H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/45.2
H01H 36/00 (2006.01) H01H 1/66 (2006.01)
Patent
CA 1281352
ABSTRACT OF THE DISCLOSURE A reed switch device comprises a pair of magnets such as bar magnets or ring-shaped magnets which are arranged in inverted polar orientations such that they produce magnetic fields acting in opposite directions, and a reed switch which is movable relative to the pair of magnets such that the longitudinal axis of the reed switch is maintained substantially in parallel with the axes of magnetization of the magnets. The relative position between the reed switch and the magnets is detected through activation of the reed switch between on and off states caused in response to a change in the relative position between the pair of magnets and the reed switch.
558210
Naka Yasuhiro
Nakada Tsutomu
Bereskin & Parr
Nippon Aleph Corporation
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