Patents by Inventor John Brian Evans

John Brian Evans 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).

  • Adaptive equalizer with improved distortion analysis
    Patent number: 4097806
    Abstract: A receiving terminal for a switched analog data communications system is equipped with an adaptive equalizer which is adjusted on a single pass in response to a series of test pulses transmitted during a predetermined equalizer adjustment period.
    Type: Grant
    Filed: March 31, 1976
    Date of Patent: June 27, 1978
    Assignee: Xerox Corporation
    Inventor: John Brian Evans
  • Adaptive equalizer with improved distortion analysis
    Patent number: 4063183
    Abstract: A receiving terminal for a switched analog data communications system is equipped with an adaptive equalizer which is adjusted on a single pass in response to a series of test pulses transmitted during a predetermined equalizer adjustment period.
    Type: Grant
    Filed: February 10, 1977
    Date of Patent: December 13, 1977
    Assignee: Xerox Corporation
    Inventor: John Brian Evans