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

Dana S. Wilhelm

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Ballast control IC with power factor correction

Electric lamp and discharge devices: systems – Pulsating or a.c. supply – With power factor control device
Reexamination Certificate

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Fully integrated ballast IC

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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Power factor correction control circuit

Electric power conversion systems – Current conversion – With condition responsive means to control the output...
Reissue Patent

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Power factor correction control circuit

Electric power conversion systems – Current conversion – With condition responsive means to control the output...
Reissue Patent

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Power factor correction control circuit

Electric power conversion systems – Current conversion – With condition responsive means to control the output...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2088955

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