Patents by Inventor Patrick J. Wilde

Patrick J. Wilde 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).

  • Real-time, in-situ saw filter delay adjustment
    Patent number: 5111168
    Abstract: A method of adjusting the center frequency of a SAW device by providing a substrate capable of propagating a surface acoustic wave thereon having input transducer electrode on one end portion thereof, output transducer electrodes on the opposite end portion thereof and a waveguide portion therebetween, applying an RF input signal to the input transducer and providing an indication of the output obtained from the output transducer and etching the entire device with an etchant until the indication has reached a predetermined status.
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: May 5, 1992
    Assignee: Texas Instruments Incorporated
    Inventors: Carl M. Panasik, Patrick J. Wilde, Betty L. James