Lighting Systems
AssigneeHOLDIP Limited
InventorDavid Thomas Summerland
Life of this patent
Estimating the term…
Abstract
A power adaptor for a solid state light source is disclosed. The power adaptor comprises an input (10) for connection to a mains power supply, a drive circuit (60) for providing an output suitable for driving the solid state light source, and a discharge circuit (50) adapted to drain power by providing a discharge current path. The discharge circuit (50) is adapted to be active during at least a portion of the period in which the drive circuit (60) is inactive, and the discharge circuit (50) is adapted to be inactive during at least a portion of the period in which the drive circuit (60) is active.
Claims40
A power adaptor for a solid state light source, the power adaptor comprising an input for connection to a mains power supply, a drive circuit for providing an output suitable for driving the solid state light source, and a discharge circuit adapted to drain power by providing a discharge current path, wherein the discharge circuit is adapted to be active during at least a portion of the period in which the drive circuit is inactive, and the discharge circuit is adapted to be inactive during at least a portion of the period in which the drive circuit is active.
A lighting system comprising a power adaptor as claimed in any preceding claim and a lighting unit including a solid state light source.
A lighting unit suitable for direct connection to a mains supply, the lighting unit comprising a power adaptor as claimed in any preceding claim and a solid state light source.
Dependencies are inferred from the claim text.