High accuracy accelerometer

Details High accuracy accelerometer High accuracy accelerometer

1983-02-22

1986-07-15

Kreitman, Stephen A.

Measuring and testing

Gravitational determination

73517R, 73517B, G01P 1513, G01V 700

Patent

active

045998965

ABSTRACT:
A method and apparatus for measuring acceleration and/or gravity are disclosed. At least one auxiliary mass is provided which, in cooperation with apparatus in accordance with the invention, is alternately engaged to and disengaged from the proofmass of an accelerometer to provide two distinct torque values, each value including a pendulosity-modulated component and an unmodulated component from which a value of acceleration and/or gravity may be extracted that is essentially free from bias uncertainty.

REFERENCES:
patent: 2132865 (1938-10-01), Thyssen-Bornemisza
patent: 2559919 (1951-07-01), Gustafsson
patent: 2842351 (1958-07-01), Rodder
patent: 3071008 (1963-01-01), Steele

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