Gravity sensor

Details Gravity sensor Gravity sensor

2007-04-24

2007-04-24

Lauchman, Layla G. (Department: 2877)

Optics: measuring and testing

Photometers

Photoelectric

C250S231130, C250S221000, C250S23700G

Reexamination Certificate

active

10861386

ABSTRACT:
A gravity sensor has a photo interrupter and a gravity wheel. The photo interrupter has a housing, a cavity in the housing, a light emitter on one side of the housing and a light detector on the other side of the housing. The gravity wheel points in a direction of gravity and has a pivot at center thereof and pivotally arranged on the housing, a plumb at one edge of the gravity wheel and a plurality of through holes annularly arranged in the gravity wheel. The gravity wheel has a portion present in the cavity. An inclined angle of a test object is determined by calculating relative movement between the photo interrupter and the gravity wheel.

REFERENCES:
patent: 6097374 (2000-08-01), Howard
patent: 7079112 (2006-07-01), Liebenow

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