EAS (Electronic Article Surveillance), yomwe imadziwikanso kuti electronic commodity theft prevention system, ndi imodzi mwa njira zotetezera zinthu zomwe zimagwiritsidwa ntchito kwambiri m'makampani akuluakulu ogulitsa.EAS idayambitsidwa ku United States chapakati pa zaka za m'ma 1960, yomwe idagwiritsidwa ntchito popanga zovala, yakulitsa maiko ndi zigawo za 80 padziko lonse lapansi, ndikufunsira kumasitolo akuluakulu, masitolo akuluakulu, mafakitale ogulitsa mabuku, makamaka m'masitolo akuluakulu (malo osungiramo zinthu). ) mapulogalamu.Dongosolo la EAS lili ndi magawo atatu: Sensor, Deactivator, Electronic Label ndi Tag.Zolemba zamagetsi zimagawidwa kukhala zofewa komanso zolimba, zolembera zofewa zimakhala ndi mtengo wotsika, zomwe zimamangiriridwa mwachindunji kuzinthu zambiri "zolimba", zolemba zofewa sizingagwiritsidwe ntchito;zolembera zolimba zimakhala ndi mtengo wokwera kamodzi, koma zitha kugwiritsidwanso ntchito.Zolemba zolimba ziyenera kukhala ndi misampha yapadera ya misomali pazinthu zofewa, zolowera.Ma decoder nthawi zambiri amakhala zida zopanda kulumikizana zokhala ndi kutalika kwa mawu.Wosunga ndalama akalembetsa kapena kunyamula, cholembera chamagetsi chimatha kusindikizidwa popanda kukhudzana ndi dera la demagnetization.Palinso zida zomwe zimapanga decoder ndi laser barcode scanner kuti amalize kusonkhanitsa katundu ndikulemba kamodzi kuti athandizire ntchito ya cashier.Njira iyi iyenera kugwirizana ndi ogulitsa ma barcode a laser kuti athetse kusokonezana pakati pa awiriwa ndikuwongolera kukhudzika kwa decoding.Katundu wosadziwika amachotsedwa pamsika, ndipo alamu pambuyo pa chipangizo chojambulira (makamaka khomo) imayambitsa alamu, kuti akumbutse wosunga ndalama, makasitomala ndi ogwira ntchito zachitetezo m'misika kuti athane nawo munthawi yake.
Ponena kuti dongosolo la EAS limazindikira chonyamulira chizindikiro, pali machitidwe asanu ndi limodzi kapena asanu ndi awiri osiyana ndi mfundo zosiyana.Chifukwa cha mawonekedwe osiyanasiyana a chonyamulira chodziwikiratu, magwiridwe antchito amasiyananso kwambiri.Pakadali pano, makina asanu ndi limodzi a EAS omwe atuluka ndi ma electromagnetic wave system, microwave system, radio / radio frequency system, frequency Division system, self-alarm intelligent system, ndi ma acoustic magnetic systems.Electromagnetic wave, microwave, radio / RF machitidwe adawonekera kale, koma ochepera ndi mfundo zawo, palibe kusintha kwakukulu pamachitidwe.Mwachitsanzo, makina a mayikirowevu ngakhale amatuluka chitetezo chambiri, kuyika kosavuta komanso kosinthika (mwachitsanzo kubisika pansi pa kapeti kapena kupachikidwa padenga), koma osatetezeka kumadzi monga chitetezo cha anthu, achoka pang'onopang'ono pamsika wa EAS.Njira yogawana pafupipafupi imangokhala chizindikiro cholimba, chomwe chimagwiritsidwa ntchito kwambiri poteteza zovala, sichingagwiritse ntchito sitolo yayikulu;popeza dongosolo lanzeru la alamu limagwiritsidwa ntchito makamaka pazinthu zamtengo wapatali monga mafashoni apamwamba, zikopa, malaya a ubweya, etc.;Acoustic magnetic system ndiwopambana kwambiri paukadaulo wothana ndi kuba, wasintha njira yakuba pakompyuta kwa ogulitsa ambiri kuyambira pomwe idakhazikitsidwa mu 1989.
Zizindikiro zowunikira kachitidwe ka EAS zimaphatikizira kuwunika kwadongosolo, lipoti labodza la dongosolo, kuthekera kotsutsana ndi chilengedwe, kutchingira kwachitsulo, m'lifupi mwachitetezo, mtundu wazinthu zodzitchinjiriza, magwiridwe / kukula kwa zolemba zotsutsana ndi kuba, zida za demagnetization, ndi zina zambiri.

(1) Mtengo woyeserera:
Mlingo wozindikirika umatanthawuza kuchuluka kwa ma alarm pomwe chiwerengero cha zilembo zovomerezeka chikudutsa m'malo osiyanasiyana pamalo ozindikirako mosiyanasiyana.
Chifukwa cha kachitidwe ka machitidwe ena, lingaliro la kuzindikirika liyenera kutengera kuchuluka kwa kuzindikirika mbali zonse.Pankhani ya mfundo zitatu zomwe zimagwiritsidwa ntchito kwambiri pamsika, kuchuluka kwa ma acoustic maginito ndikokwera kwambiri, nthawi zambiri kumapitilira 95%;Makina a wailesi / RF ali pakati pa 60-80%, ndipo mafunde amagetsi nthawi zambiri amakhala pakati pa 50 ndi 70%.Dongosolo lomwe lili ndi chiwopsezo chochepa chodziwikiratu chikhoza kukhala ndi chiwopsezo cha kutayikira pamene katundu watulutsidwa, kotero kuti chiwerengero cha kudziwika ndi chimodzi mwa zizindikiro zazikulu za ntchito zowunikira khalidwe la anti-kuba.

(2) Kusokoneza System:
Alamu yabodza ya dongosolo imatanthawuza alamu yomwe chizindikiro chosabedwa chimayambitsa dongosolo.Ngati chinthu chomwe sichinalembedwe chimayambitsa alamu, chidzabweretsa zovuta kwa ogwira ntchito kuti aweruze ndikuchiwongolera, komanso kuyambitsa mikangano pakati pa makasitomala ndi misika.Chifukwa cha malire a mfundo, machitidwe amakono a EAS sangathe kuchotseratu alamu onyenga, koma padzakhala kusiyana kwa ntchito, chinsinsi chosankha dongosolo ndikuwona chiwopsezo chabodza.

(3) Kutha kukana kusokoneza chilengedwe
Zida zikasokonezeka (makamaka ndi mphamvu zamagetsi ndi phokoso lozungulira), dongosololi limatumiza chizindikiro cha alamu pamene palibe amene akudutsa kapena palibe chinthu choyambitsa alamu chikudutsa, chodabwitsa chotchedwa lipoti labodza kapena kudzidzidzimutsa.
Radio / RF dongosolo sachedwa kusokoneza chilengedwe, nthawi zambiri kudziimba yekha, kotero machitidwe ena anaika zipangizo infuraredi, ofanana ndi kuwonjezera lophimba magetsi, kokha pamene ogwira ntchito dongosolo, kutchinga infuraredi, dongosolo anayamba kugwira ntchito, palibe amene akudutsa. , dongosololi lili mu standby state.Ngakhale izi zimathetsa kuvomereza pamene palibe amene akudutsa, komabe sangathe kuthetsa vuto la kuvomereza pamene wina wadutsa.
Electromagnetic wave system ilinso pachiwopsezo chosokonezedwa ndi chilengedwe, makamaka maginito media ndi kusokoneza magetsi, zomwe zimakhudza magwiridwe antchito.
The lamayimbidwe maginito utenga wapadera resonance mtunda kutali ndi kugwirizana ndi ukadaulo wanzeru, dongosolo amalamulidwa ndi microcomputer ndi mapulogalamu basi kuzindikira phokoso yozungulira, kotero izo zikhoza kusintha bwino chilengedwe ndi kukhala ndi zabwino odana ndi chilengedwe kusokoneza luso.

(4) Mlingo wachitetezo chachitsulo
Katundu wambiri m'masitolo ndi masitolo akuluakulu amanyamula zinthu zachitsulo, monga chakudya, ndudu, zodzoladzola, mankhwala osokoneza bongo, ndi zina zotero, ndi zinthu zawo zachitsulo, monga mabatire, ma CD/VCD mbale, zokonzera tsitsi, zida za hardware, ndi zina zotero;ndi ngolo zogulira ndi mabasiketi ogulira zoperekedwa ndi masitolo.Zomwe zili ndi zitsulo zokhala ndi zitsulo pa dongosolo la EAS makamaka ndi chitetezo cha chizindikiro cha induction, kotero kuti chipangizo chodziwikiratu chadongosolo sichingathe kuzindikira kuti pali zilembo zogwira mtima kapena kuti chidziwitso chodziwikiratu chachepetsedwa kwambiri, zomwe zimapangitsa kuti dongosololi likhale lopanda mphamvu. tulutsani alamu.
Chomwe chimakhudzidwa kwambiri ndi kutetezedwa kwachitsulo ndi wailesi / RF RF system, yomwe ingakhale imodzi mwazoletsa zazikulu zama radio / RF pakugwiritsa ntchito kwenikweni.Electromagnetic wave system idzakhudzidwanso ndi zinthu zachitsulo.Chitsulo chachikulu chikalowa m'dera lodziwika la ma electromagnetic wave system, dongosololi lidzawoneka ngati "stop" phenomenon.Pamene ngolo yogulitsira zitsulo ndi basiketi yogulitsira idutsa, ngakhale katunduyo atakhala ndi zilembo zovomerezeka, sizidzatulutsa alamu chifukwa cha chitetezo.Kuphatikiza pa zinthu zachitsulo zoyera monga mphika wachitsulo, ma acoustic maginito amakhudzidwa, ndipo zinthu zina zachitsulo / zojambula zachitsulo, ngolo yogulitsira zitsulo / basiketi yogulira ndi zinthu zina zapamsika wamba zimatha kugwira ntchito bwino.

(5) Chitetezo m'lifupi
Malo ogulitsira ayenera kuganizira kukula kwa chitetezo cha anti-kuba, kuti asapewe m'lifupi pakati pa zothandizira pa nkhuni, zomwe zimakhudza makasitomala mkati ndi kunja.Kupatula apo, malo ogulitsira onse amafuna kukhala ndi khomo lalikulu komanso potuluka.

(6) Chitetezo cha mitundu ya zinthu
Katundu m'malo ogulitsira amatha kugawidwa m'magulu awiri.Mtundu umodzi ndi katundu “wofewa”, monga zovala, nsapato ndi zipewa, zoluka katundu, mtundu woterewu wogwiritsa ntchito chitetezo cha zilembo zolimba, zitha kugwiritsidwanso ntchito;mtundu wina ndi "zolimba" katundu, monga zodzoladzola, chakudya, shampu, etc., ntchito zofewa chizindikiro chitetezo, antimagnetization mu cashier, ntchito nthawi zambiri kutaya.
Kwa zilembo zolimba, mfundo zosiyanasiyana za machitidwe odana ndi kuba zimateteza mitundu yofanana ya katundu.Koma kwa zilembo zofewa, zimasiyana mosiyanasiyana chifukwa cha zinthu zosiyanasiyana zochokera kuzitsulo.

(7) Kuchita kwa zolemba zotsutsana ndi kuba
Chizindikiro choletsa kuba ndi gawo lofunikira pamagetsi onse oletsa kuba.Kuchita kwa chizindikiro chotsutsa-kuba kumakhudza ntchito ya dongosolo lonse loletsa kuba.Zolemba zina zimakhudzidwa ndi chinyezi;ena sapinda;ena amatha kubisala mosavuta m'mabokosi azinthu;ena adzapereka malangizo othandiza pa chinthucho, ndi zina.

(8) Zida zamaginito
Kudalirika ndi kumasuka kwa zida za demagtization ndizofunikanso pakusankha njira yotsutsana ndi kuba.Pakadali pano, zida zapamwamba kwambiri za demagnetization ndizosalumikizana, zomwe zimapanga gawo lina la demagmagnetization.Chizindikiro chogwira ntchito chikadutsa, chizindikiro cha demagnetization chimatha nthawi yomweyo popanda kukhudzana ndi demagmagnetization, yomwe imathandizira kuti wosunga ndalama azikhala wosavuta ndikufulumizitsa liwiro la cashier.
Machitidwe a EAS nthawi zambiri amagwiritsidwa ntchito limodzi ndi machitidwe ena odana ndi kuba, omwe amadziwika ndi CCTV monitoring (CCTV) ndi cashier monitoring (POS/EM).Njira yowunikira ma cashier idapangidwa kuti otolera ndalama azilumikizana ndi ndalama zambiri tsiku lililonse ndipo amakonda kuba.Imagwiritsa ntchito ukadaulo wophatikizira mawonekedwe a cashier ndi chowonera cha CCTV kuwonetsetsa kuti oyang'anira misika amadziwa momwe wosunga ndalamayo akukhalira.
EAS yamtsogolo idzayang'ana kwambiri mbali ziwiri: burglar Source Label Program (Source Tagging) ndipo ina ndi Wireless Recognition Technology (Smart ID).Chifukwa Smart ID imakhudzidwa ndi kukhwima kwaukadaulo komanso mitengo yamitengo, siigwiritsidwa ntchito mwachindunji ndi ogwiritsa ntchito mwachangu kwambiri.
Dongosolo la magwero a magwero ndi zotsatira zosapeŵeka zabizinesi kuti achepetse ndalama, kukonza kasamalidwe ndikuwonjezera phindu.Kugwiritsa ntchito kovuta kwambiri kwa EAS system ndikulemba pakompyuta pamitundu yosiyanasiyana yazinthu, zomwe zikuwonjezera zovuta pakuwongolera.Njira yabwino yothetsera vutoli ndiyonso njira yothetsera vutoli ndikusamutsira ntchito yolembera kwa wopanga mankhwala, ndikuyika chizindikiro chotsutsa-kuba muzinthu kapena kulongedza popanga mankhwala.Chizindikiro cha gwero kwenikweni ndi chifukwa cha mgwirizano pakati pa ogulitsa, opanga, ndi opanga machitidwe odana ndi kuba.Chizindikiro chochokera kumapangitsa kuchuluka kwa zinthu zomwe zingagulitsidwe, kubweretsa kumasuka kwa makasitomala.Kuphatikiza apo, kuyika kwa chizindikirocho kumabisikanso kwambiri, kuchepetsa kuthekera kwa kuwonongeka, ndikuwongolera magwiridwe antchito oletsa kuba.