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

Chung-Che Yu

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Apparatus of light source and adjustable control circuit for...

Electric lamp and discharge devices: systems – Regulation of the control current and/or potential applied...
Reexamination Certificate

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Back-light control circuit of multi-lamps liquid crystal...

Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reissue Patent

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Controller and loading system thereof

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...
Reexamination Certificate

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Digital to analog converter

Coded data generation or conversion – Analog to or from digital conversion – Digital to analog conversion
Reexamination Certificate

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Feedback circuit for DC/AC inverter

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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Profile ID: LFUS-PAI-P-2167786

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