| 摘要 |
An orientation sensor includes variable resistance elements within the sensor, the variable resistance elements forming an electric circuit with a conductive ball or drop of conductive material. The resistance of the electric circuit uniquely identifies the orientation of the apparatus. A method of determining the orientation of an apparatus includes measuring the resistance of a circuit completed between two conductive members in the apparatus, and determining the position of a freely movable conductive member in the apparatus from the measured resistance.
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