Patents by Inventor Adrian F. Wolf

Adrian F. Wolf 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).

  • Sensing element for an alarm system
    Patent number: 5049854
    Abstract: A sensing element (18) for use in an alarm system for protecting an area enclosed by flexible closure device (10). The element includes a plurality of conductors (16), at least one of which is a decoy conductor intended to prevent circumvention of the alarm system by short-circuiting or the like. The decoy conductor can be a dummy conductor carrying no current, or can be connected into an alarm circuit arranged to sense attempts to connect the decoy conductor to another conductor.
    Type: Grant
    Filed: January 24, 1991
    Date of Patent: September 17, 1991
    Inventor: Adrian F. Wolf