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US 2012/0266470 A1Published application
Displacement Sensor with Reduced Hysteresis
OwnerJack A. Ekchianinventor
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Abstract
A method and apparatus are provided for reducing hysteresis in displacement sensors by reducing the resistance to motion between components in the sensing units that move relative to each other.
Claims7
1) an inclinometer comprising;
- a base for attaching the inclinometer to other objects;
- an inclination sensing unit comprising a vessel that is partially filled with a conductive liquid;
- at least one conductive wall segment within said vessel that is coated with a dielectric layer that contacts said liquid;
- at least one conductive wall segment within said vessel that contacts said liquid;
- wherein the contact angle between said conductive liquid and at least a portion of a wall segment within said vessel is greater than 100°.
2 more elements
Dependencies are inferred from the claim text.