Patents by Inventor James L. Langston

James L. Langston 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 system for controlling remote multipoint stations
    Patent number: 6212397
    Abstract: Multipoint Stations are controlled by one or more pilot tones broadcasted by a base station. The pilot tones are used to control the local oscillators of the remote stations both for receive and for transmit. The pilot tone is also used to control the input gain and the transmit gain of the remote station.
    Type: Grant
    Filed: December 22, 1997
    Date of Patent: April 3, 2001
    Assignee: Texas Instruments Incorporated
    Inventors: James L. Langston, Michael F. Black, William K. Myers, James S. Marin, Douglas B. Weiner