Output correction system for analog sensor

Details Output correction system for analog sensor Output correction system for analog sensor

1986-04-23

1990-05-29

Lall, Parshotam S.

Boots, shoes, and leggings

36457102, 36457105, 364573, 364577, 34082506, 73 1R, G06F 1520, G08B 1710

Patent

active

049300954

ABSTRACT:
This invention is directed to an output correction system for an analog sensor which outputs an analog signal corresponding to a quantity of state. The output correction system for the analog sensor comprises a control section which receives an output from the analog sensor obtained under condition where the quantity of state is zero and an output from the analog sensor obtained under pseudo-condition equivalent to a certain quantity of state; a first arithmetic section for calculating a gradient on the basis of the output under the zero condition and the output under the pseudo-condition; a storage section for storing output characteristics defined by said gradient; and a second arithmetic section for calculating a quantity of state corresponding to the output from the analog sensor on the basis of the output characteristics defined by the gradient.

REFERENCES:
patent: 3960497 (1976-06-01), Acord
patent: 4059982 (1977-11-01), Bowman
patent: 4446715 (1984-05-01), Bailey
patent: 4525700 (1985-06-01), Kimura et al.
patent: 4556873 (1985-12-01), Yamada et al.
patent: 4578762 (1986-03-01), Wong

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