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Tamper detection mechanism for blind installation of circular sensors

United States Patent Application        20070290845           December 20, 2007

Abstract: 
A tamper detection mechanism in a sensor device comprising a body and a mounting base. The sensor device includes a substantially central resilient element/plunger attached to the mounting base. The body houses a printed circuit board includes a surface for mating to the resilient element to create a circuit. The mounting base may be removably affixed to a structure such as a wall or ceiling. When the mounting base is screwed into the structure and the body is coupled to the mounting base, the plunger is compressed and exerts a continuous pressure on the printed circuit board surface to complete the tamper circuit. If the sensor device is uncoupled and/or removed from the structure, the circuit is opened and a tamper indication signal is produced.

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Benjelloun; Faycal; (Great Neck, NY) ; Hsu; Wen-Hua; (Forest Hills, NY) Katz; Fred; (Hauppauge, NY)
HONEYWELL INTERNATIONAL INC
452641
11
June 14, 2006
340/568.1; 340/687
340/568.1; 340/687
G08B 13/14 20060101 G08B013/14; G08B 21/00 20060101 G08B021/00


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Last modified: 04/23/09 İFred Katz March 2008