Patents by Inventor Thomas Edwin Stern

Thomas Edwin Stern 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).

  • Phase filter for reducing the effects of the noise components altering discrete phase modulated signals
    Patent number: 3972000
    Abstract: A digital phase filter including two decision filters connected in cascade or parallel for minimizing the noise components in a received phase modulated digital signal. The first decision filter cancels the residual noise component representing the phase intercept component and the phase shift component introduced by frequency shift, and the second decision filter minimizes the random noise component representing phase jitter and white noise.
    Type: Grant
    Filed: July 15, 1975
    Date of Patent: July 27, 1976
    Assignee: International Business Machines Corporation
    Inventors: Andre Eugene Desblache, Thomas Edwin Stern, Philippe Emmanuel Thirion