4. Electric lamp and discharge devices: systems
  5. Periodic switch in the supply circuit
  6. Impedance or current regulator in the supply circuit

Keith Billings

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Current fed parallel resonant ballast

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit
Reexamination Certificate

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Current fed, parallel resonant ballast

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Impedance or current regulator in the supply circuit
Patent

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Lamp ballast for reducing interference current

Electric lamp and discharge devices: systems – Condenser in the supply circuit – Inductance in the condenser circuit
Reexamination Certificate

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Profile ID: LFUS-PAI-P-813705

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