{"id":14205,"date":"2021-11-25T12:58:18","date_gmt":"2021-11-25T12:58:18","guid":{"rendered":"https:\/\/pageloot.com\/?p=14205"},"modified":"2026-05-04T18:53:58","modified_gmt":"2026-05-04T18:53:58","slug":"how-barcode-scanner-works","status":"publish","type":"post","link":"https:\/\/pageloot.com\/lt\/barcode\/how-barcode-scanner-works\/","title":{"rendered":"Kaip veikia br\u016bk\u0161ninio kodo skaitytuvas?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Ar kada nors susim\u0105st\u0117te, kaip rankinis \u012frenginys akimirksniu paver\u010dia juod\u0173 linij\u0173 serij\u0105 produkto kaina ir istorija? Rankinis duomen\u0173 \u012fvedimas sukelia da\u017enas klaidas ir didelius v\u0117lavimus j\u016bs\u0173 kasdien\u0117je veikloje. \u0160is vadovas paai\u0161kina, kaip br\u016bk\u0161nini\u0173 kod\u0173 skaitytuvai naudoja \u0161vies\u0105, jutiklius ir programin\u0119 \u012frang\u0105, kad fizinius modelius paverst\u0173 skaitmenine informacija j\u016bs\u0173 verslui.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-science-of-light-and-reflection\">\u0160viesos ir atspind\u017eio mokslas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">I\u0161 esm\u0117s, br\u016bk\u0161nini\u0173 kod\u0173 skaitytuvas yra optinis \u012frenginys, kuris nuskaito ry\u0161\u012f tarp \u0161viesi\u0173 ir tamsi\u0173 element\u0173. Kai nukreipiate skaitytuv\u0105 \u012f br\u016bk\u0161nin\u012f kod\u0105, jis ap\u0161vie\u010dia model\u012f \u0161viesos \u0161altiniu, da\u017eniausiai raudonu \u0161viesos diodu arba lazeriu. Tamsios kodo juostos sugeria \u0161vies\u0105, o baltos erdv\u0117s j\u0105 atspindi atgal \u012f \u012frengin\u012f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0160\u012f atspind\u012f u\u017efiksuoja jutiklis, kuris matuoja \u0161viesos intensyvum\u0105. Galite \u012fsivaizduoti skaitytuv\u0105 kaip didel\u0117s spartos skaitytuv\u0105, kuris \u0161iuos svyravimus mato kaip elektronini\u0173 signal\u0173 sek\u0105. Tada \u012frenginys \u0161iuos signalus paver\u010dia skaitmeniniu formatu, atitinkan\u010diu kodo atstovaujamas raides ar skai\u010dius. Visas \u0161is procesas vyksta per milisekundes, leid\u017eiant greitai u\u017efiksuoti duomenis, kas yra b\u016btina ma\u017emenin\u0117je prekyboje ir atsarg\u0173 valdyme.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-the-three-core-components-of-a-scanner\">Trys pagrindiniai skaitytuvo komponentai<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kiekvienas br\u016bk\u0161nini\u0173 kod\u0173 skaitytuvas veikia remdamasis trimis pagrindiniais komponentais: ap\u0161vietimo sistema, jutikliu ir dekoderiu. Ap\u0161vietimo sistema suteikia \u0161vies\u0105, reikaling\u0105 modeliui matyti, o jutiklis \u2013 da\u017enai fotodiodas arba \u012fkrovos jungties \u012ftaisas (CCD) \u2013 veikia kaip \u201cakis\u201d, kuri fiksuoja atspind\u0117t\u0105 \u0161vies\u0105.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/04\/barcode-scanner-infographic-3ea522-63ded8f5e65c.webp\" alt=\"Br\u016bk\u0161ninio kodo nuskaitymo procesas\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Kai jutiklis surenka \u0161viesos duomenis, dekoderis perima valdym\u0105. Dekoderis yra programin\u0117s \u012frangos algoritmas, kuris interpretuoja model\u012f ir paver\u010dia j\u012f skaitomu tekstu. \u0160i konvertuota informacija tada siun\u010diama \u012f j\u016bs\u0173 kompiuterin\u0119 sistem\u0105, kuri palygina kod\u0105 su duomen\u0173 baze. Pavyzd\u017eiui, jei naudojate <a href=\"https:\/\/pageloot.com\/lt\/barcode-scanner\/\">internetin\u012f br\u016bk\u0161nini\u0173 kod\u0173 skaitytuv\u0105<\/a>, programin\u0117 \u012franga apdoroja \u012fkelt\u0105 ar u\u017efiksuot\u0105 vaizd\u0105, kad nustatyt\u0173 konkre\u010dias produkto detales, saugomas jos skaitmenin\u0117je bibliotekoje.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-comparing-different-barcode-scanning-technologies\">Skirting\u0173 br\u016bk\u0161nini\u0173 kod\u0173 nuskaitymo technologij\u0173 palyginimas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ne visi skaitytuvai veikia vienodai, o j\u016bs\u0173 pasirinkta technologija priklauso nuo j\u016bs\u0173 konkre\u010dios verslo aplinkos. Supratimas <a href=\"https:\/\/pageloot.com\/lt\/how-to\/qr-code-and-barcode-works\/\">kaip veikia QR kodai ir br\u016bk\u0161niniai kodai<\/a> skirtingai, gali pad\u0117ti jums pasirinkti tinkam\u0105 aparatin\u0119 \u012frang\u0105 j\u016bs\u0173 poreikiams.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>  Lazeriniai skaitytuvai naudoja lazerio spindul\u012f ir svyruojan\u010di\u0173 veidrod\u017ei\u0173 serij\u0105, kad nuskaityt\u0173 br\u016bk\u0161nin\u012f kod\u0105 pirmyn ir atgal. Jie yra paplit\u0119 ma\u017emenin\u0117je prekyboje, nes gali nuskaityti kodus i\u0161 keli\u0173 p\u0117d\u0173 atstumo.<\/li>\n\n\n\n<li>  CCD skaitytuvai, taip pat \u017einomi kaip LED skaitytuvai, naudoja \u0161imt\u0173 ma\u017e\u0173 \u0161viesos jutikli\u0173 masyv\u0105. Jie yra labai tiksl\u016bs, ta\u010diau paprastai reikalauja, kad skaitytuvas b\u016bt\u0173 laikomas labai arti br\u016bk\u0161ninio kodo.<\/li>\n\n\n\n<li>  Ra\u0161iklio tipo skaitytuvai susideda i\u0161 \u0161viesos \u0161altinio ir fotodiodo ra\u0161iklio gale. Nor\u0117dami gauti tiksl\u0173 nuskaitym\u0105, turite braukti ra\u0161ikliu per br\u016bk\u0161nin\u012f kod\u0105 vienodu grei\u010diu, tod\u0117l jie yra ma\u017eiau paplit\u0119 didelio t\u016brio aplinkoje.<\/li>\n\n\n\n<li>  Kameros pagrindu veikiantys skaitytuvai naudoja skaitmeninio vaizdo technologij\u0105, kad nufotografuot\u0173 kod\u0105. Jie vis labiau populiar\u0117ja, nes gali nuskaityti br\u016bk\u0161ninius kodus bet kokiu kampu ir yra b\u016btini dvima\u010diams \u0161ablonams nuskaityti.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Supaprastinkite savo atsarg\u0173 valdym\u0105<\/strong> Reikia greitai nuskaityti br\u016bk\u0161ninius ar QR kodus be brangios technin\u0117s \u012frangos? Naudokite m\u016bs\u0173 <a href=\"https:\/\/pageloot.com\/lt\/qr-code-scanner\/\">nemokam\u0105 QR kodo skaitytuv\u0105<\/a> kad bet kuris i\u0161manusis telefonas ar stalinis kompiuteris tapt\u0173 galingu duomen\u0173 fiksavimo \u012frankiu.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-why-quiet-zones-are-essential-for-scannability\">Kod\u0117l \u201etyliosios zonos\u201c yra b\u016btinos nuskaitymui<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Svarbi, bet da\u017enai nepastebima br\u016bk\u0161ninio kodo dalis yra \u201ctylioji zona\u201d. Tai yra ai\u0161ki, nepa\u017eym\u0117ta sritis, kuri supa br\u016bk\u0161nin\u012f kod\u0105 i\u0161 vis\u0173 pusi\u0173. \u0160i tu\u0161\u010dia erdv\u0117 nurodo skaitytuvui, kur kodas prasideda ir baigiasi, neleid\u017eiant jam atsitiktinai nuskaityti teksto ar grafikos i\u0161 aplinkin\u0117s pakuot\u0117s.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"887\" src=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/04\/barcode-quiet-zones-7e5a9a-0457e177176c-e1777920773903.webp\" alt=\"Br\u016bk\u0161ninio kodo rami zona\" class=\"wp-image-53297\" srcset=\"https:\/\/pageloot.com\/wp-content\/uploads\/2026\/04\/barcode-quiet-zones-7e5a9a-0457e177176c-e1777920773903.webp 1024w, https:\/\/pageloot.com\/wp-content\/uploads\/2026\/04\/barcode-quiet-zones-7e5a9a-0457e177176c-e1777920773903-300x260.webp 300w, https:\/\/pageloot.com\/wp-content\/uploads\/2026\/04\/barcode-quiet-zones-7e5a9a-0457e177176c-e1777920773903-768x665.webp 768w, https:\/\/pageloot.com\/wp-content\/uploads\/2026\/04\/barcode-quiet-zones-7e5a9a-0457e177176c-e1777920773903-14x12.webp 14w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Jei prarandate \u0161i\u0105 tu\u0161\u010di\u0105 erdv\u0119 arba jei j\u0105 u\u017estoja lipdukai, skaitytuvas gali neatpa\u017einti \u0161ablono. Dvima\u010diams br\u016bk\u0161niniams kodams geriausia, kad tylioji zona b\u016bt\u0173 tos pa\u010dios spalvos kaip ir kodo fonas. Ai\u0161kios para\u0161t\u0117s u\u017etikrinimas yra vienas lengviausi\u0173 b\u016bd\u0173 pagerinti nuskaitymo s\u0117km\u0117s rodikl\u012f, ypa\u010d kai mokot\u0117s <a href=\"https:\/\/pageloot.com\/lt\/barcode\/how-to-make-barcode\/\">kaip sukurti br\u016bk\u0161nin\u012f kod\u0105<\/a> naujiems produktams.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-scanning-1d-barcodes-vs-2d-qr-codes\">1D br\u016bk\u0161nini\u0173 kod\u0173 ir 2D QR kod\u0173 nuskaitymas<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Jums reikalingo skaitytuvo tipas labai priklauso nuo to, ar naudojate tradicinius 1D br\u016bk\u0161ninius kodus, ar 2D kodus, tokius kaip QR kodai. Standartinis lazerinis skaitytuvas gali nuskaityti tik 1D br\u016bk\u0161ninius kodus, nes jis skenuoja viena horizontalia linija. Jis negali interpretuoti vertikali\u0173 duomen\u0173 \u0161ablon\u0173, esan\u010di\u0173 2D koduose.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nor\u0117dami nuskaityti 2D \u0161ablonus, turite naudoti vaizdo pagrindu veikiant\u012f skaitytuv\u0105. \u0160ie \u012frenginiai u\u017efiksuoja dvimat\u012f vaizd\u0105 ir naudoja sud\u0117ting\u0105 programin\u0119 \u012frang\u0105 informacijai dekoduoti tiek horizontaliai, tiek vertikaliai. Jei j\u016bs\u0173 verslui reikia saugoti daugiau duomen\u0173, pvz., URL ar kontaktin\u0119 informacij\u0105, <a href=\"https:\/\/pageloot.com\/lt\/barcode\/barcode-vs-qr-code\/\">br\u016bk\u0161ninio kodo ir QR kodo palyginimas<\/a> parodys, kad QR kodai si\u016blo daug didesn\u0119 talp\u0105 ir geresn\u012f atsparum\u0105 klaidoms j\u016bs\u0173 rinkodaros ir sekimo poreikiams.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-why-some-barcodes-fail-to-scan\">Kod\u0117l kai kurie br\u016bk\u0161niniai kodai nenuskaitomi<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Net ir su auk\u0161tos kokyb\u0117s \u012franga galite susidurti su br\u016bk\u0161niniais kodais, kurie nenuskaitomi. Tai retai yra technin\u0117s \u012frangos gedimas ir da\u017eniau j\u012f sukelia aplinkos ar dizaino veiksniai. Ma\u017eas kontrastas tarp juosteli\u0173 ir fono yra da\u017ena prie\u017eastis; jei fonas per tamsus, jutiklis negali atskirti juosteli\u0173 nuo tarp\u0173.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kitos da\u017enos problemos apima br\u016bk\u0161ninius kodus, kurie atspausdinti per ma\u017ei skaitytuvo rai\u0161kai, arba kodus, i\u0161kraipytus pakavimo med\u017eiagos. Fiziniai pa\u017eeidimai, tokie kaip \u012fbr\u0117\u017eimai ar ra\u0161alo i\u0161siliejimas spausdinimo metu, taip pat gali sugadinti ra\u0161t\u0105, kurio ie\u0161ko dekoderis. U\u017etikrinant auk\u0161tos kokyb\u0117s spausdinim\u0105 ir tinkam\u0105 ap\u0161vietim\u0105 j\u016bs\u0173 darbo vietoje, bus i\u0161spr\u0119sta dauguma \u0161i\u0173 nuskaitymo problem\u0173.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions\">Da\u017enai u\u017eduodami klausimai<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-e34a863c181b\"><strong class=\"schema-faq-question\">Ar bet kuris br\u016bk\u0161nini\u0173 kod\u0173 skaitytuvas gali nuskaityti QR kod\u0105?<\/strong> <p class=\"schema-faq-answer\">Ne. Standartiniai 1D lazeriniai skaitytuvai gali nuskaityti tik tiesinius br\u016bk\u0161ninius kodus. Nor\u0117dami nuskaityti QR kodus, jums reikia vaizdu pagr\u012fsto skaitytuvo arba i\u0161maniojo telefono kameros, kuri gali apdoroti dvima\u010dius duomenis.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-83b47daaa836\"><strong class=\"schema-faq-question\">Ar br\u016bk\u0161nini\u0173 kod\u0173 skaitytuvams reikia specialios programin\u0117s \u012frangos, kad veikt\u0173?<\/strong> <p class=\"schema-faq-answer\">Dauguma USB br\u016bk\u0161nini\u0173 kod\u0173 skaitytuv\u0173 yra \u201cprijunk ir naudok\u201d (plug-and-play), o tai rei\u0161kia, kad jie veikia kaip klaviat\u016bra ir \u012fveda duomenis \u012f bet kuri\u0105 atidaryt\u0105 program\u0105. Ta\u010diau specializuota atsarg\u0173 valdymo ar pardavimo vietos programin\u0117 \u012franga da\u017enai naudojama \u0161iems numeriams susieti su konkre\u010diais produktais.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-cbff88b28d9f\"><strong class=\"schema-faq-question\">Kod\u0117l mano skaitytuvas sunkiai nuskaito kodus ry\u0161kioje saul\u0117s \u0161viesoje?<\/strong> <p class=\"schema-faq-answer\">Per didelis aplinkos ap\u0161vietimas gali i\u0161plauti atspind\u012f, kur\u012f skaitytuvo jutiklis bando i\u0161matuoti. Jei \u0161viesos yra per daug, jutiklis gali nesugeb\u0117ti atskirti \u0161viesos, atspind\u0117tos nuo br\u016bk\u0161ninio kodo, ir \u0161viesos i\u0161 aplinkos.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>Su\u017einokite, kaip br\u016bk\u0161nini\u0173 kod\u0173 skaitytuvai naudoja \u0161vies\u0105, jutiklius ir dekoderius, kad paverst\u0173 ra\u0161tus skaitmeniniais duomenimis. I\u0161nagrin\u0117kite lazerini\u0173, CCD ir vaizdavimo technologij\u0173 skirtumus.<\/p>","protected":false},"author":17,"featured_media":53205,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[2602],"tags":[],"class_list":["post-14205","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-barcode"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.7 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How Does a Barcode Scanner Work?<\/title>\n<meta name=\"description\" content=\"Learn how barcode scanners use light, sensors, and decoders to convert patterns into digital data. Explore laser, CCD, and imaging technology differences.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/pageloot.com\/lt\/barcode\/how-barcode-scanner-works\/\" \/>\n<meta property=\"og:locale\" content=\"lt_LT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How Does a Barcode Scanner Work?\" \/>\n<meta property=\"og:description\" content=\"Learn how barcode scanners use light, sensors, and decoders to convert patterns into digital data. 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