Dimmable ballast control circuit

Dimmable flex arm lamp

Dimmer control circuit

Dimmer control system having remote infrared transmitters

Discharge lamp operating circuit

Display apparatus and control method thereof

Display devices with ambient light sensing

Drive circuit of light emitting element

Driving arrangement for a varying color light emitting element

Eight electrode optical readout gap

Electric circuit control system using logic device

Electric flash device

Electric flash device

Electric flash lamp unit with a light controlling circuit

Electrical devices

Electrical energy discharge control

Electrical energy discharge control

Electroluminescent driving apparatus with photodetector

Electron emitting device, electron generator employing said elec

Electronic adornment for simulating natural flickering light