Patents Assigned to Nishimu Electronics Industries Co., Inc.
  • PWM inverter with a saturable core
    Patent number: 4800476
    Abstract: A PWM inverter including a saturable core and a main circuit comprising a series circuit of a main winding and a resistor in which switching means applies a DC voltage across the main circuit by time ratio control with the polarity inverted alternately, and the on-off control of the switching means is accomplished by using a saturable transformer with a saturable core.
    Type: Grant
    Filed: September 10, 1987
    Date of Patent: January 24, 1989
    Assignee: Nishimu Electronics Industries Co., Inc.
    Inventors: Koosuke Harada, Hiroshi Sakamoto