{"id":3875,"date":"2026-04-02T10:07:10","date_gmt":"2026-04-02T10:07:10","guid":{"rendered":"https:\/\/www.wundertricks.com\/?p=3875"},"modified":"2026-04-02T10:07:10","modified_gmt":"2026-04-02T10:07:10","slug":"co-znamenaju-cisla-na-ciarovych-kodoch","status":"publish","type":"post","link":"https:\/\/www.wundertricks.com\/?p=3875","title":{"rendered":"\u010co znamenaj\u00fa \u010d\u00edsla na \u010diarov\u00fdch k\u00f3doch?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>\u010ciarov\u00e9 k\u00f3dy pod lupou: \u010co skuto\u010dne prezr\u00e1dzaj\u00fa o va\u0161ich n\u00e1kupoch?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kto z n\u00e1s si niekedy na\u0161iel \u010das na to, aby skuto\u010dne de\u0161ifroval alebo aspo\u0148 pochopil tie sl\u00e1vne \u010diarov\u00e9 k\u00f3dy, ktor\u00e9 skenujeme pri ka\u017edom n\u00e1kupe v supermarkete? Mo\u017eno sa teraz usmievate, ale vedie\u0165, \u010do tieto \u010dierne \u010diary znamenaj\u00fa, sa v\u00e1m m\u00f4\u017ee pred \u010fal\u0161\u00edm n\u00e1kupom n\u00e1ramne hodi\u0165. Tieto \u010d\u00edseln\u00e9 kombin\u00e1cie nie s\u00fa na obaloch n\u00e1hodou. Okrem toho, \u017ee ur\u00fdch\u013euj\u00fa blokovanie tovaru pri pokladni, s\u00fa doslova ba\u0148ou inform\u00e1ci\u00ed o p\u00f4vode a logistike produktov, ktor\u00e9 denne konzumujete. Po\u010fme sa spolo\u010dne pozrie\u0165 na to, ako im lep\u0161ie porozumie\u0165.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Na \u010do vlastne sl\u00fa\u017ei \u010diarov\u00fd k\u00f3d na produktoch?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u010ciarov\u00fd k\u00f3d m\u00e1 zvy\u010dajne tvar \u0161tvorca alebo obd\u013a\u017enika. Ak sa prizriete bli\u017e\u0161ie, v\u0161imnete si kombin\u00e1ciu hrub\u00fdch vertik\u00e1lnych \u010diernych \u010diar, bielych medzier a \u010d\u00edsel. T\u00e1to zostava identifikuje konkr\u00e9tny produkt a poskytuje relevantn\u00e9 \u00fadaje o danej polo\u017eke. Hlavnou v\u00fdhodou je \u00faspora \u010dasu a pe\u0148az\u00ed pre firmy \u2013 skener (ru\u010dn\u00fd alebo integrovan\u00fd v pokladni) pre\u010d\u00edta k\u00f3d okam\u017eite, \u010d\u00edm sa predch\u00e1dza manu\u00e1lnemu zad\u00e1vaniu \u00fadajov pokladn\u00edkom. Po\u010d\u00edta\u010d pripojen\u00fd k skeneru spracuje presn\u00fa kombin\u00e1ciu \u010diar a prirad\u00ed k nej n\u00e1zov a cenu z datab\u00e1zy. Dnes s\u00fa \u010diarov\u00e9 k\u00f3dy v\u0161ade: od potrav\u00edn cez vodi\u010dsk\u00e9 preukazy a\u017e po nemocni\u010dn\u00e9 n\u00e1ramky.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Z\u00e1kladn\u00e9 typy \u010diarov\u00fdch k\u00f3dov: 1D verzus 2D<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V obchodnej praxi sa stret\u00e1vame s dvoma z\u00e1kladn\u00fdmi typmi k\u00f3dov. Line\u00e1rne (1D) k\u00f3dy s\u00fa tie najbe\u017enej\u0161ie, ktor\u00e9 vid\u00edme na v\u00e4\u010d\u0161ine spotrebn\u00e9ho tovaru. Obsahuj\u00fa \u010d\u00edsla, p\u00edsmen\u00e1 a symboly prepojen\u00e9 s datab\u00e1zou, kde je ulo\u017een\u00fd n\u00e1zov, typ, ve\u013ekos\u0165 \u010di farba produktu. Na druhej strane m\u00e1me maticov\u00e9 (2D) k\u00f3dy, zn\u00e1me najm\u00e4 ako QR k\u00f3dy. Tie dok\u00e1\u017eu uchova\u0165 ove\u013ea viac d\u00e1t vr\u00e1tane obr\u00e1zkov, mno\u017estva \u010di webov\u00fdch adries. Ich obrovskou v\u00fdhodou je, \u017ee inform\u00e1cie dok\u00e1\u017eu poskytn\u00fa\u0165 aj bez priameho pripojenia k centr\u00e1lnej datab\u00e1ze, \u010do sa vyu\u017e\u00edva napr\u00edklad v medic\u00edne alebo pri digit\u00e1lnych letenk\u00e1ch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Preh\u013ead hlavn\u00fdch rozdielov:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Vlastnos\u0165<\/strong><\/td><td><strong>Line\u00e1rny k\u00f3d (1D)<\/strong><\/td><td><strong>Maticov\u00fd k\u00f3d (2D \/ QR)<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Vzh\u013ead<\/strong><\/td><td>Vertik\u00e1lne \u010diary a \u010d\u00edsla<\/td><td>\u0160tvorcov\u00e1 mozaika bodov<\/td><\/tr><tr><td><strong>Kapacita d\u00e1t<\/strong><\/td><td>Obmedzen\u00e1 (p\u00e1r znakov)<\/td><td>Vysok\u00e1 (tis\u00edce znakov)<\/td><\/tr><tr><td><strong>Z\u00e1vislos\u0165 na DB<\/strong><\/td><td>Vy\u017eaduje pripojenie k datab\u00e1ze<\/td><td>M\u00f4\u017ee fungova\u0165 samostatne<\/td><\/tr><tr><td><strong>Typick\u00e9 pou\u017eitie<\/strong><\/td><td>Potraviny, knihy, etikety<\/td><td>Weby, letenky, lieky<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Ako interpretova\u0165 a \u010d\u00edta\u0165 \u010d\u00edslice \u010diarov\u00e9ho k\u00f3du?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hoci existuje mnoho syst\u00e9mov, v Eur\u00f3pe je najroz\u0161\u00edrenej\u0161\u00ed syst\u00e9m EAN (European Article Number), dnes zn\u00e1my aj ako International Article Number. Naj\u010dastej\u0161ie pou\u017e\u00edvan\u00fdm variantom je EAN-13, ktor\u00fd, ako u\u017e n\u00e1zov napoved\u00e1, pozost\u00e1va z 13 \u010d\u00edslic. Ka\u017ed\u00e1 \u010das\u0165 tohto k\u00f3du m\u00e1 svoju \u0161pecifick\u00fa funkciu. Odborn\u00edci na kvalitu v potravin\u00e1rstve potvrdzuj\u00fa, \u017ee hoci sa daj\u00fa tieto k\u00f3dy k\u00fapi\u0165 online, firmy si musia d\u00e1va\u0165 pozor na spo\u013eahlivos\u0165 poskytovate\u013ea, aby nedoch\u00e1dzalo k duplicit\u00e1m v logistickom re\u0165azci. Pre spotrebite\u013ea je k\u00f3d d\u00f4le\u017eit\u00fd najm\u00e4 kv\u00f4li transparentnosti predaja.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u0160trukt\u00fara k\u00f3du EAN-13: \u010co znamenaj\u00fa jednotliv\u00e9 bloky?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Po\u010fme si rozobra\u0165 t\u00fdch 13 \u010d\u00edslic, ktor\u00e9 vid\u00edte pod \u010diarami. Prv\u00e9 dve alebo tri \u010d\u00edslice ozna\u010duj\u00fa krajinu, kde bol k\u00f3d pridelen\u00fd (pozor, nemus\u00ed to nutne znamena\u0165 krajinu p\u00f4vodu suroviny, ale krajinu, kde je produkt registrovan\u00fd na trh). Nasleduj\u00facich \u0161tyri a\u017e p\u00e4\u0165 \u010d\u00edslic tvor\u00ed k\u00f3d v\u00fdrobcu, ktor\u00fd identifikuje vlastn\u00edka zna\u010dky. \u010eal\u0161\u00edch p\u00e4\u0165 \u010d\u00edslic zodpoved\u00e1 k\u00f3du samotn\u00e9ho produktu v r\u00e1mci portf\u00f3lia danej firmy. Posledn\u00e1, trin\u00e1sta \u010d\u00edslica, je takzvan\u00e1 kontroln\u00e1 \u010d\u00edslica, ktor\u00e1 sl\u00fa\u017ei na overenie, \u010di bol k\u00f3d skenerom na\u010d\u00edtan\u00fd spr\u00e1vne bez ch\u00fdb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Rozdiely medzi 12-miestnymi a 14-miestnymi k\u00f3dmi<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mo\u017eno ste si v\u0161imli, \u017ee niektor\u00e9 produkty maj\u00fa in\u00fa d\u013a\u017eku k\u00f3du. K\u00fdm syst\u00e9m UPC (\u010dasto ozna\u010dovan\u00fd ako GTIN-12) sa be\u017ene pou\u017e\u00edva v Severnej Amerike a je ur\u010den\u00fd predov\u0161etk\u00fdm pre miesta predaja, d\u00e1tov\u00e9 \u0161trukt\u00fary GTIN-14 sa vyu\u017e\u00edvaj\u00fa sk\u00f4r pri ve\u013ekoobchodnom balen\u00ed a v logistick\u00fdch skladoch. Tieto rozdiely pom\u00e1haj\u00fa automatizovan\u00fdm syst\u00e9mom rozl\u00ed\u0161i\u0165, \u010di skenuj\u00fa jeden kus tovaru na pokladni, alebo cel\u00fa paletu v sklade. Pre be\u017en\u00e9ho z\u00e1kazn\u00edka v slovenskom supermarkete v\u0161ak zost\u00e1va k\u013e\u00fa\u010dov\u00fdm pr\u00e1ve 13-miestny eur\u00f3psky \u0161tandard.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pochopenie \u010diarov\u00fdch k\u00f3dov n\u00e1m umo\u017e\u0148uje lep\u0161ie sa orientova\u0165 v tom, \u010do kupujeme a odkia\u013e tovar poch\u00e1dza. Je to mal\u00fd, ale d\u00f4le\u017eit\u00fd krok k tomu, aby sme sa stali uvedomelej\u0161\u00edmi spotrebite\u013emi. Ke\u010f nabud\u00face vezmete do ruky ob\u013e\u00faben\u00fd produkt, pozrite sa na jeho k\u00f3d \u2013 mo\u017eno v t\u00fdch \u010d\u00edslach objav\u00edte pr\u00edbeh, ktor\u00fd ste predt\u00fdm prehliadali.<\/h2>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Zaujal v\u00e1s tento poh\u013ead do z\u00e1kulisia obchodn\u00fdch re\u0165azcov? Ak chcete dost\u00e1va\u0165 viac u\u017eito\u010dn\u00fdch tipov a zauj\u00edmavost\u00ed zo sveta n\u00e1kupov a kvality potrav\u00edn, prihl\u00e1ste sa na odber na\u0161ej str\u00e1nky, dajte n\u00e1m \u201elike\u201c a zdie\u013eajte tento \u010dl\u00e1nok so svojimi priate\u013emi! Pou\u017e\u00edvate pri n\u00e1kupoch aplik\u00e1cie na skenovanie k\u00f3dov pre overenie zlo\u017eenia? Nap\u00ed\u0161te n\u00e1m svoje sk\u00fasenosti do koment\u00e1rov!<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u010ciarov\u00e9 k\u00f3dy pod lupou: \u010co skuto\u010dne prezr\u00e1dzaj\u00fa o va\u0161ich n\u00e1kupoch? Kto z n\u00e1s si niekedy na\u0161iel \u010das na to, aby skuto\u010dne de\u0161ifroval alebo aspo\u0148 pochopil tie sl\u00e1vne \u010diarov\u00e9 k\u00f3dy, ktor\u00e9 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":3876,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-3875","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-o-nas"],"_links":{"self":[{"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/posts\/3875","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3875"}],"version-history":[{"count":1,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/posts\/3875\/revisions"}],"predecessor-version":[{"id":3877,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/posts\/3875\/revisions\/3877"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=\/wp\/v2\/media\/3876"}],"wp:attachment":[{"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3875"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3875"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wundertricks.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3875"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}