Capacitive acceleration detector having reduced mass portion

Details Capacitive acceleration detector having reduced mass portion Capacitive acceleration detector having reduced mass portion

1990-10-12

1993-07-20

Chapman, John E.

Measuring and testing

Speed, velocity, or acceleration

Acceleration determination utilizing inertial element

73517B, 361280, G01P 15125

Patent

active

052283410

ABSTRACT:
Disclosed is an acceleration detector which has an electrically conductive mass portion formed at a free end of a cantilever, and fixed electrodes arranged opposite to the mass portion through a gap so that the value of acceleration is detected on the basis of the change of capacitance between the mass portion and the fixed electrodes, and in which at least one space is formed in the inside of the mass portion to lighten the weight of the mass portion to thereby widen the range of measurement.

REFERENCES:
patent: 2311637 (1943-02-01), Buchanan
patent: 4483194 (1984-11-01), Rudolf
patent: 4660418 (1987-04-01), Greenwood et al.
patent: 4679434 (1987-07-01), Stewart
patent: 5006487 (1991-04-01), Stokes
patent: 5044201 (1991-09-01), Farace et al.

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