233276 ⎘
Circuit arrangements or apparatus for igniting or operating discharge lamps; Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps; Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
DISCHARGE LAMP LIGHTING DEVICE
#2Long life, fail safe traffic light
#3Projector and method for controlling a projector discharge lamp
#4Lamp assembly and circuits for protection against miswiring in a lamp controller
#5Illumination lighting device, discharge lamp lighting device, and vehicle headlamp lighting device using same
#6Arc discharge detecting circuit, light source driving apparatus having the same and method of driving a light source using the same
#7Discharge lamp lighting circuit
#8Circuit arrangement and method of driving a high-pressure gas discharge lamp
#9Electronic Control Gear and Method of its Use
#10System and method for projector lamp safety interlock
#11Circuit designs and control techniques for high frequency electronic ballasts for high intensity discharge lamps
#12Discharge lamp ballast with detection of abnormal discharge outside the arc tube
#13Ballast power supply
#14Method and apparatus for monitoring signals of a projector
#15Lighting apparatus for discharge lamp
#16Peak detecting circuit and discharge lamp lighting device
#17Apparatus for protecting an integrated circuit and method thereof
#18Lighting device