Patents by Inventor Jeremiah Christopher O'Brien

Jeremiah Christopher O'Brien 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).

  • Method and apparatus for offset cancellation in a wireless receiver
    Patent number: 6504498
    Abstract: An apparatus that has a feedback circuit that couples a wireless receive channel to a frequency synthesizer. A method that reduces an offset in a baseband signal by changing a downconversion frequency in response to the offset.
    Type: Grant
    Filed: September 27, 2000
    Date of Patent: January 7, 2003
    Assignee: Parthus Ireland Limited
    Inventor: Jeremiah Christopher O'Brien