Ceiling fan proximity safety apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Jun 30, 2005
app pub date -
Dec 1, 2004
filing date -
Dec 1, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A apparatus for preventing the incursion of persons (i.e. hands) or objects into the path of rotating ceiling fan blades. The apparatus may be embodied as an aftermarket device or integrated within an aftermarket device or more preferably within the fan electronics themselves. In one embodiment the sensors span at least a large portion of the length of one or more fan blades. The distributed sensor is configured to detect proximity of persons, or persons and objects. By way of example the sensor may comprise an inductive loop, or capacitive sensing circuit. In response to absolute and/or changes in proximity annunciations are generated as audio and/or optical output thus alerting the individual to the incursion danger.
First Claim
Family
International Classification(s)
Cited Art Landscape
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