Patents by Inventor Lawrence Robert Tracy

Lawrence Robert Tracy 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).

  • Security system having event detectors and keypads with integral monitor
    Patent number: 6163257
    Abstract: A security system includes cameras disposed for activation by components of the system to record images of activity detected by the components. The system responds to a keypad and/or communications from a public switched telephone network to present the images for viewing. A system according to the invention supports visual verification of false alarms, tracking of arrivals and departures and recording those who arm and disarm the system. Visual verification also can be used in connection with remote notifications or authorizations of entry to the secured area.
    Type: Grant
    Filed: October 29, 1997
    Date of Patent: December 19, 2000
    Assignee: Detection Systems, Inc.
    Inventor: Lawrence Robert Tracy