Security bar with fiber optic cable based security monitoring

Details Security bar with fiber optic cable based security monitoring Security bar with fiber optic cable based security monitoring

2007-06-05

2007-06-05

Wu, Daniel (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S540000, C340S541000, C340S555000, C250S216000, C250S227110, C250S227140, C250S227160

Reexamination Certificate

active

11045647

ABSTRACT:
A security bar providing improved security from breach is obtained with the use of a fiber optic cable longitudinally inserted in a hollowed out cavity thereof. Monitoring of the security bar to identify attempts at breach thereof may be achieved by connecting an optical light source to one end of the fiber optic cable and a light monitoring device (i.e., an optical receiver) at the other end. In this manner, a breach of the security bar is identified when the optical receiver fails to receive the light generated by the optical light source. In one embodiment, an isolator which consists of a material that is soft enough to absorb a potential shock but hard enough to break or splinter if the security bar is substantially deformed (e.g., wood) surrounds the fiber optic cable.

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