Systems and methods for managing environmental conditions

Load-switch voltage control circuit

Configurable light sensor comprising a photocell array

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

Information processing method, information processing system, and electric light bulb light source apparatus

Lighting control device, lighting system, lighting control method

Hybrid closed loop daylight harvesting control

Dimmable instant-start ballast

Dimmable universal voltage LED power supply with regenerating power source circuitry and non-isolated load

Systems and methods for managing environmental conditions

LED control system

Optical projection apparatus and illumination apparatus using same

Dual-mode luminaire controllers

Universal voltage LED power supply with regenerating power source circuitry, non-isolated load, and 0-10V dimming circuit

Propagation delay compensation for floating buck light emitting diode (LED) driver

Dimmable universal voltage LED power supply with regenerating power source circuitry and non-isolated load

Method for determining a predefinable wave form of a lamp current for operating a discharge lamp of a projection arrangement, and projection arrangement

BALLAST AND BALLAST CONTROL METHOD AND APPARATUS, FOR EXAMPLE ANTI-ARCING CONTROL FOR ELECTRONIC BALLAST

Power circuit for a gas discharge lamp

Induction RF fluorescent lamp with load control for external dimming device

Fast start RF induction lamp

Electronic ballast or operating device for illumination means having programmable or configurable control unit

Electronic device and control method therefor

DUAL-BULB LAMPHEAD CONTROL METHODOLOGY

Dimming drive method, device and dimmable light

Discharge lamp lighting device and projector

Light dimmer for fluorescent lamps and methods for use thereof

BALLASTED LAMP SOCKET FOR A COMPACT FLUORESCENT LAMP

Hybrid light source

Method and device for driving a fluorescent lamp

Lighting power circuit with peak current limiter for EMI filter

Smart load control device having a rotary actuator

Electronic ballast with dimming circuit

Method for operating high-pressure discharge lamps

SMART DIMMABLE POWER SUPPLY APPARATUS FOR ENERGY SAVING LAMP AND METHOD FOR THE SAME

Variable load circuits for use with lighting control devices

LIGHT DIMMER AND METHOD

Dual-bulb lamphead control methodology

DIMMABLE AMALGAM LAMP AND METHOD FOR OPERATING THE AMALGAM LAMP WHILE DIMMED

Circuit arrangement and method for operating at least one discharge lamp

Electronic circuit for driving a fluorescent lamp and lighting application

Projection Device and Projection Light Source Control Method Thereof

Method of Controlling an Electronic Dimming Ballast During Low Temperature Conditions

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

CONTROL FOR A DEVICE

Smart load control device having a rotary actuator

Automatic calibration of an automated dimmer

Resonant inverter with sleep circuit

Lighting fixture system for illumination using cold cathode fluorescent lamps

Circuit arrangement and method for regulating the current through at least one discharge lamp

Electronic ballast with dimming control from power line sensing

Electronic ballast with dimming control from power line sensing

Variable light-level production using different dimming modes for different light-output ranges

METHOD OF SHUTTING DOWN A HIGH PRESSURE DISCHARGE LAMP AND DRIVING UNIT FOR DRIVING A HIGH PRESSURE DISCHARGE LAMP

ILLUMINATION DEVICE

VARIABLE COLOR DISCHARGE LAMP

Dimming interface for power line

Ballast and ballast control method and apparatus, for example anti-arcing control for electronic ballast

Control circuit for inverter

Universal dimming method and system

Fluorescent dimming ballast with improved efficiency

METHOD OF LOAD SHEDDING TO REDUCE THE TOTAL POWER CONSUMPTION OF A LOAD CONTROL SYSTEM

METHOD OF LOAD SHEDDING TO REDUCE THE TOTAL POWER CONSUMPTION OF A LOAD CONTROL SYSTEM

Unified 0-10V and DALI dimming interface circuit

Using pulse density modulation for controlling dimmable electronic lighting ballasts

System for Control of Ballast Illumination in Step Dimming and Continuous Dimming Modes

System for Field-Programmed Determination of Illumination Set Points in Ballasts

Hybrid light source

Method and apparatus for maintaining constant color temperature of a fluorescent lamp

Discharge lamp lighting device, illumination device, and liquid crystal display device

Method of local dimming of display light source and apparatus performing same

Integrated circuit capable of synchronization signal detection

Electronic ballast for a lamp

Variable load circuits for use with lighting control devices

Discharge lamp lighting device, and illuminating device

METHOD OF LOAD SHEDDING TO REDUCE THE TOTAL POWER CONSUMPTION OF A LOAD CONTROL SYSTEM

Apparatus and method for controlling the filament voltage in an electronic dimming ballast

Lighting system

LCD and backlight module thereof

Smart load control device having a rotary actuator

Method of driving light sources, device for driving light sources, and display device having the same

Method for dimming a light generatng system for generating light with a variable color

Lamp control circuit and method of driving a lamp

Discharge tube lighting apparatus

Brightness adjustable keyboard illuminating module of electronic device

Backlight unit with reduced inverter noise and liquid crystal display apparatus having the same

Power supply for supplying power to a lamp

Ballasted lamp socket for a compact fluorescent lamp

Power supply for an LCD display

Backlight modulation circuit and method thereof

Light source driving device

Energy saving power supply circuit

Dim control circuit dimming method and system

Lamp driving circuit, inverter board and display apparatus having the same

Illumination device and method of controlling the lamp unit thereof

High frequency electronic ballast for high intensity discharge lamps and improved drive method therefor

Luminance adjusting device

METHOD OF LOAD SHEDDING TO REDUCE THE TOTAL POWER CONSUMPTION OF A LOAD CONTROL SYSTEM

Method for controlling the power supply from a power source to a power consumer

Using pulse density modulation for controlling dimmable electronic lighting ballasts

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

DRIVING APPARATUS OF LIGHT SOURCE

System and method for reducing flicker of compact gas discharge lamps at low lamp light output level

Backlight device and method for LCD displays

Electronic ballast with preheating and dimming control

Method and Circuit Arrangement for the Production of an Output Signal of a Predefined Average Size From a Relatively Larger Input Signal by Pulse-Width Modulated Connection of Said Input Signal

System and methods for dimming a high pressure arc lamp

Electronic ballast or operating device for illumination means having programmable or configurable control unit

Digital controlled multi-light driving apparatus and driving-control method for driving and controlling lights

Method and device for dimming lighting control devices to a predefined level

Discharge lamp driving circuit having a signal detection circuit therein

Discharge lamp driving circuit and method of driving a discharge lamp

Remote control of lighting

Triple-loop fluorescent lamp driver

Apparatus and method for controlling the filament voltage in an electronic dimming ballast

Control of indicator lights in portable information handling system using ambient light sensors

Fluorescent lamp lighting apparatus and lighting control system

Apparatus and method for providing dimming control of lamps and electrical lighting systems

Circuit arrangement and method for detecting a crest factor of a lamp current or a lamp operating voltage of an electric lamp

Apparatus and methods for making spectroscopic measurements of cathode fall in fluorescent lamps

Apparatus and methods for making spectroscopic measurements of cathode fall in fluorescent lamps

Total harmonic distortion reduction for electronic dimming ballast

Gas discharge lamp dimming control method

Load failure protection circuit and discharge lamp driving apparatus

Ballast having a dimming device

Ballast having a dimming device

Light module with control of luminance and method for managing the luminance

Driving circuit for multiple cold cathode fluorescent lamps backlight applications

System and method for reducing flicker of compact gas discharge lamps at low lamp light output level

Device for controlling drive current for an electroluminescent device array with amplitude shift modulation

Method and system for dimming light sources

Integrated circuit capable of synchronization signal detection

Lighting ballast having boost converter with on/off control and method of ballast operation

Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps

Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps

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

Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps

Dimming control method and lighting system with dimming control

High intensity discharge lamp control

Discharge lamp driving circuit

Dimming control techniques using self-excited gate circuits

Lamp dimming control device using temperature compensation

Lamp operation controller and controlling method of lamp operation

Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps

Method and system for enhanced dimming resolution in a light ballast through use of multiple control frequencies

Power supply for an LCD panel

Low-visual noise, jitterized pulse width modulation brightness control circuit

Fluorescent lamp driver system

Method and device for driving a gas discharge lamp

Selectable continuous and burst mode backlight voltage inverter

Apparatus and method for producing variable intensity of light

Device and method for operating a discharge lamp

Apparatus and methods for making spectroscopic measurements of cathode fall in fluorescent lamps

Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps

Dimming control techniques using self-excited gate circuits

Low-visual noise, jitterized pulse width modulation brightness control circuit

Luminosity adjustable fluorescent lamp device for coordinated use with silicon controlled phase luminosity modulator

System and method for reducing flicker of compact gas discharge lamps at low lamp light output level

Dimmable discharge lamp lighting device

Electrodeless discharge lamp lighting device, light bulb type electrodeless fluorescent lamp and discharge lamp lighting device

CCFL circuit with independent adjustment of frequency and duty cycle