4. Electricity: motive power systems
  5. Induction motor systems
  6. Primary circuit control

Ruhe Shi

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Electronic ballast having end of lamp life, overheating, and...

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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IC-based low cost reliable electronic ballast with multiple...

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

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Multi-phase induction motor drive system and method

Electricity: motive power systems – Induction motor systems – Primary circuit control
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2451108

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