Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1991-05-13
1993-03-23
Ng, Jin F.
Communications: electrical
Condition responsive indicating system
Specific condition
340666, G08B 1314
Patent
active
051968274
ABSTRACT:
An alarm apparatus for detecting the removal of a handgun from a plate where the handgun is kept for quick accessibility. Embedded sensors detect the force exerted by the handgun on the plate. A handgun is placed on the plate and upper and lower threshold controls are adjusted to create a window encompassing the force exerted by the handgun. An alarm sounds if the force on the plate exceeds the window.
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FSR Technical Specifications, "Force and Position Sensing Resistors: An Emerging Technology", Interlink Electronics, (Stuart Yaniger and James P. Rivers), Aug. 15, 1989.
Allen William J.
Chavis Leon A.
Ng Jin F.
Oda Christine K.
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