H - Electricity – 01 – H
Patent
H - Electricity
01
H
340/136.1
H01H 35/00 (2006.01)
Patent
CA 1231767
Abstract of the Disclosure An angle change detector which can also be used as an inclination angle detector comprises a pair of opposing magnets, a sector-shaped pendulum made of an electroconductive non magnetic material and swingable past a spacing between the opposing magnets, and a pair of photosensors disposed on both side edges of the pendulum. Each photosensor comprises a light emitting diode and a phototransistor disposed on both sides of the pendulum. Output signals of the phototransistors are compared with a reference signal for producing an output signal corres- ponding to the degree of swinging of the pendulum.
430047
Iiyama Hiroshi
Komasaku Seiichi
Tanaka Osamu
Watanabe Noboru
Jeco Co. Ltd.
Macrae & Co.
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