Continuous transducer drift compensator

Details Continuous transducer drift compensator Continuous transducer drift compensator

1980-11-12

1983-06-07

Gruber, Felix D.

Boots, shoes, and leggings

328165, 364834, H04B 1500, G06G 7186

Patent

active

043874380

ABSTRACT:
In a transducer signal processing system wherein the output signal generated by a transducer (14) includes a nearly d.c., relatively large amplitude drift component (12), a higher frequency end point, data component (10) and a high frequency noise (hash) component (11), the drift and hash components are substantially eliminated by supplying the composite transducer output signal to a pair of parallel integrator circuits (28, 30) having different integration time constants. The faster integrator (28) passes the drift and data signal components, while attenuating the hash component, whereas the slower integrator (30) passes the drift component and attenuates the data and hash components. The output of the slower integrator (30) is subtracted from the output of the faster integrator (28) to provide a resultant signal containing essentially only the transducer data component.

REFERENCES:
patent: 3231823 (1962-07-01), Garfield et al.
patent: 3268824 (1963-04-01), Hinrichs et al.
patent: 3462240 (1969-08-01), Bosselaar et al.
patent: 3594557 (1971-07-01), Anderson
patent: 3605129 (1971-09-01), Kubanoff
patent: 3757288 (1973-09-01), Morin

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