Patents by Inventor Piau Chee Lee

Piau Chee 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).

  • Patent number: 6043440
    Abstract: A microwave switch includes a housing having at least three spaced coaxial conductor terminals extending from the housing; an electrical conductor extends inwardly from each of the terminals to a housing interior; and a housing cover effectively seals the housing and includes a pair of bearing apertures. A pair of switch operators, each having a headed top confines return springs between an underside of the headed top and a top surface of the cover, a central guide portion passes through said bearing apertures and a distal end protrudes from an underside surface of the cover into the housing interior toward the electrical conductors. A switch reed is fixedly attached to the distal end of each of the operators within said housing, each switch reed including reed distal ends which electrically interconnect, upon alternative operation of said operators by a rocker assembly, a pair of the electrical conductors including a common electrical conductor.
    Type: Grant
    Filed: September 11, 1998
    Date of Patent: March 28, 2000
    Assignee: Teledyne Industries, Inc.
    Inventors: Richard L. Sun, Piau Chee Lee