Patents by Inventor Salvatore DeFrancesco

Salvatore DeFrancesco 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).

  • Patent number: 5191327
    Abstract: A mechanical-to-electrical transducer arrangement wherein a combination of signal preamplifier and programmable analog signal processing circuitry is disposed immediately adjacent the transducer's sensor cell where low losses a low noise coupling into the signal path can be achieved. The programmable analog processing includes differentiation, filtering, integration, amplification and elective disconnection of the sensor cell to enable rapid transient signal recovery. Provisions for generation of transducer identification code and test signals in the processing circuitry and communications by way of a two wire time shared communication path is included.
    Type: Grant
    Filed: June 19, 1990
    Date of Patent: March 2, 1993
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Richard D. Talmadge, Kenneth E. Appley, Salvatore DeFrancesco