in which the lamp is fed by high frequency ac, or with separate oscillator frequency

Industry

CPC
H05B41/24

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HELECTRICITY H05Electric techniques H05BELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps

Current Industry

H05B41/24in which the lamp is fed by high frequency ac, or with separate oscillator frequency

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in which the lamp is fed by high frequency ac, or with separate oscillator frequency

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Image forming apparatus that fixes toner image to recording medium...

Treatment method and system for epidemic keratoconjunctivitis

Excimer lamp light source device

Dedicated bias supply for radio communications in light drivers

Microwave excited ultraviolet lamp system with data logging and ret...

Discharge lamp and discharge lamp apparatus

Discharge lamp drive device, light source device, projector, and di...

Universal voltage converter and inductive power coupling

Power supply systems

Electrical ballast and driving method thereof

High-pressure sodium lamp lighting device

Drive method and drive circuit for light-emitting device using gas...

Supply voltage management

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

Multiphase light fixture

N-sine wave inverter

Independently adjustable current and voltage AC-AC converter

Gas discharge device and flat light source using the same, and driv...

Discharge lamp driving device, projector, and discharge lamp drivin...

Common mode noise suppression of switchmode power converters by cap...

Discharge lamp driving device, projector, and discharge lamp drivin...

Electrodeless high intensity discharge lamp with wave-launcher

Excimer light source

Electrodeless high intensity discharge lamp with field suppression...

Compact air-cavity electrodeless high intensity discharge lamp with...

Low-frequency compact air-cavity electrodeless high intensity disch...

Discharge lamp lighting apparatus

Electrodeless high intensity discharge lamp with wave-launcher

Embedded lighting ceiling tiles with an adaptive ceiling luminance...

Inductively coupled ballast circuit

Patents Applicationslast 30 patents

EXCIMER LAMP LIGHT SOURCE DEVICE

DEDICATED BIAS SUPPLY FOR RADIO COMMUNICATIONS IN LIGHT DRIVERS

Electronic Ballast with Single Stage Circuit Structure

DISCHARGE LAMP AND DISCHARGE LAMP APPARATUS

DISCHARGE LAMP DRIVE DEVICE, LIGHT SOURCE DEVICE, PROJECTOR, AND DI...

DRIVE METHOD AND DRIVE CIRCUIT FOR LIGHT-EMITTING DEVICE USING GAS...

HIGH-PRESSURE SODIUM LAMP LIGHTING DEVICE

N-SINE WAVE INVERTER

DISCHARGE LAMP LIGHTING DEVICE, LAMP FAILURE DETECTION METHOD, AND...

DISCHARGE LAMP DRIVING DEVICE, PROJECTOR, AND DISCHARGE LAMP DRIVIN...

DISCHARGE LAMP DRIVING DEVICE, PROJECTOR, AND DISCHARGE LAMP DRIVIN...

GAS DISCHARGE DEVICE AND FLAT LIGHT SOURCE USING THE SAME, AND DRIV...

COMMON MODE NOISE SUPPRESSION OF SWITCHMODE POWER CONVERTERS BY CAP...

DISCHARGE LAMP LIGHTING APPARATUS

LIGHT IRRADIATING APPARATUS

END OF LIFE PROTECTION FOR VOLTAGE FED BALLAST

EXCIMER LIGHT SOURCE

DISCHARGE LAMP DRIVING DEVICE, PROJECTOR, AND METHOD FOR DRIVING A...

HIGH WATT TYPE CERAMIC METAL HALIDE LAMP ILLUMINATION DEVICE

UNIVERSAL VOLTAGE CONVERTER AND INDUCTIVE POWER COUPLING

HIGH-FREQUENCY LAMP AND METHOD FOR OPERATING A HIGH-FREQUENCY LAMP

ELECTROMAGNETIC COUPLING MULTI-OUTPUT CONTROL CIRCUIT

Illuminating Display Systems

LIGHT SOURCE DRIVE DEVICE, DISPLAY APPARATUS, AND LIGHT SOURCE DRIV...

HIGH PRESSURE DISCHARGE LAMP LIGHTING APPARATUS

DISPLAY DEVICE AND WIRELESS POWER TRANSMISSION SYSTEM

HIGH PRESSURE DISCHARGE LAMP LIGHTING DEVICE, PROJECTOR PROVIDED WI...

Method and Apparatus for Measuring Operating Characteristics in a L...

INDUCTIVELY COUPLED BALLAST CIRCUIT

Illuminating Display Systems