{"id":1374,"date":"2010-11-12T15:15:00","date_gmt":"2010-11-12T14:15:00","guid":{"rendered":"http:\/\/blocs.xtec.cat\/lboix\/?p=1374"},"modified":"2010-11-12T15:15:00","modified_gmt":"2010-11-12T14:15:00","slug":"els-codis-qr","status":"publish","type":"post","link":"https:\/\/agora.xtec.cat\/sesernestlluch-cunit\/general\/els-codis-qr\/","title":{"rendered":"ELS CODIS QR."},"content":{"rendered":"<p style=\"text-align: justify\"><a href=\"http:\/\/blocs.xtec.cat\/lboix\/files\/2010\/11\/qrcode_wikipedia.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-1376\" src=\"http:\/\/blocs.xtec.cat\/lboix\/files\/2010\/11\/qrcode_wikipedia.jpg\" alt=\"qrcode_wikipedia\" width=\"180\" height=\"180\" \/><\/a><\/p>\n<p style=\"text-align: justify\">El <strong>codi QR<\/strong> (en <a title=\"Angl\u00e8s\" href=\"http:\/\/blocs.xtec.cat\/wiki\/Angl%C3%A8s\"><span style=\"color: #0645ad\">angl\u00e8s<\/span><\/a> <strong>QR Code<\/strong>) \u00e9s un <a title=\"Codi de barres\" href=\"http:\/\/blocs.xtec.cat\/wiki\/Codi_de_barres\"><span style=\"color: #0645ad\">codi de barres<\/span><\/a> en 2 dimensions (codi matriu) que pot emmagatzemar fins a 7089 car\u00e0cters num\u00e8rics, 4296 car\u00e0cters alfanum\u00e8rics (contr\u00e0riament al codi de barres &#8220;tradicional&#8221; que nom\u00e9s pot emmagatzemar de 10 a 13 car\u00e0cters) o 2953 <a title=\"Octet\" href=\"http:\/\/blocs.xtec.cat\/wiki\/Octet\"><span style=\"color: #0645ad\">octets<\/span><\/a> .<\/p>\n<p style=\"text-align: justify\">Per accedir a la informaci\u00f3 continguda o encriptada en un qr-code, \u00e9s necessari un <strong>dispositiu digital de captura d&#8217;imatges<\/strong> ( Ex: c\u00e0mera de fotos d&#8217;un m\u00f2bil, webcam&#8230;) i un <strong>software espec\u00edfic lector de qr-codes<\/strong>.<\/p>\n<p style=\"text-align: justify\">T\u00e9 l&#8217;avantatge de poder emmagatzemar moltes informacions tot i ser petit i r\u00e0pid d&#8217;escanejar. Aix\u00ed, les sigles \u00ab<em>QR<\/em>\u00bb deriven de \u00ab<em>Quick Response<\/em>\u00bb ja que el contingut pot ser desxifrat r\u00e0pidament.<\/p>\n<p style=\"text-align: justify\">La informaci\u00f3 oculta en el codi pot estar en forma de:<\/p>\n<ul style=\"text-align: justify\">\n<li><strong>TEXT<\/strong><\/li>\n<li><strong>URL<\/strong> (ens permetr\u00e0 visitar una p\u00e0gina web concreta amb un sol clic)<\/li>\n<li><strong>SMS<\/strong> ( podrem enviar un sms predeterminat a un n\u00famero predeterminat amb un sol clic)<\/li>\n<li><strong>VCARD<\/strong> (targes de presentaci\u00f3)<\/li>\n<\/ul>\n<p style=\"text-align: justify\">Les possibilitats i <strong>aplicacions d&#8217;aquests codis en gesti\u00f3 i m\u00e0rqueting<\/strong> (especialment en opt-in m\u00e0rqueting i promocions) s\u00f3n novedoses i interessants ja que mitjan\u00e7ant els codis qr es poden unir dos suports hist\u00f2ricament a\u00efllats: paper i internet o tinta i bits.<\/p>\n<p style=\"text-align: justify\">El <em>codi QR<\/em> ha estat creat per l&#8217;empresa japonesa <a title=\"Denso-Wave (encara no existeix)\" href=\"http:\/\/blocs.xtec.cat\/w\/index.php?title=Denso-Wave&amp;action=edit&amp;redlink=1\"><span style=\"color: #ba0000\">Denso-Wave<\/span><\/a> el 1994. El <em>codi QR<\/em> \u00e9s molt emprat al <a title=\"Jap\u00f3\" href=\"http:\/\/blocs.xtec.cat\/wiki\/Jap%C3%B3\"><span style=\"color: #0645ad\">Jap\u00f3<\/span><\/a>, on actualment \u00e9s el codi de dues dimensions m\u00e9s popular.<\/p>\n<p style=\"text-align: justify\">L&#8217;est\u00e0ndard japon\u00e8s per als codis QR, <a title=\"Japanese Industrial Standard (encara no existeix)\" href=\"http:\/\/blocs.xtec.cat\/w\/index.php?title=Japanese_Industrial_Standard&amp;action=edit&amp;redlink=1\"><span style=\"color: #ba0000\">JIS<\/span><\/a> X 0510, ha estat publicat el 1999, i la norma ISO corresponent, ISO\/IEC 18004, ha estat aprovada el juny de 2000.<\/p>\n<p style=\"text-align: justify\">Un detall important sobre el codi QR, seria que es tracta de <a title=\"Codi obert\" href=\"http:\/\/blocs.xtec.cat\/wiki\/Codi_obert\"><span style=\"color: #0645ad\">codi obert<\/span><\/a> i els seus drets de patent (propietat de Denso Wave) <strong>no s\u00f3n exercits<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><a href=\"http:\/\/blocs.xtec.cat\/lboix\/files\/2010\/11\/qrcode_wikipedia.jpg\"><\/a><br \/>\nEl codi QR (en <a title=\"Angl\u00e8s\" href=\"http:\/\/blocs.xtec.cat\/wiki\/Angl%C3%A8s\">angl\u00e8s<\/a> QR Code) \u00e9s un <a title=\"Codi de barres\" href=\"http:\/\/blocs.xtec.cat\/wiki\/Codi_de_barres\">codi de barres<\/a> en 2 dimensions (codi matriu) que pot emmagatzemar fins a 7089 car\u00e0cters num\u00e8rics, 4296 car\u00e0cters alfanum\u00e8rics (contr\u00e0riament al codi de barres &#8220;tradicional&#8221; que nom\u00e9s pot emmagatzemar&hellip;  <a href=\"https:\/\/agora.xtec.cat\/sesernestlluch-cunit\/general\/els-codis-qr\/\" title=\"Read ELS CODIS QR.\">Llegeix m\u00e9s\u00bb<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1374","post","type-post","status-publish","format-standard","hentry","category-general"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/sesernestlluch-cunit\/wp-json\/wp\/v2\/posts\/1374","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/sesernestlluch-cunit\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agora.xtec.cat\/sesernestlluch-cunit\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/sesernestlluch-cunit\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/sesernestlluch-cunit\/wp-json\/wp\/v2\/comments?post=1374"}],"version-history":[{"count":0,"href":"https:\/\/agora.xtec.cat\/sesernestlluch-cunit\/wp-json\/wp\/v2\/posts\/1374\/revisions"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/sesernestlluch-cunit\/wp-json\/wp\/v2\/media?parent=1374"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agora.xtec.cat\/sesernestlluch-cunit\/wp-json\/wp\/v2\/categories?post=1374"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agora.xtec.cat\/sesernestlluch-cunit\/wp-json\/wp\/v2\/tags?post=1374"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}