Yintoni -isuntswana leTag ye-Electronic?

Yintoni -isuntswana leTag ye-Electronic?

 

Ithegi ye-Eletroniki -yesuntswana enye

 

Umthamo wedatha we-bit system yintwana enye. Xa ithegi ye-elektroniki yinkqubo enye -yesuntswana (1b), ithegi ye-elektroniki inamazwe amabini kuphela: 1 kunye no-0. Umfundi / umbhali wale nkqubo unokuvelisa kuphela amazwe amabini, athi "ithegi ye-elektroniki kwindawo yokusebenza yomfundi / umbhali" kwaye "akukho tag ye-elektroniki kwindawo yokusebenza yomfundi / umbhali." Ithegi ye-elektroniki ye{7}yeyona yeyona tag yakudala yasetyenziswa kurhwebo, eyavela okokuqala ngo-1960s. Isetyenziswa kakhulu kwinkqubo ye-Electronic Article Surveillance (EAS) kwiivenkile. Umfundi / umbhali wale nkqubo udla ngokubekwa kwisango levenkile, kwaye ithegi ye-elektroniki ifakwe kwintengiso. Xa ukuthengisa kudlula kwisango levenkile, inkqubo iyakhala.

 

Enye-ithegi ye-electronic bit ayifuni chip kwaye inokusebenza ngeendlela ezahlukeneyo ezifana nefrikhwensi yerediyo (RF), i-microwave, ulwahlulo lwamaza, uhlobo olukrelekrele, i-electromagnetic, kunye ne-acousto{1}}iindlela zemagnetic. Umgaqo wokusebenza-webhithi yethegi yombane waziswa ngezantsi, uthatha indlela yeRF njengomzekelo.

 

Umgaqo-siseko wokuSebenza weNdlela yokuPhuhliswa kweRadio

 

Inkqubo yokusebenza yeRF inamacandelo amathathu: umfundi/umbhali (isikhangeli), ithegi yombane, kunye nesicimi. Ithegi yombane isebenzisa i-L-C oscillating circuit ukusebenza, kunye ne-oscillating circuit ishunisela ukuphindaphinda ukuya kwi-resonant frequency fR. Umfundi/umbhali wenkqubo yokusebenza yeRF (isitshini) ukhupha indawo enemagnethi etshintshanayo ngefG ethile. Xa ukuphindaphindwa kwethagi yemagnethi etshintshanayo ye-fG ifana ne-resonant frequency fR yethegi ye-elektroniki, isekethe ejikelezayo yethegi ye-elektroniki yenza iresonance. Ngelo xesha, i-current in the oscillating circuit iphikisana ne-alternating magnetic field yangaphandle, ekhokelela ekunciphiseni i-amplitude ye-alternating magnetic field. Ukuba umfundi / umbhali (umtshini) ufumanisa ukunciphisa kwintsimi yamagnetic alternating, iya kubathusa. Emva kokuba ithegi ye-elektroniki isetyenzisiwe, iyatshatyalaliswa ngokusebenzisa "isitshixo." Umgaqo osebenzayo wendlela yeRF iboniswe kuMfanekiso 5-2.

 

 

(1) Umfundi/uMbhali (umtshini).Umfundi/umbhali (isikhangeli) ngokubanzi sinamacandelo amabini: isidluliseli kunye nomamkeli. Umgaqo wayo osisiseko kukusebenzisa i-eriyali yokudlulisa ukukhupha indawo enemagnethi etshintshanayo, yenze indawo yokuskena phakathi kwe-eriyali ethumelayo neyamkelayo, kunye nokusebenzisa i-eriyali eyamkelayo ukufumana le ndawo itshintshanayo yamagnetic phakathi koluhlu olufumanayo. Inkqubo yokusebenza yeRF isebenzisa umthetho-siseko we-electromagnetic wave resonance ukukhangela ukuba ithegi ye-elektroniki ikhona na kuluhlu oluthile. Ukuba ithegi ye-elektroniki ibonakala kule ndawo, i-alam ivuswa ngokukhawuleza.

 

(2) Ithegi ye-elektroniki.Ingaphakathi lethegi ye-elektroniki yi-L - C ehlelekile yesekethe ye-oscillating, kunye nethegi ye-elektroniki ifakwe kwintengiso ngendlela ekhethekileyo. Iithegi ze-elektroniki ngoku kwimarike ziquka iithegi ezithambileyo kunye neethegi ezinzima.

 

Umcimi unokuvelisa indawo eyaneleyo yemagnethi, enokuthi itshabalalise icwecwe elicekethekileyo-i-capacitor yefilimu kwithegi yombane, ibangele uL{1}}isakhiwo se-C ngaphakathi kwethegi yombane lusilele.

 

Ii-deactivators zihlala zitshintshwa zizivula okanye ii-decoder. Ii-unlocker zizixhobo ezisetyenziselwa ukususa ngokukhawuleza iithegi ezahlukeneyo ezinzima. Iidekhowuda zizixhobo ezivala iithegi ezithambileyo. Abangengabo{3}}abaqhagamshelwayo abasebenzisa iikhowuda eziqhele ukusetyenziswa kwimarike namhlanje bangakwazi ukukhupha ithegi ethambileyo ngokuyigqithisa ngaphakathi kwe-20 cm ngaphezulu kwedekhowuda.

 

Intshayelelo yeNkqubo ye-Electronic Article Surveillance (EAS).

 

Namhlanje, ukusetyenziswa kwenkqubo ye-Electronic Article Surveillance (EAS) kwishishini lokuthengisa liya lisanda. Yimveliso yombane echasene -nobusela obunciphisa ubusela bezinto ezithengiswayo ngexesha elivulekileyo-intengiso yeshelufu, ngokwenjenjalo yandisa inzuzo yokuthengisa, kwaye yenye yamanyathelo okhuseleko amkelwe ngokubanzi kushishino lwangoku olukhulu{3}}loshishino lokuthengisa. Ngapha koko, inkqubo ye-EAS yinkqubo elula yokuchonga amaza kanomathotholo. Kuba inamazwe amabini kuphela, inokubonisa kuphela ubukho okanye ukungabikho kwentengiso, hayi into ethengisiweyo. Amanyathelo okubona ubusela benkqubo ye-EAS zezi zilandelayo.

 

(1) Ithegi echasene{1}}nobusela incanyathiselwe kwintengiso.

(2) Ii-detectors zifakwe kwindawo yokuphuma yevenkile okanye i-cashier paisle.

(3) Emva kwentlawulo, urhwebo ludlula kwidikhowuda enikezelweyo ukuvala ithegi okanye isebenzisa i-un{1}}lokhari ukususa ithegi.

(4) Xa ukuthengiswa okungahlawulwanga (kunye nethegi eqhotyoshelweyo) idlula ekuphumeni, i-detector yomnyango ibona ithegi kwaye ikhuphe i-alamu, inqanda ukuthengiswa kokuhamba.

 

Iithegi ze-elektroniki zohlulwe zibe ziithegi ezithambileyo kunye neethegi ezinzima. Iithegi ezithambileyo zinexabiso eliphantsi kwaye zincanyathiselwe ngokuthe ngqo kwintengiso "enzima". Iithegi ezithambileyo azinakuphinda zisetyenziswe. Iithegi ezinzima zineendleko eziphezulu-zexesha kuneethegi ezithambileyo kodwa zingaphinda zisetyenziswe. Iithegi ezinzima kufuneka zixhotyiswe ngesixhobo esikhethekileyo kwaye zisetyenziselwa izinto ezithambileyo nezingena lula njengempahla.

 

Iikhowuda ubukhulu becala asizo{0}}zizixhobo eziqhagamshelekayo ezinobude obuthile bokuguqula ikhowudi. Xa i-cashier ihlola okanye ibhegi izinto, ithegi ye-elektroniki inokuchazwa ngaphandle kokuchukumisa indawo yokucima. Ukuba ukuthengisa kushiya ivenkile ngaphandle kokuchazwa, i-detector iya kubangela i-alamu, ikhumbuze i-cashier, umthengi, kunye nabasebenzi bezokhuseleko bevenkile ukuba bayiphathe ngokukhawuleza.

 

Inkqubo ye-Electronic Article Surveillance (EAS) ayibangeli ukuba abathengi bazive bengakhululekanga njengeenkqubo zokucupha kwaye ikwasebenza njengesithintelo. Kukho iiteknoloji ezine eziphambili kwinkqubo ye-EAS: amaza erediyo, i-electromagnetic, i-microwave, kunye ne-acousto{1}}iteknoloji yemagneti. Ngokubanzi, iimveliso ze-electromagnetic kunye neRF zinexabiso eliphantsi, kwaye iithegi zazo zihlala zibambelela ngokusisigxina kwintengiso okanye kwipakethe, ngelixa ii-microwave kunye ne-acousto{3}}iithegi zemagnetic zibiza kakhulu.