Pitch sensor system

Details Pitch sensor system Pitch sensor system

1994-03-24

1995-05-23

Will, Thomas B.

Geometrical instruments

Indicator of direction of force traversing natural media

Level or plumb, terrestrial gravitation responsive

33377, G01C 906

Patent

active

054169771

ABSTRACT:
A very small pitch sensor which accurately measures angular rotation about he pitch axis while being substantially insensitive to angular rotations about the roll or yaw axes. The pitch sensor comprises a spherical cavity that is fluid filled. The fluid fill further comprises one half conductive fluid and one half dielectric fluid. The fluids are selected to be immiscible and of different densities. The inside of the spherical cavity is segmented into three surface areas for connection to an electronic circuit. The electronic circuit measures voltage differentials between the segmented surface areas which vary with the conductive fluid surface in contact with the respective segmented areas. The conductive fluid surface contact area varies with the angular rotation of the cavity and about the pitch axis.

REFERENCES:
patent: 2936411 (1960-05-01), Doty
patent: 3487303 (1969-12-01), Remington
patent: 4624140 (1986-11-01), Ekchian et al.
patent: 4800542 (1989-01-01), Franklin et al.

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