Measuring and testing – Volume or rate of flow – By measuring thrust or drag forces
Patent
1985-04-05
1986-12-02
Goldstein, Herbert
Measuring and testing
Volume or rate of flow
By measuring thrust or drag forces
73DIG3, G01F 128
Patent
active
046255656
ABSTRACT:
A wind velocity sensor provided with a stationary base having a permanent magnet or a Hall element fixed thereon, an elastic plate having the other of the permanent magnet and the Hall element fixed to a portion opposite to the one of the permanent magnet and the Hall element, and an inversion amplifier having the outputs of the Hall element inputted thereto, the inversion amplifier developing a liner output with respect to wind velocity.
REFERENCES:
patent: 3208276 (1965-09-01), Wood et al.
"Applying Linear Output Hall Effect Transducers" in Solid State Application Note by Honeywell 1984 (pp. 1-3).
McCall, Jr. et al., "A Linear Position Transducer Using Hall Effect Devices" in IEEE Trans., vol. IM-26 #2, 6/77, pp. 133-136.
Sinha "Analog Measurement of Position Using Hall Effect" in IEEE Trans., vol. IECI-26 #3, 8/79, pp. 196-198.
Gahara Motohiro
Tsubakishita Hiroaki
Wada Eiichi
Goldstein Herbert
Sinko Kogyo Co., Ltd.
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