Lamp color temperature stability in an automated luminaire

Ignitor-arrangement

Discharge switch device for ignition excitation system

Method and control circuit for starting a gas-discharge lamp

Discharge lamp lighting device, projector, and method of controlling projector

High intensity discharge lamp control circuit and control method

DISCHARGE LAMP WITH LONG LIFE

Circuit Arrangement and Method for Operating a High-Pressure Discharge Lamp

DISCHARGE LAMP STARTING CIRCUIT AND DISCHARGE LAMP LIGHTING DEVICE

Electronic method to improve the starting characteristics of direct current arc lamps

Integrated gas discharge lamp and ignition transformer for an integrated gas discharge lamp

Integrated Gas Discharge Lamp having Constant Light Emission During the Burning Time

Automatic calibration of an automated dimmer

Adaptive sliding-frequency triggering ignition process for electronic ballast of high pressure gas discharge lamp

PROJECTION DISPLAY DEVICE AND ELECTRONIC DEVICE

Lighting device, lighting control device, and projector

Lighting device and projector

METHOD AND IGNITER FOR IGNITING A GAS DISCHARGE LAMP

Method of starting an HID lamp and ballast incorporating same

Circuit Arrangement and Method for Starting a Discharge Lamp

High pressure discharge lamp lighting device and lighting fixture using the same

Power supply having an auxiliary power stage for sustaining sufficient post ignition current in a DC lamp

GAS-DISCHARGE LAMP AND METHOD OF MANUFACTURING A GAS-DISCHARGE LAMP

High-pressure discharge lamp system and projector using the same

Electronic ballast for restarting high-pressure discharge lamps in various states of operation

Method for igniting and starting high-pressure discharge lamps

LIGHT SOURCE

High frequency integrated HID lamp with run-up current

Circuit arrangement for igniting and operating a discharge lamp

Circuit arrangement and method for igniting a high-pressure discharge lamp

METHOD AND SYSTEM FOR OPERATING A GAS DISCHARGE LAMP

CIRCUIT ARRANGEMENT FOR IGNITING AND OPERATING A DISCHARGE LAMP

Control of Lamp Striking Voltage and Recovery of Energy From Resonant Lamp Strike Circuits Used for Electronic High Intensity Discharge Lamp Ballasting and Other Lamp Ballasts

Fatty acid analogues for equilibrating bone mineral density

High voltage discharge lamp lighting device

DISCHARGE LAMP LIGHTING APPARATUS

Sheet type transformer and discharge lamp lighting apparatus

Aggregate ignition method in high frequency metal halide lamps

HID ballast with integrated voltage multiplier and lamp temperature compensation

DISCHARGE LAMP LIGHTING DEVICE

Aircraft External Illumination Lamp

Method and system for automatically controlling power supply to a lamp of a vehicle

Discharge lamp lighting circuit

Circuit system for driving high-intensity discharging lamp

IGNITION CIRCUIT AND METHOD FOR A DISCHARGE LAMP

High-voltage lamp-ignition piezoelectric oscillator

Ignition circuit for igniting a discharge lamp and method for igniting the discharge lamp

Lamp driving circuit

CIRCUIT ARRANGEMENT FOR OPERATING A HIGH PRESSURE DISCHARGE LAMP

Device for operating or starting a high-pressure discharge lamp lamp socket and illumination system wtih such a device and method for operation of a high-pressure discharge lamp

Starter auxillary electrode starting device with an arc gap

Device and method for operating a high-pressure discharge lamp

Pulsed igniting device comprising a piezoelectric transformer for a high-pressure discharge lamp

Gas discharge lamp ignition

Ignition Module for Gas Discharge Lamp

Light weight automotive HID igniter

Discharge lamp ballast apparatus

BACKLIGHT UNIT DRIVING APPARATUS AND METHOD THEREOF

IGNITION LIMITED ILLUMINATOR

Ignition device

Method and apparatus and system for adjusting power to HID lamp to control level of light output and conserve energy (ballast multi-tap power output)

Dimmable high pressure arc lamp apparatus and methods

Generation of auxiliary voltages in a ballast

Lamp driving device and display apparatus having the same

Circuit arrangement and method for the operation of a high-pressure gas discharge lamp

DISCHARGE LAMP LIGHTING APPARATUS

Multi-pulse ignition circuit for a gas discharge lamp

Ballast For High Intensity Discharge Lamps

Circuit for igniting a high intensity discharge lamp

Electrical circuit with voltage multiplier for facilitating ignition of a gas discharge lamp

Automatic light dimmer for electronic and magnetic ballasts (fluorescent of HID)

Circuit arrangement for operating high-pressure discharge lamps and operating method for a high-pressure discharge lamp

Arc lamp improvements

Discharge lamp lighting apparatus

Ballast and igniter for a lamp having larger storage capacitor than charge pump capacitor

Ballast for a gas discharge lamp and a method of controlling this ballast

Ballast for at least one fluorescent high pressure discharge lamp, method for operating said lamp and lighting system comprising said lamp

Methods and circuits for instant hot restart of high intensity discharge lamps

Discharge lamp lighting apparatus

Ballast and igniter for a lamp having larger storage capacitor than charge pump capacitor

Projection-type system and method of operating the same

Device for turning on high-pressure discharge lamp and lighting apparatus equipped with the device

Circuit designs and control techniques for high frequency electronic ballasts for high intensity discharge lamps

Discharge lamp lighting circuit

Operation circuit for a discharge lamp and device for operation of a discharge lamp and a light source device

Base for a lamp

Circuit and method for the operation of miniature high pressure short-arc lamps using alternating current

Discharge lamp energizing circuit and method of energizing discharge lamp

Transformer and discharge lamp lighting device

Discharge lamp lighting apparatus

Pulse starting circuit

Discharge lamp lighting apparatus

Mobile light

Circuit for operating high-pressure discharge lamps

Automatic light dimmer for electronic and magnetic ballasts (fluorescent or HID)

Circuit arrangement with a separate resonant igniter for a high-pressure discharge lamp

High-pressure discharge lamp having a pulse starting device, and operating method for a high pressure discharge lamp

Circuit and method for providing power to a load, especially a high-intensity discharge lamp

Starting apparatus for a high-pressure discharge lamp and high-pressure discharge lamp having a starting apparatus and operating method for a high-pressure discharge lamp

Discharge lamp lighting apparatus

Discharge lamp and control of the same

High pressure discharge lamp

Electronic ballast having resonance excitation for generating a transfer voltage

Ballast for high intensity discharging lamp

Ballast for a discharge lamp

Starting device for a high-pressure discharge lamp, and an illuminating system

Discharge lamp ballast circuit

Discharge lamp lighting apparatus

Continuous mode ballast with pulsed operation

Charge pump circuit to operate control circuit

Device for operation of a high pressure discharge lamp and a projector device

Ignition system for a high-frequency high-intensity discharge lamp system

Low frequency inverter fed by a high frequency AC current source

Switch mode power supply for a gas discharge lamp

Discharge lamp illumination circuit

High intensity discharge lamp ballast apparatus

Discharge lamp illumination circuit

Electronic circuit, and method of operating a high-pressure lamp

Discharge lamp lighting circuit