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1、ELECTRONICS’2004,22-24SeptemberElectronicScaleIndustryAnalysisMarketOverviewSozopol,BULGARIAIstvanSztojanov-MemberIEEE,SeverPascaMemberIEEEDapartmentofAppliedElectronicsandInfornationEngineering,UniversityPOLITEHNICAofBucharestAbstract:Whiletechnolog
2、yfeaturesevolved,theneweraswellasbetterproductshaveemergedandhasmadepopularimpactsinthehumansociety.Someofthesedevicestendtobesimplearoundnatureandseveralaremorecomplicatedthanthemediocreones.Electronicweighingscalehasbecomethesimplerdevicesthatplaye
3、dadistinctroleinmanycornersofourlifestyles.Keyswords:ElectronicScale,MarketOverviewWeighingscaleswereinventedduringthehistoricaltimes.ItisbelievedthatthefirstweighingbalancewasusedintheMesopotamiaCivilizationin4000BCAweighingscalewastheverybasicneedo
4、fanybartersysteminrecenttimes.Fewsimpletechniquesevolvedasunitsofmeasurementbecamepopular.Aweighingscaleservedthebasicfunctionofcomparethemassesoftwoobjectsortwodifferentgoodsduringtheoldages.Thefirstweighingscalewasmadeofwoodanditwasactuallyaweighin
5、gbalance.Itconsistedoftwowoodencontainerstokeepthegoodsinthemandboththesecontainerswereconnectedtoeachotherthroughawireorironrod.Nowthegoodswereputinthecontainersandthebalancedweightwasachievedwhenboththecontainersrestedatthesamelevel.Scaleistheweigh
6、tofanobjectweighingapparatus,widelyusedinindustry,agriculture,commerce,scientificresearch,medicalandhealthdepartments.Scaleaccordingtostructuralprinciplecanbedividedintomechanicalscales,electronicscales,mechanicalandelectricalintegrationweighingthree
7、categories.Mechanicalweighingscalesandspringbalanceisdividedintolevers.Dividedbyenduse,mainlyscales,steelyard,whichscales,platformscales,landinthescale,groundscale,railscale,beltscales,postalscales,cranescale,batchingscalesandpocketscalesandsoon..Wit
8、hthebeginningofthetradeera,needofanaccurateweighingbalancebecameveryvital.Thefirst-everweighingbalanceofthemoderntimeswasbuiltanddesignedbythegreatartistLeonardoDaVinciinthelate15thcentury.Peoplestartedmakingcertaininnovationsandin1770,RichardSalter,
