233291 ⎘
Circuit arrangements or apparatus for igniting or operating discharge lamps; Circuit arrangements; Controlling; Controlling the intensity of light during the transitional start-up phase for a transition from glow to arc
Discharge lamp lighting apparatus
#2Discharge lamp lighting device, discharge lamp lighting method, and projector device
#3Method and driving device for running up a discharge lamp
#4Discharge lamp with contact paths within the base
#5Spot mode operation for a discharge lamp
#6SYSTEM AND METHOD FOR IMPROVED RAPID CYCLING PERFORMANCE OF INSTANT START FLUORESCENT LAMPS
#7Discharge lamp lighting device, discharge lamp lighting method, and projector device
#8Method and control circuit for starting a gas-discharge lamp
#9Electric supply device
#10High-pressure discharge lamp lighting device, high-pressure discharge lamp device using the same, projector using the high-pressure discharge lamp device, and lighting method for high-pressure discharge lamp
#11Ignition control apparatus used in electronic ballast and method thereof
#12Electronic method to improve the starting characteristics of direct current arc lamps
#13Light source apparatus, projector, and light source apparatus drive method
#14Electronic ballast and method for providing a DC voltage component during lamp startup
#15Method of starting an HID lamp and ballast incorporating same
#16High-pressure discharge lamp lighting device with current control, high-pressure discharge lamp device using same, projector using said high-pressure discharge lamp device, and high-pressure discharge lamp lighting method with current control
#17Discharge lamp lighting apparatus
#18Power supply having an auxiliary power stage for sustaining sufficient post ignition current in a DC lamp
#19Discharge lamp lighting device and lighting fixture
#20Electronic ballast with feedback current control for preheating of lamp filaments
#21Lighting of discharge lamp by frequency control
#22Electronic ballast with lamp flicker suppression during start-to-steady state transition
#23High pressure discharge lamp lighting device and luminaire using same
#24High pressure discharge lamp lighting device and luminaire
#25High-pressure discharge lamp lighting device and lighting fixture using the same
#26DISCHARGE LAMP OPERATION DEVICE
#27Electronic ballast for high intensity discharge lamps
#28Method for Detecting Faults During Operation of High-Pressure Discharge Lamp Using Electronic Ballasts
#29HIGH INTENSITY DISCHARGE LAMP DRIVER WITH VOLTAGE FEEDBACK CONTROLLER
#30Discharge-lamp lighting device and luminaire
#31Light source apparatus, projector, and light source apparatus drive method
#32Discharge lamp lighting control method, computer program, discharge lamp lighting control apparatus, and power supply circuit
#33DISCHARGE LAMP LIGHTING DEVICE AND IMAGE PROJECTION DEVICE
#34Control Unit for a Lamp Driver Providing Smooth Transition Between Operation Modes
#35Discharge lamp lighting apparatus and projector
#36DISCHARGE LAMP LIGHTING APPARATUS
#37Discharge lamp ballast apparatus comprising DC/DC converters having at least two transformers and outputting two kinds of voltages
#38Power supply apparatus for discharge lamp and control method for the same
#39Lighting of discharge lamp by frequency control
#40Discharge lamp lighting apparatus and lamp system using the lighting apparatus
#41Circuit designs and control techniques for high frequency electronic ballasts for high intensity discharge lamps
#42Ballast for high-pressure discharge lamp and method of operating the same
#43Method and device for ballast management in particular for a motor vehicle headlamp
#44Method and circuit for igniting and powering a high intensity discharge lamp
#45Discharge lamp lighting apparatus
#46Lighting of discharge lamp by frequency control
#47Instantaneous electronic ballast for metal halide lamp having state transition circuit
#48Driver circuit for an HID lamp and method for operating an HID lamp
#49Lighting apparatus for high intensity discharge lamp
#50Electronic ballast having resonance excitation for generating a transfer voltage
#51Discharge lamp ballast circuit
#52Device and method for controlling a gas discharge lamp, and lighting system with gas discharge lamp and control device
#53Discharge lamp lighting device
#54Discharge lamp lighting circuit
#55High intensity discharge lamp ballast apparatus
#56Discharge lamp illumination circuit and discharge lamp illumination method
#57Method and apparatus for lighting high pressure discharge lamp, high pressure discharge lamp apparatus, and projection-type image display apparatus
#58Device for operating a short arc discharge mercury lamp