4. Electric lamp and discharge devices: systems
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Lamp-lighting apparatus

Electric lamp and discharge devices: systems – Pulsating or a.c. supply – Transformer in the supply circuit
Reexamination Certificate

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Lamp-lighting device

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

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Lamp-lighting device

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

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Lamp-operating unit and low-pressure mercury discharge lamp

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Discharge device load
Reexamination Certificate

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Lamp-starting device

Electric lamp and discharge devices: systems – Electric switch in the supply circuit
Patent

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Lamp-starting device

Electric lamp and discharge devices: systems – Electric switch in the supply circuit
Patent

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Lamp-voltage threshold detector

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

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Lampholder fitting with three-way brightness solid-state fluores

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Plural circuit elements
Patent

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Lamplight failure detection system

Electric lamp and discharge devices: systems – With signal – indicator – or alarm – Plural load device systems
Patent

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Lamps

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

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Lamps

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Discharge device load
Reexamination Certificate

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Lamps with electronic control of color temperature and color...

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

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Large area microwave plasma generator

Electric lamp and discharge devices: systems – Discharge device load with fluent material supply to the... – Plasma generating
Reexamination Certificate

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Large area plasma processing system (LAPPS)

Electric lamp and discharge devices: systems – Discharge device load with fluent material supply to the... – Plasma generating
Patent

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Large area plasma source

Electric lamp and discharge devices: systems – Discharge device load with fluent material supply to the... – Plasma generating
Reexamination Certificate

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Large area plasma source

Electric lamp and discharge devices: systems – Discharge device load with fluent material supply to the... – Plasma generating
Reexamination Certificate

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Large image display apparatus

Electric lamp and discharge devices: systems – Plural power supplies – Plural cathode and/or anode load device
Patent

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Large-area color AC plasma display employing dual discharge site

Electric lamp and discharge devices: systems – Plural power supplies – Plural cathode and/or anode load device
Patent

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Laser activated diffuse discharge switch

Electric lamp and discharge devices: systems – With radiant energy sensitive control means – Radiant energy responsive load device
Patent

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Laser cathode ray tube

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

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