METHOD FOR OPERATING A DISCHARGE LAMP AND DISCHARGE LAMP

METHOD FOR OPERATING A DISCHARGE LAMP AND DISCHARGE LAMP

Discharge lamp drive device, light source device, projector, and discharge lamp drive method

Discharge lamp drive device, light source device, projector, and discharge lamp drive method

Discharge lamp drive device, light source device, projector, and discharge lamp drive method

Lamp color temperature stability in an automated luminaire

Projection device and method for projecting at least one image onto a projection surface

Discharge lamp driving device, projector, and discharge lamp driving method

Discharge lamp lighting device, lamp failure detection method, and projector

Discharge lamp lighting apparatus

HID lamp acoustic resonance suppression method and ballast

Discharge lamp driving device, projector, and discharge lamp driving method

Discharge lamp lighting apparatus

Electronic circuit for protecting a load against over-voltage

Radiofrequency adjustment for instability management in semiconductor processing

Discharge lamp driving device, projector, and discharge lamp driving method

Method for operating a discharge lamp and projection arrangement

Method for operating a high-pressure discharge lamp with a variable power

Circuit arrangement and method for operating at least one discharge lamp

Circuit and method for lighting high pressure discharge lamp

Projector that controls discharge lamp in response to deterioration

Radiofrequency adjustment for instability management in semiconductor processing

Light source drive device, display apparatus, and light source drive method

Discharge lamp lighting device, discharge lamp lighting method, and projector

High pressure discharge lamp lighting apparatus

High frequency programmable pulse generator lighting apparatus, systems and methods

Discharge lamp operating apparatus

High pressure discharge lamp lighting device, projector provided with the same, and high pressure discharge lamp lighting method

Projector and method of controlling projector

Driving device and driving method for discharge lamp, light source device, and projector

Projector

Adaptive bipolar junction transistor gain detection

Light source device, projector, and method of driving discharge lamp

Method for operating a high-pressure discharge lamp outside the nominal power range thereof

Driving method for discharge lamp, driving device for discharge lamp, light source device, and image display apparatus

Discharge lamp lighting apparatus and projector

Projector with alternating power levels

Projector and method for controlling a projector discharge lamp

Light source device, method of driving discharge lamp, and projector

Light source device, method of driving discharge lamp, and projector

METHOD FOR OPERATING A HIGH-PRESSURE DISCHARGE LAMP ON THE BASIS OF A LOW FREQUENCY SQUARE WAVE OPERATION AND A PARTIALLY HIGH FREQUENCY OPERATION FOR ARC STABILIZATION AND COLOR MIXING

LIGHT SOURCE DEVICE, METHOD OF DRIVING DISCHARGE LAMP, AND PROJECTOR

PULSED OPERATION OF A DISCHARGE LAMP

Method of driving an arc-discharge lamp

Light source apparatus, discharge lamp driving method, and projector

High pressure discharge lamp lighting device with electrode temperature control

HID lighting system

APPARATUS FOR DRIVING A GAS DISCHARGE LAMP

Controlled power dissipation in a switch path in a lighting system

Discharge lamp lighting device, projector, and discharge lamp lighting method

Ballast structure used for high-intensity discharge lamp

Light source device, projector, and driving method of discharge lamp

Power factor correction method and device for discharge lamps, for example high pressure sodium lamps

Method of driving discharge lamp, driving device, and projector

Projector that controls discharge lamp in response to deterioration

Projector

Method for controlling high intensity discharge lamp and supply system for high intensity discharge lamp

Light source device, projector, and driving method of discharge lamp

High-pressure discharge lamp light-up device, high-pressure discharge lamp apparatus using same, projector using high-pressure discharge lamp apparatus, and light-up method for high-pressure discharge lamp

Vehicle discharge lamp, vehicle discharge lamp device, lighting circuit combined type vehicle discharge lamp device, and lighting circuit

Discharge lamp lighting device, projector, and driving method of discharge lamp

Electronic ballast and method for operation of at least one discharge lamp

Projector discharge lamp current controller with a four time slot period

Projector

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

Method and electronic operating device for operating a gas discharge lamp and projector

METHOD AND ELECTRONIC OPERATING DEVICE FOR OPERATING A GAS DISCHARGE LAMP AND PROJECTOR

DISCHARGE LAMP LIGHTING APPARATUS AND DISCHARGE LAMP LIGHTING METHOD

ELECTRONIC OPERATING DEVICE FOR A GAS DISCHARGE LAMP

Light source apparatus, projector, and light source apparatus drive method

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

Light source apparatus

High-pressure discharge lamp lighting device, high pressure discharge lamp apparatus using this, projector using the high-pressure discharge lamp apparatus, and high-pressure discharge lamp lighting method

METHOD OF DRIVING A SHORT-ARC DISCHARGE LAMP

Circuit Arrangement and Method for Operating a Light Source

System and method including self oscillating feedback for acoustic operation of a discharge lamp

CIRCUIT AND METHOD FOR OPERATING A HIGH PRESSURE LAMP

Modulated power lighting mode for lighting apparatus of high-pressure discharge lamp and projector

Frequency modulation method and device for high intensity discharge lamp

Modified Alternating Current Operation of a High-Pressure Discharge Lamp

Headlight apparatus and method

End-of-life protection circuit and method for high intensity discharge lamp ballast

High-pressure discharge lamp lighting device

High-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

High pressure discharge lamp ballast and light source apparatus

Discharge lamp lighting device, projector, and driving method of discharge lamp

Discharge lamp lighting device, projector, and driving method of discharge lamp

METHOD OF DRIVING A GAS-DISCHARGE LAMP

Discharge lamp lighting apparatus

Electronic ballast and method for controlling at least one light source

METHODS OF AND DRIVING UNITS FOR DRIVING A GAS DISCHARGE LAMP

Electronic ballast for HID lamps with active lamp power control

Circuit assembly and method for operating a high pressure discharge lamp

High pressure discharge lamp light source device

Discharge lamp lighting device and lighting fixture

High pressure discharge lamp light source device

Method and driving unit for driving a gas-discharge lamp

HIGH-PRESSURE LAMP AND ASSOCIATED OPERATING METHOD FOR RESONANT OPERATION OF HIGH-PRESSURE LAMPS IN THE LONGITUDINAL MODE AND ASSOCIATED SYSTEM

Driving device for discharge lamp, light source device, projector, and driving method for discharge lamp

DEVICE FOR DRIVING A GAS DISCHARGE LAMP

Circuit arrangement for operating discharge lamps and method for operating discharge lamps

Discharge lamp lighting device, projector, and control method of discharge lamp lighting device

Method of driving a discharge lamp, driving arrangement, and projector system

HIGH PRESSURE DISCHARGE LAMP BALLAST, HIGH PRESSURE DISCHARGEP LAMP DRIVING METHOD, AND PROJECTOR

Stepwise repairing for electrode of discharge lamp

Super High Pressure Mercury Lamp

Lighting of discharge lamp by frequency control

High pressure discharge lamp lighting apparatus

Light source device, image display apparatus, and method of generating time-division color-separated light

Driving method for discharge lamp, driving device for discharge lamp, light source device, and image display apparatus

Method for igniting and starting high-pressure discharge lamps

Lighting device, light source device, projector, and discharge lamp lighting method

High-pressure discharge lamp lighting device with alternating current frequency time periods

Driving method for discharge lamp, driving device for discharge lamp, light source device, and image display apparatus

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

High-pressure discharge lamp light source device having a power supply device with a switching state for switching from a direct current drive in a standby state to an alternating current drive in an operating state and projector

High pressure discharge lamp lighting apparatus

Driving device for discharge lamp, light source device, image display apparatus, and driving method for discharge lamp

Electronic ballast with adjustable filament preheating based on output current symmetry

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

EVALUATION SYSTEM, LIGHTING DEVICE, AND IMAGE DISPLAY DEVICE

HIGH-VOLTAGE DISCHARGE LAMP LIGHTING APPARATUS

Discharge lamp driving device and method, light source device, and image displaying apparatus

Driver for operating a gas discharge lamp

Metal Halide Discharge Lamp and Metal Halide Discharge Lamp System

Discharge lamp lighting device, headlight device and vehicle having the same

Discharge lamp lighting device and image display device that controls electric power converter output on a historical basis

Driving device and driving method of electric discharge lamp, light source device, and image display apparatus

Driving device and driving method for discharge lamp, light source device, and image display apparatus

Method and device for driving a gas discharge lamp

Circuit arrangement for operation of discharge lamps, and method for operation of discharge lamps

APPARATUS FOR DRIVING A GAS DISCHARGE LAMP

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

Lighting method for a high-pressure discharge lamp, lighting circuit for a high-pressure discharge lamp, high-pressure discharge lamp apparatus, and projector-type image display apparatus

DEVICE FOR DRIVING A GAS DISCHARGE LAMP

METHOD OF LIGHTING GAS DISCHARGE LAMP

Method and an operation controller for operation of a mercury vapour discharge

Low ignition voltage instant start for hot re-strike of high intensity discharge lamp

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

Device and method for operating a high-pressure discharge lamp

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

Method of shutting down a high pressure discharge lamp and driving unit for driving a high pressure discharge lamp

Method for operating a gas discharge lamp

Discharge lamp lighting device, control method for the same, and projector

Discharge lamp lighting device, control method for the same, and projector

Discharge lamp lighting device, control method thereof, and projector

Driving method and driving device for discharge lamp, light source device, and image display device

Discharge lamp lighting apparatus, method for controlling the same, and projector

Discharge lamp lighting device, control method thereof, and projector

Safety loop for a light fixture

Metal halide discharge lamp and metal halide discharge lamp system

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

Method of driving discharge lamp, driving device, and projector

Method of driving discharge lamp, driving device, and projector

Driving method and driving device for discharge lamp, light source device, and image display device

Driving method and driving device for discharge lamp, light source device, and image display device

Method for operating an illumination system with sequential color filtering and a high pressure discharge lamp

APPARATUS FOR RADIATING AN OBJECT WITH UV RADIATION

Discharge lamp lighting device and projector

Light source device, projector, and driving method of discharge lamp

Light source device, projector, and driving method of discharge lamp

Projection system and method for operating a discharge lamp

High pressure discharge lamp operation method, operation device, light source device, and projection type image display device

Light source, projector, and method for driving light source

Light source apparatus, projector, and light source apparatus drive method

Projection-type image display apparatus, lighting apparatus and lighting method realizing an extended lifetime

Light source and projector

Fast run-up of metal halide lamp by power modulation at acoustic resonance frequency

Frequency modulation method and device for high intensity discharge lamp

Discharge lamp lighting apparatus

Method and circuit arrangement for operating a discharge lamp

High pressure discharge lamp control method

Discharge lamp lighting apparatus and projector

Method and circuit for driving a gas discharge lamp

Projector and driving method of light source for projector

Method for controlling dual lamp module

Method and Driving Circuit for Operating a Hid Lamp

Circuit arrangement with continuously oscillating modulated operating frequency, and method, for the operation of high-pressure gas discharge lamps

Metal Halide Lamp, Metal Halide Lamp Lighting Device, and Headlight

Lighting device and a lighting method for a high pressure discharge lamp

Method and Ballast for Driving a High-Pressure Gas Discharge Lamp

Image display apparatus and method of controlling over-current therefor

Method and Arrangement for Monitoring a Gas Discharge Lamp

Discharge lamp control device and projector

Projector and light source device thereof

Lighting assembly and method of operating a discharge lamp

Dimmable high pressure arc lamp apparatus and methods

Projection display

Discharge Lamp Lighting Circuit

Device for lighting a high-pressure discharge lamp by supplying alternating current

Anti-cycling control system for luminaires

Projector

Method for Operating a High-Pressure Discharge Lamp, Operating Appliance for a High-Pressure Discharge Lamp, and Illumination Device

Method and arrangement for monitoring the mercury condensation in an arc tube

LIGHT SOURCE DEVICE AND PROJECTOR

Light source module air flow cooling

Lighting system

System and method for arc lamp power control

Discharge lamp lighting apparatus

Projector using lamp, method and program for controlling discharge lamp light source

Power saver device for public lighting systems and method thereof

SYSTEM AND METHOD FOR RESETTING A LIGHT COUNTER

Method and circuit arrangement for operating a discharge lamp

Discharge lamp lighting device and projector

Discharge lamp ignition device and projector

Discharge lamp ballast and projector

Lighting of discharge lamp by frequency control

Discharge lamp lighting apparatus and lamp system using the lighting apparatus

System and method for applying power to high intensity discharge lamps

Light source device

Discharge lamp lighting device and projection type image display apparatus having the same

Operating method for a high-pressure discharge lamp

Manufacturing method of high-pressure discharge lamp, high-pressure discharge lamp, lamp unit using high-pressure discharge lamp, and image display apparatus using high-pressure discharge lamp

Methods and apparatus for operating very high pressure short arc discharge lamps

Illumination source activation based on temperature sensing

Circuit arrangement and method of operating a gas discharge lamp

Lamp lighting apparatus

Light-source driving method and projector

System and method for power supply for lamp with improved constant power mode control and improved boost current circuit

Apparatus for providing a sinusoidally amplitude-modulated operating voltage, lighting system and method for generating an amplitude-modulated voltage

Projector lamp control for increased lamp life

High pressure lamp and associated operating method for resonant operation of high pressure lamps in the longitudinal mode, and an associated system

Light source module with temperature sensor

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

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

Light source module

Anti-cycling control system for luminaires

Method and device for driving a matal halide lamp

Lighting unit

Method for arc attachment stabilization

Device for operation of a discharge lamp of the short arc type

High-intensity discharge lamp ballast and method for operating high-intensity discharge lamp

High pressure discharge lamp control system and method

Lighting of discharge lamp by frequency control

Discharge lamp lighting device, illumination device, and projector

Method of representing a video image by means of a projector

Apparatus and method for prolonging lamp lifetime

Method for manufacturing high pressure discharge lamp, high pressure discharge lamp manufactured using the method, lamp unit, and image display device

Image projector with intensity-controlled light source

Power supply apparatus for high pressure discharge lamp

Methods and apparatus for operating very high pressure short arc discharge lamps

Projection system

Device for operation of a high pressure discharge lamp

Projection equipment and a method of driving a light source lamp in projection equipment

Lamp operation controller and controlling method of lamp operation

Electrode temperature differential operation of a discharge lamp

Circuit arrangement for operating at least one high-pressure discharge lamp

High pressure discharge lamp lighting apparatus

Arc maintenance device for high density discharge lamps including an adaptive wave form monitor

Image display

Method for operating a high-pressure discharge lamp

Projection system

Device for operation of a high pressure discharge lamp

Operating method for the resonant operation of high-pressure lamps in longitudinal mode, and an associated system and electronic ballast

Operating method, electronic ballast and system for resonant operation of high pressure lamps in the longitudinal mode

Method and device for driving a gas discharge lamp

Projection type video display

Method and circuit arrangement for operating a high-pressure gas discharge lamp

Lighting method of ultra-high pressure mercury lamp

Image projector and method of operating same

Method of operating a discharge lamp system and a discharge lamp system using a combination radial and longitudinal acoustic mode to reduce vertical segregation

Image projector

Anti-cycling control system for luminaires

Projection type video display apparatus

Anti-cycling control system for luminaires

Method and apparatus for lighting high pressure discharge lamp, high pressure discharge lamp apparatus, and projection-type image display apparatus

Device for operating a short arc discharge mercury lamp