Barcode vs QR Code | Barcode vs Quick Response Code
Barcode thiab QR cov lej yog txoj hauv kev khaws cov ntaub ntawv siv cov duab geometrical, uas tuaj yeem nyeem tau siv cov khoom siv kho qhov muag.
Barcode
Barcode yog hais txog ib txoj hauv kev khaws cov ntaub ntawv siv cov duab geometrical. Lub tshuab thev naus laus zis ntawm barcodes tau tsim nyob rau xyoo 1970's hauv Tebchaws Meskas, thiab tau nrov hauv xyoo 1980's rau lub hom phiaj ntawm kev sau cov khoom nrog cov ntaub ntawv khoom uas tuaj yeem nyeem tau yooj yim thiab sau los ntawm kev siv computer.
Cov barcodes pib yog ib qhov barcodes, qhov twg code yog cov kab txaij dub hauv keeb kwm dawb. Cov qauv tshwj xeeb no tau tshwm sim los ntawm Morse code, qhov twg siv ntev thiab luv dashes; Yog li ntawd, nws yog qhov zoo tshaj plaws piav raws li qhov kho qhov muag Morse code. Cov txheej txheem kho qhov muag rau cov cai tau ua raws li cov suab nrov kho qhov muag siv hauv cov yeeb yaj kiab.
Muaj ntau txoj hauv kev uas cov kab no tuaj yeem tsim los sawv cev kom nthuav dav; tus qauv rau cov kev npaj no los sawv cev cov ntsiab lus thiab cov duab yog hu ua symbology. Universal Product Code (UPC/EAN), Interleaved 2 ntawm 5 (I ntawm 5), Codabar, Code 39, thiab Code 128 yog cov piv txwv rau cov cim siv hauv barcodes. Symbology specification cov ntaub ntawv tus qauv uas muaj:
• txhais rau qhov dav ntawm cov tuav thiab qhov chaw.
• Txoj kev los txhais txhua tus cim encodable (txawm yog tus lej nkaus xwb lossis tag nrho ASCII).
• Qhov chaw dawb xav tau rau kev nyeem ntawv tsis muaj teeb meem.
• Pib thiab nres cov cim rau tus lej.
• Kos tus cim kev txhawb nqa rau tus lej
Kev nyeem ntawv barcodes siv lub tshuab luam ntawv barcode, qhov twg lub teeb pom kev los ntawm barcode yog ntsuas thiab txhais hauv lub computer; lub computer hloov cov cai rau hauv tib neeg cov lus siv lub cim.
Barcodes nrov heev hauv cov khw muag khoom loj uas cov ntaub ntawv khoom tuaj yeem khaws tau yooj yim thiab nkag tau sai, uas pab ua kom cov txheej txheem nrawm. Cov kev pabcuam xa ntawv thoob ntiaj teb siv barcodes. Barcodes kuj tseem pheej yig, thiab pab cov lag luam txhim kho kev nrawm thiab ua haujlwm tau zoo. Yog li cov kab xa khoom, couriers thiab ntau lwm cov lag luam siv nws.
Barcode tuaj yeem tsim los siv cov qauv geometrical, xws li squares thiab hexagons, tsis yog kab txaij. Txoj kev no yog lub npe hu ua ob qhov barcodes, qhov siab ntawm cov cim kuj muaj cov ntaub ntawv, tsis yog qhov dav xwb.
QR Code
QR code yog ob qhov barcode system tsim los ntawm Denso yoj (lub koom haum koom tes ntawm Toyota) txhawm rau taug qab tsheb thaum lub sijhawm tsim khoom. QR code stands rau Quick Response Code. Nws tau txais los ntawm ISO thiab tam sim no tau dhau los ua tus qauv thoob ntiaj teb rau kev khaws cov ntaub ntawv khoom.
Lawv muaj lub ntsej muag square vim tias cov ntaub ntawv khaws cia ob qho tib si ntsug thiab kab rov tav. Yog li ntawd, lub peev xwm ntawm QR cov lej yog ntau dua li cov barcodes thiab tuaj yeem khaws ntau txhiab tus lej lej.
Qhov txawv ntawm Barcode thiab QR Code (Quick Response Code) yog dab tsi?
• Ob qho barcode thiab QR code yog txoj hauv kev khaws cov ntaub ntawv siv cov duab geometric kom lawv tuaj yeem rov qab tau los ntawm cov khoom siv kho qhov muag.
• Feem ntau barcode yog hais txog ib qho barcode ib sab thaum QR code yog hom 2-dimensional barcode.
• Barcodes khaws cov ntaub ntawv ntsug nkaus xwb, whereas QR codes khaws cov ntaub ntawv ob kab rov tav thiab ntsug.
• QR code muaj peev xwm khaws cov ntaub ntawv ntau dua li tus barcode.
• Barcodes tuaj yeem khaws cov ntaub ntawv sau lej nkaus xwb, thaum QR cov lej tuaj yeem khaws cov lej lej, lwm yam lus cim, duab, suab, thiab lwm yam ntaub ntawv binary.
• QR tsis muaj kev kho cov ntaub ntawv thaum barcode muaj cov ntaub ntawv kho.
• Barcode nyob ntawm cov ntaub ntawv thaum QR code yog ywj siab ntawm cov ntaub ntawv xav tau.
