Electricity: measuring and testing – Electrical speed measuring – Including speed-related frequency generator
Patent
1997-02-27
1999-03-09
Strecker, Gerard
Electricity: measuring and testing
Electrical speed measuring
Including speed-related frequency generator
7351439, 32420722, G01P 3487, G01P 102, G01P 344
Patent
active
058805850
ABSTRACT:
A rotation detector comprising a housing having an inserting portion for inserting a wheel shaft, a magnet, to be coupled to a wheel mounted to the wheel shaft, into which the inserting portion is inserted such that the magnet is rotated in synchronism with the wheel mounted to the wheel shaft, and a magnetic conversion element arranged at a portion of the housing in the proximity of the magnet.
REFERENCES:
patent: 3731533 (1973-05-01), Geery
patent: 3915266 (1975-10-01), Lantz
patent: 4257040 (1981-03-01), Shirasaki et al.
Nippon Seiki K.K.
Strecker Gerard
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