G - Physics – 01 – P
Patent
G - Physics
01
P
340/77
G01P 21/00 (2006.01) G01P 15/11 (2006.01) G01P 15/135 (2006.01) H01H 35/14 (2006.01)
Patent
CA 2012997
DEVICE AND METHOD FOR TESTING ACCELERATION SHOCK SENSORS Abstract of the Disclosure A testing device (11) is applied to an acceleration shock sensor (10) of the type having a reed switch (24) that operates such that the net mass of a magnet (40) is accelerated against a biasing means such as a spring (50) upon vehicle impact or rapid deceleration of the vehicle. The change in magnet (40) position causes a change in the magnetic field that activates the reed switch (24). The testing device (11) includes an eletromagnetic coil (90) mounted in an area of minimal reed switch (24) sensitivity. The electromagnetic coil (90) is connected to be capable of providing a current flow that creates a magnetic field that opposes the magnetic field of the magnet (40). Upon energizing of the coil (90), the magnet (40) is urged to accelerate in a manner that emulates the acceleration of the magnet (40) caused by vehicle collision.
Bossenmaier Alban
Henseler Wolfgang
Katz Egon
Petri Volker
Reneau Daniel R.
Borden Ladner Gervais Llp
Daimler-Benz Ag
Hamlin Incorporated
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