Patents by Inventor Antares Parvulescu

Antares Parvulescu 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).

  • Correlation system using matched signals
    Patent number: 3939461
    Abstract: 4. A signal-reconstitution method for signals transmitted through a bounded medium comprising the steps of:Propagating a first signal from one point in said bounded medium;Receiving the propagated signal at another point in said bounded medium;Propagating the received signal from one of said points;Receiving the second propagated signal at the other of said points;Reversing the second received signal with respect to time;Propagating said reversed signal from one of said points in said bounded medium; and,When a reflecting object is present at the other of said points, receiving an echo signal at the point at which the reversed signal was propagated, the form of said echo signal approximating the form of said first signal.
    Type: Grant
    Filed: November 19, 1962
    Date of Patent: February 17, 1976
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Antares Parvulescu