 1990
    Date of Patent: September 21, 1993
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Tetsuo Yamada