MR16 Type High Power Led Lamp
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United States of America Patent
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N/A
Issued Date -
Jun 16, 2011
app pub date -
Dec 8, 2008
filing date -
Dec 19, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention refers to a MR16 high power LED lamp, particularly a MR16 high power LED lamp which can adapt to working frequency alternating current or high frequency alternating current with nominal working voltage of 12V AC. The LED lamp comprises a driver and a LED illuminant, wherein, the driver comprises a rectifying circuit, a constant current circuit, and an output circuit. An input end of the rectifying circuit inputs low-voltage alternating current with working frequency/high frequency of 12V. When the input end is input with low frequency alternating current of 12V or high frequency alternating current of 12V, the LED lamp is lighted, and value of resistance R is regulated for ensuring current value, namely value of constant current.
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