The latest invention patents collect the data information of China invention patents from 2000 to 2024, typesetting according to the date of patent publication, including patent number, application date, invention Bibliographic data, abstracts, and specification data of people are convenient for scientific researchers to quickly browse and search for patents.
InactiveCN109988454ASolve the problem of poor signal transmission abilityMeet the requirements of the 4.5G/5G communication eraInksLiquid/solution decomposition chemical coatingCopper platingEngineering
ActiveCN105024609AStrong ability to resist load disturbanceSolve the problem of speed tracking controlElectronic commutation motor controlVector control systemsPermanent magnet synchronous motorElectric cars
InactiveCN111446873AImprove tracking control accuracyImprove input current waveform qualityAc-dc conversion without reversalDc-dc conversionControl engineeringHemt circuits
ActiveCN110049298BSolve the problem of realizing the karaoke functionElectrophonic musical instrumentsPicture reproducers using projection devicesUSBAudio frequency
PendingCN111596091AEfficient and fast measurementSynchronous acquisitionIndication/recording movementFull-field flow measurementData acquisitionEngineering
InactiveCN107904332AReduce operating intensityEasy to producePre-tanning chemical treatmentLeather/skins/hides/pelt chemical treatment apparatusTear resistanceEngineering
ActiveCN104808788AImprove experienceIntuitive and natural interactionInput/output for user-computer interactionCharacter and pattern recognitionTouchscreenTouch user interface