xov xwm

1) Scope ntawm daim ntawv thov Bar code technology yog siv nyob rau hauv ntau zaus, thiab txawv bar code nyeem ntawv yuav tsum tau xaiv. Piv txwv li, txhawm rau tsim kom muaj kev tswj hwm lub tsev khaws khoom bar code, nws yog ib qho tsim nyog yuav tsum nquag suav cov chaw soj nstuam hauv lub tsev rau khoom. Raws li txoj cai, tus nyeem ntawv bar code yuav tsum tau nqa tau thiab tuaj yeem khaws cov ntaub ntawv khaws cia ib ntus es tsis txhob txwv siv rau pem hauv ntej ntawm lub computer. Nws yog qhov zoo dua los xaiv lub portable bar code nyeem ntawv. Tsim nyog. Thaum siv cov khoom siv barcode ntawm cov kab ntau lawm, feem ntau yuav tsum tau teeb tsa tus nyeem ntawv barcode hauv qee qhov chaw ruaj khov ntawm cov kab ntau lawm, thiab cov khoom tsim tau zoo dua rau cov nyeem barcode, xws li hom phom laser, CCD scanner, thiab lwm yam. Hauv kev tswj hwm lub rooj sib tham thiab kev koom tes hauv kev lag luam, ib daim npav-hom lossis slot-type barcode nyeem ntawv tuaj yeem xaiv. Tus neeg uas yuav tsum tau kos npe rau hauv yuav ntxig daim ntawv pov thawj barcode-luam tawm rau hauv qhov chaw nyeem ntawv, thiab tus nyeem ntawv yuav cia li luam theej duab thiab muab lub cim nyeem ua tiav. Qhov no enables real-time automatic check-in. Tau kawg, rau qee lub sijhawm tshwj xeeb, cov ntawv nyeem bar code tshwj xeeb kuj tuaj yeem tsim kho kom tau raws li qhov xav tau.

2) Decoding range Qhov kev txiav txim siab ntau yog lwm qhov tseem ceeb rau kev xaiv tus nyeem ntawv barcode. Tam sim no, kev txiav txim siab ntau yam ntawm cov nyeem barcode uas tsim los ntawm ntau lub tuam txhab yog qhov sib txawv heev. Qee cov neeg nyeem tuaj yeem paub txog ntau lub lis dej num, thiab qee cov neeg nyeem tuaj yeem paub ntau tshaj li kaum lub lis piam. Thaum tsim ib daim ntawv thov bar code system, xaiv qhov sib txuas code system. Nyob rau tib lub sijhawm, thaum teeb tsa tus nyeem ntawv bar code rau lub kaw lus, tus nyeem ntawv yuav tsum muaj lub luag haujlwm kom raug txiav txim siab cov cim ntawm qhov system code. Hauv kev xa khoom, UPC / EAN code feem ntau siv. Yog li ntawd, thaum tsim lub khw tswj kev lag luam, thaum xaiv tus nyeem ntawv, nws yuav tsum tau nyeem UPC / EAN code. Hauv kev tshaj xov xwm thiab kev sib txuas lus, Tuam Tshoj tam sim no siv lub matrix 25 code. Thaum xaiv ib tug nyeem ntawv, lub cim ntawm lub code system yog guaranteed.

3) Interface muaj peev xwm Muaj ntau daim ntawv thov kev siv tshuab barcode, thiab muaj ntau hom computers. Thaum tsim ib daim ntawv thov system, lub hardware system ib puag ncig feem ntau txiav txim siab ua ntej, thiab tom qab ntawd xaiv tus nyeem ntawv barcode haum rau ib puag ncig. Qhov no yuav tsum muaj hom interface ntawm tus nyeem ntawv xaiv kom tau raws li qhov xav tau ntawm ib puag ncig. Muaj ob hom kev sib txuas rau cov neeg nyeem barcode dav dav: A. Kev sib txuas lus Serial. Txoj kev sib txuas lus no feem ntau yog siv thaum siv lub khoos phis tawj me me thiab nruab nrab, lossis thaum lub chaw sau cov ntaub ntawv nyob deb ntawm lub computer. Piv txwv li, hauv kev tswj hwm kev koom tes hauv kev lag luam, lub khoos phis tawj feem ntau tsis muab tso rau ntawm qhov nkag thiab tawm, tab sis hauv chaw ua haujlwm, txhawm rau txhawm rau txhawm rau nkag mus rau qhov xwm txheej ntawm lub sijhawm. B. Keyboard emulation yog ib txoj kev sib txuas uas xa cov ntaub ntawv barcode sau los ntawm tus nyeem ntawv mus rau lub khoos phis tawj los ntawm qhov chaw nres nkoj keyboard ntawm lub khoos phis tawj, thiab kuj yog ib txoj hauv kev siv ntau. Tam sim no, cov txheej txheem keyboard xws li XKAT feem ntau siv hauv IBM / PC thiab nws cov tshuab siv tau. Cov keyboard chaw nres nkoj ntawm lub computer davhlau ya nyob twg kuj muaj ntau yam ntaub ntawv. Yog li ntawd, yog tias koj xaiv cov keyboard emulation, koj yuav tsum xyuam xim rau hom computer nyob rau hauv daim ntawv thov system, thiab xyuam xim rau seb tus nyeem ntawv xaiv yuav phim lub computer.

4) Qhov yuav tsum tau muaj xws li kev nyeem ntawv thawj zaug Tus nqi nyeem thawj zaug yog qhov qhia meej ntawm cov neeg nyeem ntawv barcode, uas cuam tshuam nrog kev luam ntawv zoo ntawm cov cim barcode, kev tsim cov code selectors thiab kev ua haujlwm ntawm photoelectric scanners. Hauv qee qhov chaw thov, tus nyeem ntawv tuav bar code tuaj yeem siv los tswj kev rov ua dua ntawm cov cim bar code los ntawm tib neeg. Lub sijhawm no, cov kev cai rau thawj tus nyeem ntawv yog nruj dhau, thiab nws tsuas yog ntsuas kev ua haujlwm ntawm kev ua haujlwm. Hauv kev tsim khoom, kev lag luam tus kheej thiab lwm yam kev siv, yuav tsum muaj kev nyeem ntawv ntau dua. Lub barcode conforming carrier txav ntawm cov kab ntau lawm tsis siv neeg lossis conveying siv, thiab tsuas muaj ib lub sijhawm los sau cov ntaub ntawv. Yog tias thawj qhov kev nyeem ntawv tsis ncav cuag 100%, qhov tshwm sim ntawm cov ntaub ntawv poob yuav tshwm sim, ua rau muaj qhov tshwm sim loj. Yog li ntawd, nyob rau hauv daim ntawv thov teb no, bar code nyeem ntawv nrog siab thawj tus nyeem ntawv, xws li CCD scanners, yuav tsum tau xaiv.

5) Kev daws teeb meem Thaum xaiv ib lub cuab yeej kom pom tseeb ntawm qhov dav ntawm qhov nqaim tshaj plaws nyeem nyob rau hauv, qhov barcode ntom siv hauv daim ntawv thov xaiv cov khoom siv nyeem ntawv nrog qhov tsim nyog daws teeb meem. Hauv kev siv, yog tias qhov kev daws teeb meem ntawm cov khoom xaiv tau siab dhau lawm, lub kaw lus yuav raug cuam tshuam ntau dua los ntawm smudges thiab de-inking ntawm cov tuav.

6) Scan Properties Scanning cwj pwm tuaj yeem muab faib ua qhov tob ntawm daim teb, scanning dav, scanning ceev, ib zaug paub tus nqi, me ntsis yuam kev npaum li cas, thiab lwm yam. Scanning qhov tob ntawm daim teb yog hais txog qhov sib txawv ntawm qhov deb tshaj plaws uas lub taub hau scan yog. tso cai tawm ntawm qhov chaw barcode thiab qhov chaw ze tshaj plaws uas lub scanner tuaj yeem mus txog qhov chaw barcode nyob rau hauv qhov chaw ntawm kev ua kom ntseeg tau kev nyeem ntawv, uas yog, kev ua haujlwm zoo ntawm barcode scanner. Qee lub rooj barcode scanning cov cuab yeej tsis muab qhov ntsuas qhov tob ntawm qhov ntsuas qhov ntsuas hauv qhov ntsuas kev ntsuas, tab sis muab qhov ntsuas qhov deb, uas yog, qhov luv tshaj plaws uas lub taub hau scan tau tso cai tawm ntawm barcode nto. Scan dav yog hais txog lub cev ntev ntawm cov ntaub ntawv barcode uas tuaj yeem nyeem tau los ntawm cov nqaj scanning ntawm qhov muab scanning nrug. Lub scanning ceev yog hais txog qhov zaus ntawm lub teeb scanning ntawm lub scanning khiav. Tus nqi lees paub ib zaug sawv cev rau qhov piv ntawm tus lej ntawm cov cim nyeem los ntawm ib tus neeg uas tau luam theej thawj zaug rau tag nrho cov cim scanned. Qhov ntsuas ntsuas ntawm ib lub sij hawm lees paub tus nqi tsuas yog siv tau rau txoj kev tuav lub teeb cwj mem scanning paub. Yog tias siv lub teeb liab tau txais rov qab. Qhov kev ua yuam kev me ntsis yog sib npaug ntawm qhov sib piv ntawm tag nrho cov cim tsis tseeb. Rau ib qho bar code system, qhov kev ua yuam kev me ntsis yog qhov teeb meem loj dua li qhov kev lees paub tsawg dua ib zaug.

7) Barcode symbol length Bar tri-symbol length yog ib qho tseem ceeb uas yuav tsum tau xav txog thaum xaiv tus nyeem ntawv. Vim muaj kev cuam tshuam ntawm kev tsim cov thev naus laus zis, qee lub tshuab luam ntawv photoelectric qhia qhov loj tshaj plaws scanning, xws li CCD scanners thiab txav beam scanners. Hauv qee qhov kev siv tshuab, qhov ntev ntawm cov cim barcode raug hloov pauv, xws li tus lej ntsuas ntawm phau ntawv, qhov ntev ntawm cov cim barcode ntawm cov khoom ntim, thiab lwm yam. Hauv cov ntawv thov sib txawv-ntev, qhov cuam tshuam ntawm cov cim barcode ntev yuav tsum. yuav tsum tau sau tseg thaum xaiv tus nyeem ntawv. 8) Tus nqi ntawm tus nyeem ntawv Vim muaj cov haujlwm sib txawv ntawm cov neeg nyeem, cov nqi kuj tsis sib xws. Yog li ntawd, thaum xaiv cov neeg nyeem, xyuam xim rau qhov kev ua tau zoo-nqi piv ntawm cov khoom, thiab yuav tsum ua kom tau raws li qhov yuav tsum tau ua ntawm daim ntawv thov system thiab tus nqi yuav tsum qis dua raws li txoj cai xaiv. 9) Kev ua haujlwm tshwj xeeb Nws yog qhov yuav tsum tau nkag los ntawm ntau qhov nkag thiab txuas ntau tus nyeem ntawv mus rau ib lub computer, kom cov nyeem ntawm txhua qhov nkag tuaj yeem sau cov ntaub ntawv thiab xa mus rau tib lub computer. Yog li ntawd, cov neeg nyeem yuav tsum muaj kev sib txuas ua haujlwm los xyuas kom meej tias lub khoos phis tawj tuaj yeem tau txais cov ntaub ntawv raug thiab ua raws sijhawm. Thaum daim ntawv thov system muaj cov cai tshwj xeeb rau tus nyeem ntawv barcode, xaiv tshwj xeeb yuav tsum tau ua.