Patents by Inventor Chumlong Deangdeelert

Chumlong Deangdeelert 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).

  • Apparatus and method for obtaining frequency agility in digital communication systems
    Patent number: 4785450
    Abstract: In a communication system that comprises a plurality of subscriber stations in RF communication with a base station having multiple sequentially repetitive time slots, each time slot being assigned to a particular subscriber station, means to change either the frequency or the time slot configurations, or both, in the event of a deterioration of transmission quality caused by modulation change, frequency channel interference, equipment failure, or the like, or by the entrance of additional subscriber stations going on line.
    Type: Grant
    Filed: August 6, 1987
    Date of Patent: November 15, 1988
    Assignee: International Mobile Machines Corporation
    Inventors: Duane R. Bolgiano, Chumlong Deangdeelert