Illumination – Revolving
Patent
1990-07-06
1992-07-07
Ostrager, Allen M.
Illumination
Revolving
362 78, B62J 600, F21V 3300
Patent
active
051288400
ABSTRACT:
A bicycle luminaire has first permanent magnets on spokes of a bicycle wheel, and a detection unit fixed to a stationary portion of the bicycle. The detection unit has a second permanent magnet, a Wiegand wire and a sensing coil. In place of the first magnets, Wiegand wires can be disposed on the spokes, and the detection unit can be formed with two magnets and sensing coil.
REFERENCES:
patent: 2083514 (1937-06-01), Brown
patent: 4191988 (1980-03-01), Kumakura
patent: 4225848 (1980-09-01), Roberts
Bulletin No. 103A, "Wiegand Effect Transducers", published by Sensor Engineering Co., U.S.A.
Maeda Kazunari
Seki Hiroshi
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