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1、如何进行美国专利搜索1、在百度里，搜索关键字：USpatent2、进入连接：http://www.uspto.gov/patents/process/search/#heading-13、点击第一项：patentfull-textdatabase,进入：http://patft.uspto.gov/4、然后进入各种search方式：比如进入：QuickSearch5、在栏目：term1,填入：digitalmagneticsensor,开始搜索,得到如下内容：PAT.NO.Title18,098,062Comparatorcircuithavinglatchi
2、ngbehavioranddigitaloutputsensorstherefrom28,089,231Electricmotor,methodforcorrectingsensoroutputforthesame,andcontrolcircuit38,080,967Brushlesselectricmachine48,072,166Brushlessmotor58,035,325Single-phasebrushlessmotor68,004,225Drivecontrolcircuitforelectricmotorandelectricmotorequ
3、ippedwithsame77,994,782Magneticdetectioncircuit87,982,461Magneticsensorandmanufacturingmethodtherefor97,906,930Brushlesselectricmachine107,906,925Electricmotor,drivesystememployingmultipleelectricmotors,andmethodforcontrollingthesame117,635,993Digitalmagneticcurrentsensorandlogic127
4、,406,883Compactdeviceformeasuringthespeedandthedirectionofrotationofanobject137,259,550Deviceforcalibrationofmagneticsensorsinthreedimensions146,754,048Multiplemagnetoresistive(MR)layersensorelementhavinglongitudinalbiaslayerswithnon-parallelmagnetizations156,449,131Cantedlongitudin
5、alpatternedexchangebiaseddual-stripemagnetoresistive(DSMR)sensorelementandmethodforfabricationthereof166,322,640Multiplethermalannealingmethodforformingantiferromagneticexchangebiasedmagnetoresistive(MR)sensorelement176,310,751Anti-parallellongitudinalpatternedexchangebiaseddualstri
6、pemagnetoresistive(DSMR)sensorelementandmethodforfabricationthereof186,295,718Methodforfabricatinganon-parallelmagneticallybiasedmultiplemagnetoresistive(MR)layermagnetoresistive(MR)sensorelement196,230,390Cantedlongitudinalpatternedexchangebiaseddual-stripemagnetoresistive(DSMR)sen
7、sorelementandmethodforfabricationthereof204,302,724Pickupprobeforenginetiming214,183,419Hydrostaticfrontwheeldrivesystem224,177,870Hydrostaticfrontwheeldrivesystem234,159,658Rotaryindextables1、得到以上的专利信息后，一方面可以浏览、一方面可以截取到自己的文件中。这些阅读一般只是文本阅读，不能看到图像。进行大概的阅读后，对有兴趣的进行详细的阅读，这时候，需要通过专利后，把整
8、个专利文献，下载成pdf文件。2、打开
