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Inventor: Lin; Chung-Wei
Address: Pingtung County, TW
No. of patents: 4
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 7782154 |
Power amplifier and modulator thereof |
August 24, 2010 |
| A power amplifier including a loop filter, a frequency generator, a quantizer, and an output stage module is provided. The frequency generator outputs a signal with a reference frequency to the loop filter, and includes a logic circuit, a current array, and a dummy load. The dummy lo |
| 7755423 |
Sigma delta class D power amplifier and method thereof |
July 13, 2010 |
| A sigma delta class D power amplifier includes a loop filter, a quantizer, and an output stage. The quantizer is coupled to the loop filter and quantifies an error signal according to levels of two reference signals to output a pair of mean signals, wherein different logic combinations o |
| 7679346 |
Power supply apparatus and operation-mode determining unit and method thereof |
March 16, 2010 |
| A power supply apparatus and an operation-mode determining unit and a method thereof are provided. The power supply apparatus includes first and second control units, a switching unit, a power output unit, and an operation-mode determining unit. The first and second control units pro |
| 7348960 |
Backlight device and method for controlling light source brightness thereof |
March 25, 2008 |
| A backlight device includes a light source module having a plurality of light sources, a detecting circuit, a control unit, and a pulse width modulation (PWM) driving circuit. The detecting circuit is used for detecting the brightness of the light source module and generating a detec |
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