Patent ID: 9407365
Filing Date: 2016-08-02
CPC Classification: H04B,H05B

Claim Text:
1. A lighting device comprising: at least one light source for providing a light output, a dimming component for providing dimming of said light output using a present dimming mode selected from a multiple of dimming modes, wherein each dimming mode is associated with a respective predetermined dimming method from a multiple of different dimming methods employable by the lighting device, and an embedding component for embedding a code in said dimmed light output with a modulation method selected from a plurality of modulation methods, said embedding component configured to control the instantaneous dimmed light output such that the integrated value of said dimmed light output during a time period T is modulated to embed said code and is configured to be demodulated by a receiver without a-priori knowledge of the dimming method selected, wherein the modulation method is selected according to the dimming method associated with the present dimming mode.