Attitude displacement measurement apparatus

Details Attitude displacement measurement apparatus Attitude displacement measurement apparatus

1986-08-20

1987-11-17

Martin, Jr., William D.

Geometrical instruments

Indicator of direction of force traversing natural media

Gyroscopically controlled or stabilized

33300, 384461, 74 534, G01C 2200

Patent

active

047063890

ABSTRACT:
An attitude displacement measurement apparatus including a base, primary bearing means retained by the base, auxiliary bearing means mounted for rotation on the primary bearing means on a given axis with respect to the base, a first rotor mounted for rotation on the auxiliary bearing means on the given axis, a second rotor mounted for rotation on the auxiliary bearing means on the given axis, a first drive mechanism coupled to the first rotor and operable to produce rotation thereof on the auxiliary bearing means in one sense on the given axis, and a second drive mechanism coupled to the second rotor and operable to produce rotation thereof on said auxiliary bearing means on the given axis in a sense opposite to the one sense. Also included are a first sensor for sensing the rotational speed of the first rotor with respect to the base, a second sensor for sensing the rotational speed of the second rotor with respect to the base, and a comparator for determining the difference between the rotational speeds sensed by the first and second sensors.

REFERENCES:
patent: 3547503 (1970-12-01), Konet
patent: 3642331 (1972-02-01), Silver
patent: 3793737 (1974-02-01), Alth
patent: 4416066 (1983-11-01), Romacker

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