Patents by Inventor Edmund P. Darbyshire

Edmund P. Darbyshire 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).

  • Reducing interference in r.f. signals
    Patent number: 5278870
    Abstract: A radio receiver 1 has a device for reducing interference in an r.f. received signal, for example an HF signal conveying high speed data, including a channel estimator 3 for estimating the transmitted signal by comparing the received signal with locally generated signals processed in dependence on the response of the communication channel, together with a filter 2 for filtering interfering signals from the received signal. The use of the channel estimator for compensating for the response of the communication channel as opposed to an equaliser enables interfering signals to be filtered from the received signal.
    Type: Grant
    Filed: April 12, 1991
    Date of Patent: January 11, 1994
    Assignee: GEC-Marconi Limited
    Inventors: Len Mays, Edmund P. Darbyshire