Dedicated bias supply for radio communications in light drivers
AssigneeErp Power, LLC
InventorJames H. Mohan
Life of this patent
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Abstract
A power supply system for driving a light source includes a transformer including a primary winding and a plurality of secondary windings including an output bias winding, a control bias winding, and an RF bias winding, the output bias winding being electrically coupled to and configured to supply electrical power to the light source, a control circuit electrically coupled to and configured to receive electrical power from the control bias winding; and an RF communication circuit electrically coupled to and configured to receive electrical power from the RF bias winding.
Claims15
A power supply system for driving a light source, the power supply system comprising:
- a transformer including a primary winding and a plurality of secondary windings comprising an output bias winding, a control bias winding, and an RF bias winding, the output bias winding being electrically coupled to and configured to supply electrical power to the light source;
- a control circuit electrically coupled to and configured to receive electrical power from the control bias winding;
- and
- an RF communication circuit electrically coupled to and configured to receive electrical power from the RF bias winding.
Dependencies are inferred from the claim text.