A multiple-cell led arrangement, related cell and...

A novel circuit for power factor and lamp efficiency

A portable electric heater deenergized by a tip-over...

A power control apparatus for lighting systems

A power supply for discharge lamps with balanced resonant...

A pressure cooking commutation electrode mounting system for...

A process for laser scribing and electroluminescent laminate...

A protection device for electronic converters, related...

A radiant device

A radiant electric heating element

A raw substrate used for manufacturing an insurating...

A reversible dimmer device of gas discharge lamps and the...

A self-regulating electrical resistance heating element

A self-regulating electrical resistance heating element

A surgical light

A system and apparatus for controlling light intensity...

A system and method for copying settings of a device to...

A system and method for cycling a metal-halide lamp on and...

A system and method for induction heating a helical rotor...

A system for determining the nominal voltage of a power supply