Inventor
Wen-Chi Wang
Inventor
Yunlin County, TW
Overview
Patents· 36 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Mprimary
H03MCoding27%
H03FAmplifiers15%
G02BOptical elements, systems or apparatus4%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems4%
H03GControl of amplification4%
H03HImpedance networks, e.g. resonant circuits4%
H03KPulse technique4%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h104%
Y10TTechnical subjects covered by former us classification4%
C23CCoating metallic material2%
PatentTitleYear
11,043,961Analog-to-digital converter and associated chip202110,819,291Operational amplifier and control method thereof202010,727,739Charge pump circuit and controlling method thereof202010,707,887Vector quantization digital-to-analog conversion circuit for oversampling converter202010,615,688Charge pump circuit and controlling method thereof202010,491,229Vector quantization digital-to-analog conversion circuit for oversampling converter201910,084,474Noise shaping circuit and sigma-delta digital-to-analog converter20189,031,516'Apparatus and method for impedance adjustment'20158,411,142'Intellectual surveillance system and monitoring method thereof'20138,284,925'Jack detection circuit'20128,026,977'Switching mechanism for video camera'20117,965,934'Switching mechanism for camera device'20117,918,613'Switching mechanism for camera'20117,868,807'Data weighted average circuit and dynamic element matching method'20117,697,697'Apparatus for automatic identification of audio input/output device and method thereof'20107,633,418'Sigma-delta modulator and an output rate reduction method thereof'20097,583,213'Signal processing system capable of changing signal levels'20097,548,121'Fractional frequency synthesizer and phase locked loop utilizing fractional frequency synthesizer and method thereof'20097,495,490'Digital amplifier and method thereof'20097,495,593'Sigma-delta modulator capable of compensating a time delay'20097,456,769'Reference voltage generating circuit'20087,396,432'Composite shadow ring assembled with dowel pins and method of using'20087,327,188'Power amplifier and method for error correcting of output signals thereof'20087,283,081'Application circuit and method for shaping noises'20077,279,931'High voltage tolerance output stage'20077,253,764'Reference voltage generating circuit'20077,194,097'Audio control device'20077,181,028'Audio converting device and converting method thereof'20077,138,869'Amplifier circuit'20067,071,856'Pipeline ADC calibrating method and apparatus thereof'20067,068,107'Variable gain amplifier'20067,042,373'Error measuring method for digitally self-calibrating pipeline ADC and apparatus thereof'20067,019,552'Line driver with active termination'20066,911,927'Over-sampling digital-to-analog converter with variable sampling frequencies'20056,822,575'Backfill prevention system for gas flow conduit'20046,723,201'Microchip fabrication chamber wafer detection'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2008Patents assigned to TAIWAN SEMICONDUCTOR MFG (3)· patent assignee history
2004–2008Based in Chu-Nan, TW· patent location history
2005–2012Patents assigned to REALTEK SEMICONDUCTOR CORP (19)· patent assignee history
2005–2012Based in Yunlin County, TW· patent location history
2011–2013Patents assigned to VTC ELECTRONICS CORP (4)· patent assignee history
2011–2019Based in Taipei, TW· patent location history
2011Based in Yun Lin Hsien, TW· patent location history
2015Patents assigned to ACCTON TECHNOLOGY CORP (1)· patent assignee history
2018–2021Patents assigned to SHENZHEN GOODIX TECH CO LTD (7)· patent assignee history
2020–2021Based in Guangdong, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| REALTEK SEMICONDUCTOR CORP | 19 | 2005–2012 |
| SHENZHEN GOODIX TECH CO LTD | 7 | 2018–2021 |
| VTC ELECTRONICS CORP | 4 | 2011–2013 |
| TAIWAN SEMICONDUCTOR MFG | 3 | 2004–2008 |
| ACCTON TECHNOLOGY CORP | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Yunlin County, TW | 16 | 2005–2012 |
| Taipei, TW | 7 | 2011–2019 |
| Guangdong, CN | 5 | 2020–2021 |
| Chu-Nan, TW | 3 | 2004–2008 |
| Yun Lin Hsien, TW | 1 | 2011 |