Patents by Inventor Richard Lewis Matatall, Jr.

Richard Lewis Matatall, Jr. 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).

  • Alarm system testing circuit
    Patent number: 5640142
    Abstract: A testing circuit for an alarm system is disclosed. The testing circuit is operable in an alarm system that includes a microphone for receiving an audio sound and a detector/generator for detecting audio characteristics in the audio sound corresponding to breaking glass and for generating an alarm signal in response thereto. The audio characteristics corresponding to breaking glass include first and second frequency components in timed relation, wherein the first frequency must be detected prior to the second frequency for an alarm to be generated.
    Type: Grant
    Filed: July 17, 1996
    Date of Patent: June 17, 1997
    Assignee: Pittway Corporation
    Inventors: Richard Lewis Matatall, Jr., Joseph John Turek, Jr., Stanley Joseph Turek