Patents by Inventor Jaeheyng Kim

Jaeheyng Kim 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).

  • Circuit for driving magnetostrictive device
    Patent number: 5914841
    Abstract: Provided is a circuit for driving a magnetostrictive device including: a high voltage interrupting circuit section for interrupting an instantaneously leaking high voltage depending on the switching operation of a power switch; a voltage storage section for rectifying an input voltage for a half of the positive cycle and storing it; a switching circuit section for supplying the voltage stored in the voltage storage section to the magnetostrictive device; and a voltage discharging circuit section for discharge the voltage remaining in the voltage storage section when the power is interrupted.
    Type: Grant
    Filed: January 29, 1998
    Date of Patent: June 22, 1999
    Assignee: Korea Institute of Machinery & Metals
    Inventors: Pil-Woo Heo, Yang-Lae Lee, Jaeheyng Kim, Eui-Su Lim