Circuit for levitated ball inclinometer

Details Circuit for levitated ball inclinometer Circuit for levitated ball inclinometer

1982-06-15

1984-02-14

Little, Willis

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33363Q, G01C 906

Patent

active

044308035

ABSTRACT:
An inclinometer has a ferromagnetic ball levitated between pairs of electromagnets. When the inclinometer changes attitude, the ball moves in response to the change in relative gravity direction. Alternating currents are applied to the proper electromagnets and in the magnitudes needed to re-center the ball. The same signals which determine the re-centering currents are the inclinometer outputs.

REFERENCES:
patent: 2893134 (1959-07-01), Shea et al.
patent: 3421227 (1969-01-01), Turner et al.
patent: 3492738 (1970-02-01), Simon
patent: 3512852 (1970-05-01), North

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