Assignee
WELTREND SEMICONDUCTOR INC
TW·39 granted patents·8 pending applications·119 citations·filing 1994–2024
Top patents by PatentIndex Score
47 records- 0191US12307631B2Super-resolution image reconstruction method and super-resolution image reconstruction system capable of dynamically adjusting weightings according to temporal informationWELTREND SEMICONDUCTOR INC·Filed 2022·Granted May 20, 2025·2 cites·18 claims
- 0291US11569655B2Power delivery system and related method of detecting overcurrent and failureWELTREND SEMICONDUCTOR INC·Filed 2021·Granted Jan 31, 2023·4 cites·15 claims
- 0389US11496715B2Image color brightness compensation method and image color brightness compensation system by using a bayer color filter and a demosaic processWELTREND SEMICONDUCTOR INC·Filed 2021·Granted Nov 8, 2022·2 cites·16 claims
- 0485US9960594B1System for dynamically controlling an operation of over voltage protection and a voltage converterWELTREND SEMICONDUCTOR INC·Filed 2017·Granted May 1, 2018·9 cites·11 claims
- 0584US10168718B1Driving controller capable of dynamically adjusting voltage at control terminal of transistorWELTREND SEMICONDUCTOR INC·Filed 2018·Granted Jan 1, 2019·6 cites·15 claims
- 0676US10897205B2Power controllers and power converters with configurable feedback loop for different nominal output voltagesWELTREND SEMICONDUCTOR INC·Filed 2018·Granted Jan 19, 2021·2 cites·7 claims
- 0776US10650204B2Barcode detection method and barcode detection system for increasing detection efficiency by using gray level flip countsWELTREND SEMICONDUCTOR INC·Filed 2018·Granted May 12, 2020·3 cites·10 claims
- 0873US10255657B2Image perspective conversion method by converting coordinates of polygonal sub-regions and system thereofWELTREND SEMICONDUCTOR INC·Filed 2017·Granted Apr 9, 2019·2 cites·10 claims
- 0969US10321054B2Panoramic image stitching method for reducing geometric distortion by using an image registration process and system thereofWELTREND SEMICONDUCTOR INC·Filed 2017·Granted Jun 11, 2019·2 cites·10 claims
- 1068US11545904B2Power controllers and power converters with configurable feedback loop for different nominal output voltagesWELTREND SEMICONDUCTOR INC·Filed 2020·Granted Jan 3, 2023·0 cites·6 claims
- 1166US7447355B2Method for defining chromaticity regions according to luminance levels and adjusting chromaticity of images accordinglyWELTREND SEMICONDUCTOR INC·Filed 2005·Granted Nov 4, 2008·5 cites·30 claims
- 1265US10164518B2Power control device capable of detecting the condition of the sensing resistorWELTREND SEMICONDUCTOR INC·Filed 2018·Granted Dec 25, 2018·1 cites·10 claims
- 1363US10154559B1Control circuit and control method for detecting configuration channel line and driving light emitting unit accordinglyWELTREND SEMICONDUCTOR INC·Filed 2018·Granted Dec 11, 2018·1 cites·10 claims
- 1461US12224695B2Motor control device for achieving safe and efficient braking and motor braking method thereofWELTREND SEMICONDUCTOR INC·Filed 2023·Granted Feb 11, 2025·0 cites·9 claims
- 1560US10405802B2Method for detecting a heart rateWELTREND SEMICONDUCTOR INC·Filed 2015·Granted Sep 10, 2019·1 cites·20 claims
- 1657US12211188B2Image dewarping device and methodWELTREND SEMICONDUCTOR INC·Filed 2022·Granted Jan 28, 2025·0 cites·18 claims
- 1757US2025211086A1Power Converter, Primary-Side Controller, Secondary-Side Controller, and Related Control Method Capable of Operating in Standby ModeWELTREND SEMICONDUCTOR INC·Filed 2024·Application pending·0 cites
- 1856US12199545B2Phase compensation method of brushless direct current motor and motor system utilizing the sameWELTREND SEMICONDUCTOR INC·Filed 2023·Granted Jan 14, 2025·0 cites·10 claims
- 1956US2025323499A1Power Supply Systems and Control Methods for Generating Operation Power SourceWELTREND SEMICONDUCTOR INC·Filed 2024·Application pending·0 cites
- 2055US12493572B2Universal serial bus architectureWELTREND SEMICONDUCTOR INC·Filed 2024·Granted Dec 9, 2025·0 cites·8 claims
- 2155US6980136B2Keyboard with detection function for pressing pressureWELTREND SEMICONDUCTOR INC·Filed 2004·Granted Dec 27, 2005·6 cites·13 claims
- 2253US6192420B1Controller with a vendor/product identification pin for a Universal Serial Bus by various manufacturersWELTREND SEMICONDUCTOR INC·Filed 1998·Granted Feb 20, 2001·35 cites·4 claims
- 2352US12149837B2Auto white balance adjusting method and auto white balance adjusting system by using dynamic window allocationsWELTREND SEMICONDUCTOR INC·Filed 2023·Granted Nov 19, 2024·0 cites·20 claims
- 2449US12499509B2Time division based band pass image generation method and time division based band pass image generation system capable of generating single-band pass images and dual-band pass imagesWELTREND SEMICONDUCTOR INC·Filed 2023·Granted Dec 16, 2025·0 cites·20 claims
- 2549US11533462B2Auto white balance adjusting method and auto white balance adjusting system for calibrating images by using dual color spacesWELTREND SEMICONDUCTOR INC·Filed 2021·Granted Dec 20, 2022·0 cites·20 claims
- 2649US11296605B2Synchronous rectifier controllers with slew-rate detectorWELTREND SEMICONDUCTOR INC·Filed 2020·Granted Apr 5, 2022·0 cites·5 claims
- 2749US11056968B2Power converter, power controller, and control method capable of providing multiple protectionsWELTREND SEMICONDUCTOR INC·Filed 2018·Granted Jul 6, 2021·0 cites·17 claims
- 2849US5555032AIntegrated circuit for economizing power consumption of a monitor by using two reference values for discrminating the input signalWELTREND SEMICONDUCTOR INC·Filed 1994·Granted Sep 10, 1996·19 cites·24 claims
- 2948US11050351B2Control method in use of active-clamp flyback power converterWELTREND SEMICONDUCTOR INC·Filed 2020·Granted Jun 29, 2021·0 cites·11 claims
- 3048US10560028B2Switching mode power supply with dynamic high-voltage charging to maintain operating voltageWELTREND SEMICONDUCTOR INC·Filed 2018·Granted Feb 11, 2020·0 cites·14 claims
- 3147US11483493B2Camera image conversion method capable of reducing processing timeWELTREND SEMICONDUCTOR INC·Filed 2020·Granted Oct 25, 2022·0 cites·14 claims
- 3247US7424055B2Method of video motion detection by adjusting the fields' length in the temporal domain and selecting the configurable patterns in the spatial domainWELTREND SEMICONDUCTOR INC·Filed 2004·Granted Sep 9, 2008·1 cites·9 claims
- 3346US12190476B2Auto white balance adjusting method and auto white balance adjusting systemWELTREND SEMICONDUCTOR INC·Filed 2022·Granted Jan 7, 2025·0 cites·20 claims
- 3446US11558591B2Projector focusing method and projector focusing system capable of projecting high resolution images at arbitrary positionsWELTREND SEMICONDUCTOR INC·Filed 2021·Granted Jan 17, 2023·0 cites·20 claims
- 3544US6396486B1Pixel clock generator for automatically adjusting the horizontal resolution of an OSD screenWELTREND SEMICONDUCTOR INC·Filed 1999·Granted May 28, 2002·16 cites·6 claims
- 3643US7030783B2Method for switching Num Lock modeWELTREND SEMICONDUCTOR INC·Filed 2003·Granted Apr 18, 2006·1 cites·12 claims
- 3742US2004186978A1High-speed single chip microcomputerWELTREND SEMICONDUCTOR INC·Filed 2003·Application pending·0 cites
- 3842US2022166255A1Control Method and Related Wireless Power Transmitter Capable of Acquiring Quality Factor of Resonant CircuitWELTREND SEMICONDUCTOR INC·Filed 2021·Application pending·0 cites
- 3941US10872257B2Barcode detection method and barcode detection system for increasing detection efficiencyWELTREND SEMICONDUCTOR INC·Filed 2020·Granted Dec 22, 2020·0 cites·15 claims
- 4039US10141836B1Control circuit capable of detecting status of receiving power and decreasing voltage of capacitor accordinglyWELTREND SEMICONDUCTOR INC·Filed 2018·Granted Nov 27, 2018·0 cites·10 claims
- 4138US7321683B2Method for independently adjusting six color classes with the consideration of boundary colors on a display deviceWELTREND SEMICONDUCTOR INC·Filed 2004·Granted Jan 22, 2008·1 cites·9 claims
- 4235US10048719B2Apparatus for automatically calibrating clock of non-crystal oscillator and method thereofWELTREND SEMICONDUCTOR INC·Filed 2016·Granted Aug 14, 2018·0 cites·8 claims
- 4335US2003234756A1Method for independently adjusting single color on a display deviceWELTREND SEMICONDUCTOR INC·Filed 2002·Application pending·0 cites
- 4433US2025130267A1Methods, Apparatuses and Composite Power Switch Capable of Detecting Conduction Current Flowing Through Power SwitchWELTREND SEMICONDUCTOR INC·Filed 2024·Application pending·0 cites
- 4532US2021364900A1Projection Method of Projection System for Use to Correct Image Distortion on Uneven SurfaceWELTREND SEMICONDUCTOR INC·Filed 2020·Application pending·0 cites
- 4629US2021297608A1Optical recognition system for use in computer visual processingWELTREND SEMICONDUCTOR INC·Filed 2020·Application pending·0 cites
- 4728US7295082B2Pulse frequency modulation oscillating circuit for a DC/DC converterWELTREND SEMICONDUCTOR INC·Filed 2006·Granted Nov 13, 2007·0 cites·16 claims
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