Maintaining LED luminous intensity

Manually controlable light feedback adjustment device for gas di

Means for compact spatial optical integration

Method and apparatus for controlling light intensity

Method and apparatus for controlling luminous intensity of fluor

Method and apparatus for controlling the temperature of a...

Method and apparatus for dimming control of electronic ballasts

Method and apparatus for measuring output of a heat lamp for an

Method and circuit arrangement for heating and igniting as well

Method and device for dimming lighting control devices to a...

Method and system for luminance characterization

Method and system for luminance characterization

Method for automatic switching and control of lighting

Method for controlling fluorescent lamp dimmers and circuit for

Method for dimming a light generatng system for generating...

Method for providing bi-level illumination in a stair well

Method for triggering a sensor-controlled lamp

Method of and circuit for brightness and temperature-dependent c

Method of detecting an arc in a glow-discharge device and...

Method of programming a lighting preset from a...