Patents by Inventor Bishara Assad Tahhan

Bishara Assad Tahhan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Extended range switch mode power supply
    Patent number: 5684680
    Abstract: A push-pull or forward switching power supply is operable over a voltage range of 4.5 to 40 volts at high efficiency. At low voltages a primary winding or pair of windings are activated by a PWM control to regulate the output current. At high voltages, an additional primary winding in series with each of the other winding or windings is also activated by a PWM control.
    Type: Grant
    Filed: December 21, 1995
    Date of Patent: November 4, 1997
    Assignee: Delco Electronics Corp.
    Inventors: Bishara Assad Tahhan, Alfred Henry Barrett