Patents Assigned to Nippon Univac Kaisha, Ltd.
  • Transient electromagnetic field detector
    Patent number: 4631473
    Abstract: A high frequency electromagnetic field detector for detecting high frequency electromagnetic fields comprises a micro antenna for mainly receiving the induction term of the electromagnetic field, an amplifier for amplifying a voltage induced on the antenna, a comparator circuit for comparing the output of the amplifier with a predetermined reference level to output a signal indicating that the output exceeds the reference level, and an indicator in response to the signal from the comparator circuit for indicating it.
    Type: Grant
    Filed: November 27, 1984
    Date of Patent: December 23, 1986
    Assignee: Nippon Univac Kaisha, Ltd.
    Inventor: Masamitsu Honda