Patents by Inventor Edward F. Hebda

Edward F. Hebda 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).

  • Digital line receiver circuit
    Patent number: 3931580
    Abstract: A digital line receiver circuit which incorporates a slope detector in the form of a differential voltage comparator. The two inputs to the comparator receive a composite digital video signal but the signal on the second input is modified by a delay and biasing arrangement such that the output gives a representation of the time positions of polarity changes of the digital input.
    Type: Grant
    Filed: June 10, 1974
    Date of Patent: January 6, 1976
    Assignee: Xerox Corporation
    Inventor: Edward F. Hebda