Patents by Inventor Stephen A. Tickell

Stephen A. Tickell 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).

  • GPS processing arrangement
    Patent number: 7619560
    Abstract: A software GPS processing arrangement comprising a FIFO buffer for receiving a stream of the GPS signal samples, a memory, a DMA controller for transferring the GPS signal samples from the FIFO buffer to the memory, a CPU running GPS signal processing software configured to retrieve the GPS signal samples from the memory and process them to obtain a position fix, and a counter operating independently of the DMA controller and the CPU for keeping count of the number of streamed GPS signal samples.
    Type: Grant
    Filed: June 7, 2006
    Date of Patent: November 17, 2009
    Assignee: NXP B.V.
    Inventors: David E. Penna, Stephen A. Tickell
  • GPS PROCESSING ARRANGEMENT
    Publication number: 20090073037
    Abstract: A software GPS processing arrangement comprising a FIFO buffer for receiving a stream of the GPS signal samples, a memory, a DMA controller for transferring the GPS signal samples from the FIFO buffer to the memory, a CPU running GPS signal processing software configured to retrieve the GPS signal samples from the memory and process them to obtain a position fix, and a counter operating independently of the DMA controller and the CPU for keeping count of the number of streamed GPS signal samples.
    Type: Application
    Filed: June 7, 2006
    Publication date: March 19, 2009
    Applicant: NXP B.V.
    Inventors: David E. Penna, Stephen A. Tickell