Levitated ball inclinometer

Details Levitated ball inclinometer Levitated ball inclinometer

1980-12-29

1982-08-17

Stephan, Steven L.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33312, 33313, G01C 906, G01C 916

Patent

active

043442358

ABSTRACT:
The circuitry and structure of a levitated ball inclinometer are disclosed. A ferromagnetic ball is centerized between pairs of electromagnets by electromagnetic forces of magnitudes sufficient to offset the gravitational forces imposed on the ball. The electric currents required are therefore proportional to the forces and can be used as measurements to determine inclination.

REFERENCES:
patent: 3421227 (1969-01-01), Turner et al.
patent: 3512852 (1970-05-01), North
patent: 3552028 (1971-01-01), Simon
patent: 3622971 (1971-11-01), Arps
patent: 3808697 (1974-05-01), Hall

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