Patent ID: 9125271
Filing Date: 2015-09-01
Classification: F21K,F21V,F21Y,H05B

Abstract:
1. A lamp comprising: a lamp base having at least three electrical contacts; an optical housing located distal from the lamp base; a light emitting diode (LED) light source within the optical housing; a capper assembly located between the lamp base and the optical housing; the capper assembly including two or more bias switches accessible by a user; electronic circuitry located within the capper assembly, the electronic circuitry electrically coupled to the three electrical contacts and the LED light source; the electronic circuitry including a respective bias circuit for each of the two or more bias switches; each of the respective bias circuits configured to provide a respective drive current to the LED light source, each respective drive current independent of other of the respective drive current; the electronic circuitry configured to remove one of the respective drive currents based on an input voltage on at least one of the three electrical contacts; and the two or more bias switches are user-settable to set the drive current.