LandOfFree - US Patents - Listing for Electric lamp and discharge devices: systems,With cathode or cathode heater supply circuit,Pulsating or a.c. supply to the cathode or heater circuit

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Electric arrangement for starting and supplying a low-pressure d

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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Electric arrangement including at least one gas and/or vapor dis

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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Electric device for starting and feeding a metal vapor discharge

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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Electric lighting systems

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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Electron tube device and electron tube

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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Electronic ballast

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

Reexamination Certificate

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Electronic ballast cathode heating 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

Reexamination Certificate

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Electronic ballast circuit for fluorescent lamps which have a hi

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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Electronic ballast with filament cut-out

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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Electronic ballast with reversely wound filament winding

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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Electronic ballast with separate inverter for cathode heating

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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Electronic ballast with two-step boost converter and method

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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Electronic fluorescent lamp 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

Patent

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Energy saving device for rapid-start fluorescent lamp system

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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