Power management sensing rotating platter with liquid contact switch responsive to platter rotational speed
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 16, 2001
Grant Date -
N/A
app pub date -
Feb 15, 2000
filing date -
Feb 15, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to an electrical switch including an arcuate cavity partially filled with an electrically conducting fluid. The fluid is adapted to move into electrical contact with a pair of electrodes positioned within the cavity in response to a rotational force acting thereupon. The switch is electrically connectable to a rotatable platter. When connected to the platter, the switch is positioned radially outward from the platter's axis of rotation, such that the forces generated by the platter upon rotation urge the electrically conducting fluid into contact with the electrodes and thus complete a circuit.
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