4. Electric lamp and discharge devices: systems
  5. With cathode or cathode heater supply circuit
  6. Pulsating or a.c. supply to the cathode or heater circuit
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Starter for igniting a gas and/or vapor discharge 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

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Starter for minimizing damage to lamp electrodes of a...

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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Symmetry control circuit for pre-heating in electronic ballasts

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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System for the power control of high voltage electron beam gener

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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