LandOfFree - US Patents - Listing for Electric lamp and discharge devices: systems,With cathode or cathode heater supply circuit

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Lamp circuit

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Pulsating or a.c. supply to the cathode or heater circuit

Patent

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Lamp circuit with filament current fault monitoring means

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Delayed application of the discharge potential

Patent

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Lamp driving device and driving method thereof

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit

Reexamination Certificate

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Lamp filament drive scheme providing for control of filament vol

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Pulsating or a.c. supply to the cathode or heater circuit

Patent

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Light source device

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Delayed application of the discharge potential

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Light source lighting device

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Pulsating or a.c. supply to the cathode or heater circuit

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Lighting device for fluorescent lamp

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Pulsating or a.c. supply to the cathode or heater circuit

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Lighting device for gas discharge tube with insulated discharge

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Lighting system with caring preheating of gas discharge lamps

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit

Reexamination Certificate

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Lighting unit, low-pressure mercury discharge lamp, supply unit,

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

Low cost, precision electronic starter

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Pulsating or a.c. supply to the cathode or heater circuit

Utility Patent

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Low-pressure discharge lamp driving circuit

Electric lamp and discharge devices: systems – With cathode or cathode heater supply circuit – Plural cathodes or heaters in the load device

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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