4. Electric lamp and discharge devices: systems
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Apparatus and method for producing a frequency based visual effe

Electric lamp and discharge devices: systems – Discharge device and/or rectifier in the supply circuit – Flashers
Patent

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Apparatus and method for providing a modulated electron beam

Electric lamp and discharge devices: systems – With radiant energy sensitive control means
Patent

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Apparatus and method for providing bilevel illumination

Electric lamp and discharge devices: systems – Plural series connected load devices – Periodic switch in the supply circuit
Patent

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Apparatus and method for providing dimming control of lamps...

Electric lamp and discharge devices: systems – Current and/or voltage regulation
Reexamination Certificate

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Apparatus and method for providing ignition to a turbine engine

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition
Patent

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Apparatus and method for providing ignition to a turbine engine

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition
Patent

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Apparatus and method for providing ignition to a turbine engine

Electric lamp and discharge devices: systems – Special application
Patent

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Apparatus and method for providing ignition to a turbine engine

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition
Patent

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Apparatus and method for providing synchronized lights

Electric lamp and discharge devices: systems – Plural series connected load devices – Christmas lights
Reexamination Certificate

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Apparatus and method for pulsating lights in response to an...

Electric lamp and discharge devices: systems – Discharge device and/or rectifier in the supply circuit – Flashers
Reexamination Certificate

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Apparatus and method for reducing the magnitude of time varying

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Cathode-ray deflections circuits
Patent

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Apparatus and method for remotely detecting a magnetic ballast

Electric lamp and discharge devices: systems – Current and/or voltage regulation – Automatic regulation
Reexamination Certificate

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Apparatus and method for removing horizontal moire in...

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Cathode-ray deflections circuits
Reexamination Certificate

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Apparatus and method for ring spline convergence correction

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Cathode-ray deflections circuits
Reexamination Certificate

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Apparatus and method for saving electric power in a display...

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Cathode-ray deflections circuits
Reexamination Certificate

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Apparatus and method for scanning a flat screen cathode ray tube

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Cathode-ray deflections circuits
Patent

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Apparatus and method for starting a fluorescent lamp

Electric lamp and discharge devices: systems – Current and/or voltage regulation – Automatic regulation
Patent

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Apparatus and method for starting and controlling a fluorescent

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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Apparatus and method for stereo audio encoding of digital audio

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure
Patent

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Apparatus and method for striking a fluorescent lamp

Electric lamp and discharge devices: systems – Current and/or voltage regulation
Reexamination Certificate

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