Inventor · disambiguated record
Chi Fung Lok
Also filed as: LOK CHI FUNG
11 granted patents·110 citations·filing 2013–2023
88Inventor score
Top patents by PatentIndex Score
11 records- 0196US11750160B1Gain-boosted class-AB differential residue amplifier in a pipelined Analog-to-Digital Converter (ADC) using switched-capacitor common-mode feedback to eliminate tail current sourcesCAELUS TECH LIMITED·Filed 2022·Granted Sep 5, 2023·8 cites·10 claims
- 0296US11646747B1Multi-channel interleaved analog-to-digital converter (ADC) using overlapping multi-phase clocks with SAR-searched input-clock delay adjustments and background offset and gain correctionCAELUS TECH LIMITED·Filed 2022·Granted May 9, 2023·10 cites·20 claims
- 0395US10483995B1Calibration of radix errors using Least-Significant-Bit (LSB) averaging in a Successive-Approximation Register Analog-Digital Converter (SAR-ADC) during a fully self-calibrating routineCAELUS TECH LIMITED·Filed 2019·Granted Nov 19, 2019·32 cites·20 claims
- 0494US11146282B1Calibration of residual errors using least-mean-squares (LMS) and stochastic-gradient methods for an analog-to-digital converter (ADC) with a pre-calibrated lookup tableCAELUS TECH LIMITED·Filed 2021·Granted Oct 12, 2021·16 cites·20 claims
- 0594US9219492B1Loading-free multi-stage SAR-assisted pipeline ADC that eliminates amplifier load by re-using second-stage switched capacitors as amplifier feedback capacitorHK APPLIED SCIENCE & TECH RES·Filed 2014·Granted Dec 22, 2015·33 cites·20 claims
- 0691US11641210B1Matrix processor generating SAR-searched input delay adjustments to calibrate timing skews in a multi-channel interleaved analog-to-digital converter (ADC)CAELUS TECH LIMITED·Filed 2021·Granted May 2, 2023·6 cites·20 claims
- 0791US11632121B1Calibration of timing skews in a multi-channel interleaved analog- to-digital converter (ADC) by auto-correlation of muxed-together channels in binary output treeCAELUS TECH LIMITED·Filed 2021·Granted Apr 18, 2023·5 cites·20 claims
- 0848US11855651B2Discrete-time offset correction circuit embedded in a residue amplifier in a pipelined analog-to-digital converter (ADC)CAELUS TECH LIMITED·Filed 2022·Granted Dec 26, 2023·0 cites·20 claims
- 0946US12231138B2Analog-to-digital converter (ADC) with reference ADC path receiving attenuated input to generate error codes for second and third harmonics by counting negative and positive codesCAELUS TECH LIMITED·Filed 2023·Granted Feb 18, 2025·0 cites·20 claims
- 1040US11757459B2Cascode Class-A differential reference buffer using source followers for a multi-channel interleaved Analog-to-Digital Converter (ADC)CAELUS TECH LIMITED·Filed 2022·Granted Sep 12, 2023·0 cites·20 claims
- 1140US9086706B2Low supply voltage bandgap reference circuit and methodHK APPLIED SCIENCE & TECH RES·Filed 2013·Granted Jul 21, 2015·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →