4. Electric lamp and discharge devices: systems
  5. Current and/or voltage regulation

Wei-Chun Chang

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Method and apparatus for detecting remaining lamp lifetime

Electric lamp and discharge devices: systems – Current and/or voltage regulation
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Radiator having a fan in variable rotation speed

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2822925

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