LED tube and lighting fixture arrangement
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United States of America Patent
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Dec 17, 2013
Grant Date -
Oct 27, 2011
app pub date -
Apr 22, 2011
filing date -
Apr 23, 2010
priority date (Note) -
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Abstract
A LED tube includes a substantially fluorescent-tube-shaped and fluorescent-tube-sized translucent or fluorescent tube having one or more LED components and a current control unit installed therein. Both ends of the LED tube are provided with a pair of contact pins for connecting the LED tube mechanically and electrically to the tube holders of the fluorescent tube lighting fixture. The tube has a safety unit arranged to prevent a voltage from transferring through the tube from its one end to the other until a voltage supplied from the corresponding tube holder of the lighting fixture to the pair of contact pins has been detected at each end of the tube separately. Electric power or switching control of electric power is cross-connected between the ends of the LED tube.
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