Recording illumination

摘要

Systems and methods permit use of efficient solid state emitters for broad spectrum continuous spectrum lighting defined by illumination data. The illumination data, which can be sold as a commercial product, can be recorded or authored and include spectral, temporal, and spatial information. Intensities of individual emitters such as LEDs can be controlled through a combination of pulse width modulation (PWM) and amplitude modulation (AM) of drive currents. The combination of PWM and AM permits fine tuning of the spectrum of emissions and creation of free space optical data channels.

主权项

1. An illumination recording system comprising:
a light sensing system that measures a spectral distribution of lighting in an illuminated environment, wherein each measurement of the spectral distribution includes measurements of respective amounts of light in more than three wavelength bands; and a recording system that stores one or more of the measurements in an illumination recording representing the lighting.