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US 2013/0154488 A1Published application
Dimmable LED Driver with Multiple Power Sources
OwnerLaurence P. Sadwick, William B. Sackett +1inventors
InventorsLaurence P. Sadwick, William B. Sackett, Jared Wyckoff
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Abstract
A dimmable LED driver with multiple power sources.
Claims20
An apparatus for powering a load, comprising:
- a power input;
- a load output;
- a switch operable to control a flow of current from the power input to the load output;
- a power storage device operable to store power from the power input when the switch is closed and to release the power when the switch is open;
- a pulse generator operable to open and close the switch;
- and
- a plurality of power sources operable to supply power to the pulse generator.
4 more elements
A method of powering a load, comprising:
- generating a pulse stream in a pulse generator;
- controlling a switch with the pulse stream to control a flow of current from a power input to a load output;
- storing power from the flow of current when the switch is closed and releasing stored power when the switch is open;
- and
- switchably powering the pulse generator from a plurality of power sources.
2 more elements
Dependencies are inferred from the claim text.