LED lamp with dual mode operation

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United States of America Patent

PATENT NO 9557044
SERIAL NO

14702591

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Abstract

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An LED lamp has dual modes of operation from fluorescent lamp fixtures. A first circuit powers at least one LED in a first mode of operation when first and second power pins at a first end of the lamp are inserted into power contacts of the fixture that are directly connected to power mains. A second circuit powers at least one LED in a second mode of operation when the second power pin at the first end of the lamp and a third power pin at a second end of the lamp are inserted into power contacts of a fixture powered from an electronic ballast. First and second conduction control means permit the second circuit to power at least one LED during the second mode of operation.

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Patent Owner(s)

Patent OwnerAddress
ENERGY FOCUS INC32000 AURORA ROAD SOLON OH 44139

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bina, David Northfield Center, US 11 31
Davenport, John M Tuscon, US 120 2427
Heilman, Jeremiah Middleton, US 6 35

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