Patent ID: 9549454
Date: 2017-01-17
CPC Classifications: F21L,F21V,G01R,H05B,Y10T

Claim:
1. A lighting device, comprising: a light source; a main power source for providing power to the light source; a controller for controlling a plurality of modes of operation of the light source; a user interface configured to allow a user to select a desired mode of operation from the plurality of modes of operation; a temporary storage medium for storing the desired mode of operation; and an electrical circuit which provides power to the light source in an on condition, said electrical circuitry including the light source, the main power source, and the controller; wherein the controller is configured to select a default mode of operation from the plurality of modes of operation when the electrical circuit is not in the on condition for greater than a preselected period of time and to select the desired mode of operation when the electrical circuit is not in the on condition for less than the preselected period of time.