A - Human Necessities – 63 – B
Patent
A - Human Necessities
63
B
A63B 63/00 (2006.01) F41J 5/04 (2006.01) F41J 5/056 (2006.01) A63B 24/00 (2006.01) A63B 69/00 (2006.01)
Patent
CA 2165923
The invention provides a sensor for detecting impacts from, for example, a hockey puck striking a target apparatus embodying the sensor. The sensor uses a thin brass disc to which is secured a piezoelectric ceramic disc. An insulating disc having an electrically conductive element passing therethrough is held against the ceramic disc. A wire is soldered to the brass disc and another wire is soldered to the element in the insulating disc. The upper surface of the brass disc, the ceramic disc and the insulating disc are embedded in a silicone material with the wires extending therefrom. The sensor may be incorporated into a spring biased sensor assembly which is positioned adjacent a medium that is expected to receive impact blows. The sensor will detect such blows and provide, consistently, a signal to indicate reception of the blows. The sensor can withstand a vast multitude of impacts without failure as the wires are not physically loaded and the elements thereof are cushioned by the embedding material.
Fairshot Inc.
Macrae & Co.
LandOfFree
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