Patents by Inventor Daniel Fraley

Daniel Fraley 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).

  • Device and method for communicating in a mobile satellite system
    Patent number: 5781540
    Abstract: The present invention relates to a device and a method for communicating in a mobile communication system. The method provides a carrier signal having a plurality of frames. Each frame has a plurality of time slots, and each time slot comprises a plurality of transmission bits. A group of time slots are assigned to a communication channel. A traffic burst signal having a plurality of traffic symbols is transmitted over the communication channel by transmitting a first preamble over one of the assigned time slots, and transmitting a second preamble and at least one of the traffic symbols over at least one of the other assigned time slots. The second preamble occupies fewer transmission bits than the first preamble.
    Type: Grant
    Filed: June 30, 1995
    Date of Patent: July 14, 1998
    Assignee: Hughes Electronics
    Inventors: James Eryx Malcolm, Daniel Fraley, Adrian Morris, David Roos, Kumar Swaminathan, Seok Ho Kim, Robert Carroll Marquart