Patents by Inventor Dong-Hwi Lee

Dong-Hwi Lee 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).

  • Switch with a rocker, which has an affixed magnet
    Patent number: 6124771
    Abstract: The present invention relates to a switch with a rocker, which has an affixed magnet, capable of being reliably opened or closed by a mechanical operation of a magnetized rocker. The present invention comprises of a supporting plate and a plurality of electromagnets occurring a magnetic force when a power is supplied thereto and being disposed in a bottom surface of the supporting plate. Further, the present invention has a rocker made of a magnetic substance, magnetized in order to occur repulsion with the electromagnet and then rotated by a predetermined angle. Furthermore, the present invention at least one magnet for magnetizing the rocker and retaining an inclined state of the rocker by the if occurred attraction with the electromagnet, and being disposed on the rocker.
    Type: Grant
    Filed: March 22, 1999
    Date of Patent: September 26, 2000
    Assignee: KMW Co. Ltd.
    Inventors: Duk Yong Kim, Dong Hwi Lee