Measuring and testing – Instrument proving or calibrating – Volume of flow – speed of flow – volume rate of flow – or mass...
Patent
1992-12-07
1995-02-21
Niebling, John
Measuring and testing
Instrument proving or calibrating
Volume of flow, speed of flow, volume rate of flow, or mass...
73517R, G01L 114, G01P 1508
Patent
active
053912837
ABSTRACT:
A detector for detecting a physical quantity as a quantity of electricity has a detection portion, a portion for stimulating the detection portion and a signal processing portion, wherein a calibration signal is supplied from the signal processing portion to the detection portion via the stimulating portion so as to measure a specific response of the detection portion, whereby self-calibration and correction of the characteristic of the detector are performed in accordance with an amount of a change in the response.
REFERENCES:
patent: 4638669 (1987-01-01), Chou
patent: 5095752 (1992-03-01), Suzuki et al.
patent: 5103667 (1992-04-01), Allen et al.
patent: 5163325 (1992-11-01), White et al.
Kaneyasu Masayoshi
Kuroiwa Hiroshi
Shimada Satoshi
Suzuki Seiko
Tsuchitani Shigeki
Bell Bruce F.
Hitachi , Ltd.
Niebling John
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