Tom qab 40 xyoo ntawm txoj kev loj hlob, kev tiv thaiv tub sab tub nyiag tau hloov zuj zus los ntawm ib qho khoom lag luam nrog ib lub hauv paus ntsiab lus thaum ntxov mus rau qhov xwm txheej uas muaj ntau hom kev sib txawv, hloov mus rau cov kev xav tau ntawm ntau hom khw muag khoom xws li cov khw muag khoom, supermarkets, khw muag khoom tshwj xeeb, thiab cov tsev qiv ntawv.
1. Subdivided los ntawm daim ntawv tiv thaiv, nws tuaj yeem muab faib ua cov kab ntsug ntsug, kaw qhov kaw lus thiab channel system.
Cov cuab yeej nrhiav pom ntawm cov kab ntsug ntsug sawv pom meej ntawm qhov nkag thiab tawm ntawm lub khw. Ntxiv nrog rau qhov kev tshawb pom muaj nuj nqi, nws kuj tseem muaj qhov cuam tshuam pom tseeb.
Lub kaw lus zais yog nruab rau lub kaw lus zais hauv qab cov ntaub pua plag lossis qab nthab ntawm qhov tawm, uas tsis cuam tshuam rau tag nrho ib puag ncig ntawm lub khw, thiab tseem tuaj yeem ua lub luag haujlwm ntawm kev tiv thaiv tub sab nyiag, ua tau raws li qhov xav tau ntawm tus tswv khw rau ob qho tib si. kev zoo nkauj thiab tiv thaiv tub sab nyiag.
Lub kaw lus channel yog kev sib koom ua ke EAS system nrog lub txee rau ntawm qhov tawm ntawm lub tsev loj los tsim kev tiv thaiv channel, uas yog ib txoj hauv kev zoo kom paub txog kev tiv thaiv tub sab hauv lub tsev loj.
2. Nws tuaj yeem paub qhov txawv ntawm qhov kev kuaj pom lub teeb liab ntawm nws daim ntawv thov, uas tuaj yeem faib ua cov xov tooj cua, electromagnetic yoj system, microwave system, zaus faib qhov system, ntse system thiab acousto-magnetic system.
