Servo accelerometer

Details Servo accelerometer Servo accelerometer

1990-08-09

1991-10-08

Ro, Bentsu

Electricity: motive power systems

Positional servo systems

With particular 'error-detecting' means

318490, 73517R, G01P 1508

Patent

active

050557599

ABSTRACT:
A servo accelerometer includes a pendulum, a coil, a detection unit, and a servo unit. The detection unit has a photopotentiometer for receiving light passing through a slit of the pendulum and outputting a detection output on the basis of a change in resistance corresponding to a change in irradiation point. The servo unit has a displacement detection circuit for outputting a difference between a detection output from the photopotentiometer and a set value as a detection displacement amount.

REFERENCES:
patent: 3789674 (1974-02-01), Anderson et al.
patent: 3798454 (1974-03-01), Weiss
patent: 4239963 (1980-12-01), August et al.
patent: 4779463 (1988-10-01), Woodruff
patent: 4930862 (1990-06-01), Miers et al.

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