Patents by Inventor Ronald D. Kasparek

Ronald D. Kasparek 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).

  • Adjustable saw device
    Patent number: 6291924
    Abstract: An adjustable surface acoustic wave (SAW) transducer is fabricated on a piezoelectric substrate. The adjustable SAW transducer includes a plurality of SAW interdigital transducer (IDT) fingers disposed on the substrate. Miniature switches are used to provide a plurality of interconnection patterns between the SAW IDT fingers such that a plurality of SAW characteristics can be generated from a single set of SAW IDT fingers.
    Type: Grant
    Filed: July 1, 1999
    Date of Patent: September 18, 2001
    Assignee: TRW Inc.
    Inventors: Kei-Fung Lau, Robert B. Stokes, Kuo-Hsiung Yen, Alvin M. Kong, Steven E. Housholder, Ronald D. Kasparek