{"id":2570,"date":"2024-05-24T02:40:39","date_gmt":"2024-05-24T02:40:39","guid":{"rendered":"https:\/\/nfc-readers.com\/?p=2570"},"modified":"2024-05-24T02:40:39","modified_gmt":"2024-05-24T02:40:39","slug":"what-is-nfc","status":"publish","type":"post","link":"https:\/\/nfc-readers.com\/cs\/what-is-nfc\/","title":{"rendered":"Co je NFC?"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_73 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"P\u0159epnout obsah\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">P\u0159epnout<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nfc-readers.com\/cs\/what-is-nfc\/#The_Essence_of_NFC\" title=\"Esence NFC\">Esence NFC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nfc-readers.com\/cs\/what-is-nfc\/#Operating_Principle\" title=\"Princip fungov\u00e1n\u00ed\">Princip fungov\u00e1n\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nfc-readers.com\/cs\/what-is-nfc\/#Vast_Array_of_Applications\" title=\"Obrovsk\u00e1 \u0159ada aplikac\u00ed\">Obrovsk\u00e1 \u0159ada aplikac\u00ed<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nfc-readers.com\/cs\/what-is-nfc\/#Fundamentals_of_Inductive_Coupling\" title=\"Z\u00e1klady induk\u010dn\u00ed vazby\">Z\u00e1klady induk\u010dn\u00ed vazby<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nfc-readers.com\/cs\/what-is-nfc\/#Exploring_NFC_Operating_Modes\" title=\"Prozkoum\u00e1n\u00ed provozn\u00edch re\u017eim\u016f NFC\">Prozkoum\u00e1n\u00ed provozn\u00edch re\u017eim\u016f NFC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nfc-readers.com\/cs\/what-is-nfc\/#Conclusion\" title=\"Z\u00e1v\u011br\">Z\u00e1v\u011br<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"The_Essence_of_NFC\"><\/span><strong>Esence NFC<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\">Near Field Communication (<a href=\"https:\/\/nfc-readers.com\/cs\/Wholesale\/rfid-nfc-reader\/\">NFC<\/a>) je pr\u016fkopnick\u00e1 bezdr\u00e1tov\u00e1 komunika\u010dn\u00ed technologie, kter\u00e1 je postavena na principech podobn\u00fdch princip\u016fm standardu Radio Frequency Identification (RFID). Tento technick\u00fd z\u00e1zrak umo\u017e\u0148uje bezprobl\u00e9mov\u00fd p\u0159enos dat na kr\u00e1tk\u00e9 vzd\u00e1lenosti, tradi\u010dn\u011b n\u011bkolik milimetr\u016f, a m\u016f\u017ee se pochlubit skromnou rychlost\u00ed p\u0159enosu dat v dom\u00e9n\u011b n\u011bkolika kilobit\u016f za sekundu. Z\u00e1klad protokol\u016f NFC se op\u00edr\u00e1 o standardy RFID pe\u010dliv\u011b zaznamenan\u00e9 v ISO\/IEC 18092.<\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-2571\" src=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/88899-1-300x169.webp\" alt=\"\" width=\"509\" height=\"287\" srcset=\"https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/88899-1-300x169.webp 300w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/88899-1-1024x577.webp 1024w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/88899-1-768x433.webp 768w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/88899-1-18x10.webp 18w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/88899-1-600x338.webp 600w, https:\/\/nfc-readers.com\/wp-content\/uploads\/2024\/05\/88899-1.webp 1498w\" sizes=\"auto, (max-width: 509px) 100vw, 509px\" \/><\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"Operating_Principle\"><\/span><strong>Princip fungov\u00e1n\u00ed<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\">Opera\u010dn\u00ed mechanika NFC se pono\u0159\u00ed do dynamiky elektromagnetick\u00e9ho pole obklopuj\u00edc\u00edho RF ant\u00e9nu, \u0161iroce rozt\u0159\u00edd\u011bn\u00e9 na bl\u00edzk\u00e9 pole a vzd\u00e1len\u00e9 pole. Bl\u00edzk\u00e9 pole zapouzd\u0159uje oblast v t\u011bsn\u00e9 bl\u00edzkosti ant\u00e9ny (p\u0159esn\u011b a\u017e do vzd\u00e1lenosti vypo\u010dten\u00e9 jako 2D2\/\u03bb), bohatou na elektromagnetick\u00e9 z\u00e1\u0159en\u00ed. Naopak vzd\u00e1len\u00e9 pole pokr\u00fdv\u00e1 oblast za n\u00edm, co\u017e znamen\u00e1 dosah elektromagnetick\u00e9ho z\u00e1\u0159en\u00ed d\u00e1le od ant\u00e9ny.<\/div>\n<p>&nbsp;<\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"Vast_Array_of_Applications\"><\/span><strong>Obrovsk\u00e1 \u0159ada aplikac\u00ed<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\">P\u016fsobnost NFC zasahuje do \u0161irok\u00e9ho spektra bezdotykov\u00fdch aplikac\u00ed, co\u017e v\u00fdznamn\u011b zna\u010d\u00ed jej\u00ed p\u0159\u00edtomnost v odv\u011btv\u00edch, jako je \u0159\u00edzen\u00ed p\u0159\u00edstupu do \u017eeleznic a kancel\u00e1\u0159\u00ed, zdravotnictv\u00ed, spot\u0159ebn\u00ed elektronika, a zejm\u00e9na v oblastech v\u00fdm\u011bny informac\u00ed a platebn\u00edch \u0159e\u0161en\u00ed. Technologie prosazuje dvourolov\u00fd re\u017eim provozu \u2013 vy\u017eaduje inici\u00e1tora, kter\u00fd zah\u00e1j\u00ed komunikaci, a c\u00edl, kter\u00fd bude reagovat nebo oplatit.<\/div>\n<h2><\/h2>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><strong>Komunika\u010dn\u00ed dynamika<\/strong><\/div>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\">Komunikace v r\u00e1mci ekosyst\u00e9mu NFC se rozv\u011btvuje na aktivn\u00ed a pasivn\u00ed re\u017eimy, z nich\u017e ka\u017ed\u00fd je vymezen sv\u00fdm v\u00fdkonem. V aktivn\u00edm komunika\u010dn\u00edm re\u017eimu inici\u00e1tor i c\u00edl nez\u00e1visle generuj\u00ed elektromagnetick\u00e1 pole, kter\u00e1 se st\u0159\u00eddaj\u00ed v komunikaci. Pasivn\u00ed re\u017eim vykresluje jin\u00fd obr\u00e1zek, kde c\u00edlov\u00fd sifon odeb\u00edr\u00e1 energii p\u0159\u00edmo z NFC \u010dte\u010dky, \u010d\u00edm\u017e eliminuje pot\u0159ebu integrovan\u00e9ho zdroje nap\u00e1jen\u00ed. Toto chytr\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed umo\u017e\u0148uje zjednodu\u0161en\u00e9 za\u010dlen\u011bn\u00ed funkc\u00ed NFC do objekt\u016f, jako jsou n\u00e1lepky, co\u017e zna\u010dn\u011b roz\u0161i\u0159uje mo\u017en\u00e9 aplikace bez zat\u00ed\u017een\u00ed baterie.<\/div>\n<p>&nbsp;<\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"Fundamentals_of_Inductive_Coupling\"><\/span><strong>Z\u00e1klady induk\u010dn\u00ed vazby<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\">Z\u00e1kladem provozn\u00edho paradigmatu NFC je princip induk\u010dn\u00ed vazby. Tento jev vyu\u017e\u00edv\u00e1 pr\u016fchod dr\u00e1tu magnetick\u00fdm polem a indukuje elektrick\u00fd proud. Za\u0159\u00edzen\u00ed NFC jsou navr\u017eena s c\u00edvkami, kter\u00e9 po vystaven\u00ed magnetick\u00e9mu poli vyza\u0159ovan\u00e9mu doprovodnou entitou NFC vyu\u017e\u00edvaj\u00ed generovanou energii. Tato d\u016fmysln\u011b vytvo\u0159en\u00e1 energie je pak sm\u011brov\u00e1na k podpo\u0159e p\u0159enosu dat prost\u0159ednictv\u00edm r\u00e1diov\u00fdch vln, p\u0159i\u010dem\u017e inici\u00e1tor i c\u00edl se pono\u0159\u00ed do t\u00e9to sd\u00edlen\u00e9 rezervy energie, aby mohli komunikovat.<\/div>\n<p>&nbsp;<\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"Exploring_NFC_Operating_Modes\"><\/span><strong>Prozkoum\u00e1n\u00ed provozn\u00edch re\u017eim\u016f NFC<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\">Technologie NFC je zb\u011bhl\u00e1 v p\u0159ij\u00edm\u00e1n\u00ed t\u0159\u00ed hlavn\u00edch provozn\u00edch re\u017eim\u016f, z nich\u017e ka\u017ed\u00fd m\u00e1 svou jedine\u010dnou shodu a pou\u017eitelnost:<\/div>\n<p>&nbsp;<\/p>\n<ol class=\"auto-hide-last-sibling-br\">\n<li>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><strong>Re\u017eim \u010dten\u00ed\/zapisov\u00e1n\u00ed<\/strong>: V souladu se specifikacemi ISO\/IEC 14443 a FeliCa tento re\u017eim vybavuje za\u0159\u00edzen\u00ed NFC schopnost\u00ed str\u00e1vit informace z tagu. Tato zna\u010dka, \u010dasto integrovan\u00e1 s chytr\u00fdmi plak\u00e1ty nebo n\u00e1lepkami, zt\u011bles\u0148uje podstatu bezkontaktn\u00edho zpracov\u00e1n\u00ed a \u0161\u00ed\u0159en\u00ed dat.<\/div>\n<\/li>\n<li>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><strong>Re\u017eim Peer-to-Peer<\/strong>: V p\u0159\u00edsn\u00e9m dodr\u017eov\u00e1n\u00ed specifikac\u00ed normy ISO\/IEC 18092 tento sob\u011bsta\u010dn\u00fd re\u017eim pokl\u00e1d\u00e1 z\u00e1klady pro p\u0159\u00edmou komunikaci mezi za\u0159\u00edzen\u00edmi s podporou NFC. Usnad\u0148uje \u0161irok\u00e9 spektrum v\u00fdm\u011bn \u2013 od vzniku bod\u016f p\u0159ipojen\u00ed Bluetooth nebo WLAN a\u017e po v\u00fdm\u011bnu digit\u00e1ln\u00edch sn\u00edmk\u016f nebo elektronick\u00fdch vizitek, co\u017e obohacuje interakci a konektivitu u\u017eivatel\u016f.<\/div>\n<\/li>\n<li>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><strong>Re\u017eim emulace karty<\/strong>: Tento zaj\u00edmav\u00fd re\u017eim umo\u017e\u0148uje za\u0159\u00edzen\u00ed NFC vyd\u00e1vat se za \u010dipovou kartu, tedy \u201eemulaci karty\u201c. T\u00edm, \u017ee umo\u017e\u0148uje \u010dte\u010dce NFC p\u0159istupovat, i kdy\u017e \u010d\u00edst data ulo\u017een\u00e1 na kart\u011b, tento re\u017eim zaji\u0161\u0165uje nep\u0159ebern\u00e9 mno\u017estv\u00ed aplikac\u00ed od vyd\u00e1v\u00e1n\u00ed j\u00edzdenek a n\u00e1kup\u016f a\u017e po mechanismy \u0159\u00edzen\u00ed p\u0159\u00edstupu pro tranzitn\u00ed syst\u00e9my. Tento obousm\u011brn\u00fd komunika\u010dn\u00ed kan\u00e1l d\u00e1le posiluje v\u0161estrannost a u\u017eite\u010dnost technologie NFC a odr\u00e1\u017e\u00ed provozn\u00ed pl\u00e1n konven\u010dn\u00edch \u010dipov\u00fdch karet.<\/div>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h2 class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Z\u00e1v\u011br<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&nbsp;<\/p>\n<div class=\"auto-hide-last-sibling-br paragraph_c9271 paragraph-element\">Symbiotick\u00e1 integrace technologie a utility NFC ohla\u0161uje novou \u00e9ru v oblasti bezdr\u00e1tov\u00e9 komunikace a usnad\u0148uje propojen\u00fd digit\u00e1ln\u00ed ekosyst\u00e9m, kter\u00fd uspokojuje na\u0161i pot\u0159ebu bezprobl\u00e9mov\u00e9, bezpe\u010dn\u00e9 a rychl\u00e9 v\u00fdm\u011bny dat. Prost\u0159ednictv\u00edm sv\u00fdch mnohostrann\u00fdch provozn\u00edch re\u017eim\u016f a aplikac\u00ed NFC nejen zjednodu\u0161uje ka\u017edodenn\u00ed transakce a interakce, ale tak\u00e9 pokl\u00e1d\u00e1 z\u00e1klady pro budoucnost, kde bude p\u0159ipojen\u00ed snadn\u00e9, intuitivn\u00ed a v\u0161udyp\u0159\u00edtomn\u00e9.<\/div>","protected":false},"excerpt":{"rendered":"<p>Essence of NFC Near Field Communication (NFC) je pr\u016fkopnick\u00e1 bezdr\u00e1tov\u00e1 komunika\u010dn\u00ed technologie, kter\u00e1 je postavena na principech podobn\u00fdch princip\u016fm standardu Radio Frequency Identification (RFID). Tento technick\u00fd z\u00e1zrak umo\u017e\u0148uje bezprobl\u00e9mov\u00fd p\u0159enos dat na kr\u00e1tk\u00e9 vzd\u00e1lenosti, tradi\u010dn\u011b n\u011bkolik milimetr\u016f, a m\u016f\u017ee se pochlubit skromn\u00fdmi rychlostmi p\u0159enosu dat v oblasti [\u2026]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2570","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/nfc-readers.com\/cs\/wp-json\/wp\/v2\/posts\/2570","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nfc-readers.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nfc-readers.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nfc-readers.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nfc-readers.com\/cs\/wp-json\/wp\/v2\/comments?post=2570"}],"version-history":[{"count":1,"href":"https:\/\/nfc-readers.com\/cs\/wp-json\/wp\/v2\/posts\/2570\/revisions"}],"predecessor-version":[{"id":2572,"href":"https:\/\/nfc-readers.com\/cs\/wp-json\/wp\/v2\/posts\/2570\/revisions\/2572"}],"wp:attachment":[{"href":"https:\/\/nfc-readers.com\/cs\/wp-json\/wp\/v2\/media?parent=2570"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nfc-readers.com\/cs\/wp-json\/wp\/v2\/categories?post=2570"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nfc-readers.com\/cs\/wp-json\/wp\/v2\/tags?post=2570"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}