Lighting system having photosensing timing switch circuit

Lighting system having photosensing timing switch circuit

Lighting system to facilitate remote modification of a light...

Logarithmic-to-linear photocontrol apparatus for a lighting syst

Logic lighting control system

Low impedance electron-beam controlled discharge switching syste

Luminaire starting aid device

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