Compensating accelerometer with optical angle sensing

Details Compensating accelerometer with optical angle sensing Compensating accelerometer with optical angle sensing

2006-07-30

2008-08-05

Williams, Hezron E. (Department: 2856)

Measuring and testing

Speed, velocity, or acceleration

With response to a nonspeed condition

C073S514260, C073S514360

Reexamination Certificate

active

07406868

ABSTRACT:
A compensating accelerometer includes a housing, and a sensing element mounted in the housing. The sensing element includes a pendulum flexibly mounted on a base. The sensing element includes a coil mounted on a movable plate, a curtain having a slit, and a load mass affixed to the curtain. An angle sensor within the housing includes the curtain, a fork, a light source and a differential light detector. A momentum sensor within the housing includes a permanent magnet, an inner magnetic conductor, an outer magnetic conductor and the coil. The permanent magnet is magnetized in a direction of an axis of the pendulum. A stopper is used to adjust position of the fork. A spring is on opposite side of the fork, for taking up slack in the fork. A fixator has an eccentric, for adjusting a gap between the curtain and the light detector.

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European Search report for Application No. 07250954.0-1236.

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