Patents by Inventor Gary W. Lake

Gary W. Lake 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).

  • Single-chip GPS receiver digital signal processing and microcomputer
    Patent number: 5504684
    Abstract: An embodiment of the present invention combines, on a single integrated circuit, an eight channel GPS receiver, a 68330-type microprocessor, a 68681-type DUART serial communications controller, an analog-to-digital converter, a real-time clock, a random access memory and a boot read-only memory. A system integration module and inter-module bus allow tri-state control of the microprocessor such that a commercially available 68332-type emulator may be used for software development.
    Type: Grant
    Filed: December 10, 1993
    Date of Patent: April 2, 1996
    Assignee: Trimble Navigation Limited
    Inventors: Chung Y. Lau, Kreg A. Martin, Gary W. Lake