{"id":1243,"date":"2021-01-25T11:27:17","date_gmt":"2021-01-25T03:27:17","guid":{"rendered":"http:\/\/www.unictron.com\/ultrasonic-transducers\/applications\/double-feed-detection\/"},"modified":"2021-02-17T14:12:23","modified_gmt":"2021-02-17T06:12:23","slug":"double-feed-detection","status":"publish","type":"page","link":"https:\/\/www.unictron.com\/ultrasonic-transducers\/applications\/double-feed-detection\/","title":{"rendered":"Double feed detection"},"content":{"rendered":"\n<div class=\"wp-block-image\"><figure class=\"alignright size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/i0.wp.com\/www.unictron.com\/ultrasonic-transducers\/wp-content\/uploads\/sites\/8\/2021\/02\/DoubleFeedDetection_Principle_en_784x512.png.png?resize=500%2C351\" alt=\"\" class=\"wp-image-1681\" width=\"500\" height=\"351\" srcset=\"https:\/\/i0.wp.com\/www.unictron.com\/ultrasonic-transducers\/wp-content\/uploads\/sites\/8\/2021\/02\/DoubleFeedDetection_Principle_en_784x512.png.png?zoom=2&amp;resize=500%2C351&amp;ssl=1 1000w, https:\/\/i0.wp.com\/www.unictron.com\/ultrasonic-transducers\/wp-content\/uploads\/sites\/8\/2021\/02\/DoubleFeedDetection_Principle_en_784x512.png.png?zoom=3&amp;resize=500%2C351&amp;ssl=1 1500w\" sizes=\"(max-width: 500px) 100vw, 500px\" data-recalc-dims=\"1\" \/><\/figure><\/div>\n\n\n\n<p>Single feed and double feed (multiple feed) can be distinguished easily and precisely by means of the ultrasonic waves, which transmitted by an ultrasonic air transducer traveling through the sheet and received by another air transducer. Much ultrasound energy can travel through one sheet than that of multiple sheets, so that we can judge multiple feed happened according to the weaker ultrasound, regardless of compositions and colors of the sheet material, such as paper, glass sheets, transparent plastic sheets, metal sheets.<\/p>\n\n\n\n<p><\/p>\n\n\n\t\t\t\t\t\t<style>\r\n\t\t\t\t\r\n\t\t\t\t\t#tab_container_1246 {\r\n\toverflow:hidden;\r\n\tdisplay:block;\r\n\twidth:100%;\r\n\tborder:0px solid #ddd;\r\n\tmargin-bottom:30px;\r\n\t}\r\n\r\n#tab_container_1246 .tab-content{\r\n\tpadding:20px;\r\n\tborder: 1px solid 000000 !important;\r\n\tmargin-top: 0px;\r\n\tbackground-color: !important;\r\n\tcolor:  !important;\r\n\tfont-size:16px !important;\r\n\tfont-family: Arial !important;\r\n\t\r\n\t\tborder: 1px solid 000000 !important;\r\n\t}\r\n#tab_container_1246 .wpsm_nav-tabs {\r\n    border-bottom: 0px solid #ddd;\r\n}\r\n#tab_container_1246 .wpsm_nav-tabs > li.active > a, #tab_container_1246 .wpsm_nav-tabs > li.active > a:hover, #tab_container_1246 .wpsm_nav-tabs > li.active > a:focus {\r\n\tcolor:  !important;\r\n\tcursor: default;\r\n\tbackground-color:  !important;\r\n\tborder: 1px solid 000000 !important;\r\n}\r\n\r\n#tab_container_1246 .wpsm_nav-tabs > li > a {\r\n    margin-right: 0px !important; \r\n    line-height: 1.42857143 !important;\r\n    border: 1px solid 000000 !important;\r\n    border-radius: 0px 0px 0 0 !important; \r\n\tbackground-color:  !important;\r\n\tcolor:  !important;\r\n\tpadding: 15px 18px 15px 18px !important;\r\n\ttext-decoration: none !important;\r\n\tfont-size: 16px !important;\r\n\ttext-align:center !important;\r\n\tfont-family: Arial !important;\r\n}\r\n#tab_container_1246 .wpsm_nav-tabs > li > a:focus {\r\noutline: 0px !important;\r\n}\r\n\r\n#tab_container_1246 .wpsm_nav-tabs > li > a:before {\r\n\tdisplay:none !important;\r\n}\r\n#tab_container_1246 .wpsm_nav-tabs > li > a:after {\r\n\tdisplay:none !important ;\r\n}\r\n#tab_container_1246 .wpsm_nav-tabs > li{\r\npadding:0px !important ;\r\nmargin:0px;\r\n}\r\n\r\n#tab_container_1246 .wpsm_nav-tabs > li > a:hover , #tab_container_1246 .wpsm_nav-tabs > li > a:focus {\r\n    color:  !important;\r\n    background-color:  !important;\r\n\tborder: 1px solid 000000 !important;\r\n\t\r\n}\r\n#tab_container_1246 .wpsm_nav-tabs > li > a .fa{\r\n\r\nmargin-right:5px !important;\r\n\r\nmargin-left:5px !important;\r\n\r\n\r\n}\r\n\r\n\t\t#tab_container_1246 .wpsm_nav-tabs a{\r\n\t\t\tbackground-image: none;\r\n\t\t\tbackground-position: 0 0;\r\n\t\t\tbackground-repeat: repeat-x;\r\n\t\t}\r\n\t\t\t\r\n\r\n\r\n#tab_container_1246 .wpsm_nav-tabs > li {\r\n    float: left;\r\n    margin-bottom: -1px !important;\r\n\tmargin-right:0px !important; \r\n}\r\n\r\n\r\n#tab_container_1246 .tab-content{\r\noverflow:hidden !important;\r\n}\r\n\r\n\r\n@media (min-width: 769px) {\r\n\r\n\t#tab_container_1246 .wpsm_nav-tabs > li{\r\n\t\tfloat:left !important ;\r\n\t\t\t\tmargin-right:-1px !important;\r\n\t\t\t\t\t}\r\n\t#tab_container_1246 .wpsm_nav-tabs{\r\n\t\tfloat:none !important;\r\n\t\tmargin:0px !important;\r\n\t}\r\n\r\n\t#tab_container_1246 .wpsm_nav-tabs > li {\r\n\t\t\t\t\r\n\t}\r\n\t#tab_container_1246 .wpsm_nav{\r\n\t\t\t}\r\n\r\n}\r\n\r\n\r\n\r\n@media (max-width: 768px) {\r\n\t#tab_container_1246 .wpsm_nav-tabs > li {\r\n\t\t\t\t\r\n\t}\r\n\t#tab_container_1246 .wpsm_nav{\r\n\t\t\t}\r\n}\r\n\r\n\r\n\t.wpsm_nav-tabs li:before{\r\n\t\tdisplay:none !important;\r\n\t}\r\n\r\n\t@media (max-width: 768px) {\r\n\t\t\t\t\r\n\t\t\t\t.wpsm_nav-tabs{\r\n\t\t\tmargin-left:0px !important;\r\n\t\t\tmargin-right:0px !important; \r\n\t\t\t\r\n\t\t}\r\n\t\t\t\t#tab_container_1246 .wpsm_nav-tabs > li{\r\n\t\t\tfloat:none !important;\r\n\t\t}\r\n\t\t\t\r\n\t}\r\n\t\t\t\t<\/style>\r\n\t\t\t\t<div id=\"tab_container_1246\" >\r\n\t \r\n\t\t\t\t\t<ul class=\"wpsm_nav wpsm_nav-tabs\" role=\"tablist\" id=\"myTab_1246\">\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t<li role=\"presentation\"  class=\"active\"  >\r\n\t\t\t\t\t\t\t\t<a href=\"#tabs_desc_1246_1\" aria-controls=\"tabs_desc_1246_1\" role=\"tab\" data-toggle=\"tab\">\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t<span>Applications<\/span>\r\n\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t<\/a>\r\n\t\t\t\t\t\t\t<\/li>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t<li role=\"presentation\"  >\r\n\t\t\t\t\t\t\t\t<a href=\"#tabs_desc_1246_2\" aria-controls=\"tabs_desc_1246_2\" role=\"tab\" data-toggle=\"tab\">\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t<span>Characteristics<\/span>\r\n\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t<\/a>\r\n\t\t\t\t\t\t\t<\/li>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t<li role=\"presentation\"  >\r\n\t\t\t\t\t\t\t\t<a href=\"#tabs_desc_1246_3\" aria-controls=\"tabs_desc_1246_3\" role=\"tab\" data-toggle=\"tab\">\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t<span>Related products<\/span>\r\n\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t\t\r\n\t\t\t\t\t\t\t\t<\/a>\r\n\t\t\t\t\t\t\t<\/li>\r\n\t\t\t\t\t\t\t\t\t\t\t <\/ul>\r\n\r\n\t\t\t\t\t  <!-- Tab panes -->\r\n\t\t\t\t\t  <div class=\"tab-content\" id=\"tab-content_1246\">\r\n\t\t\t\t\t\t\t\t\t\t\t\t <div role=\"tabpanel\" class=\"tab-pane  in active \" id=\"tabs_desc_1246_1\">\r\n\t\t\t\t\t\t\t\t<ul>\r\n \t<li>Printer<\/li>\r\n \t<li>Multi-function printer(MFP)<\/li>\r\n \t<li>Scanner<\/li>\r\n \t<li>Splicing detection<\/li>\r\n \t<li>Banknote fitness<\/li>\r\n<\/ul>\t\t\t\t\t\t <\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t <div role=\"tabpanel\" class=\"tab-pane \" id=\"tabs_desc_1246_2\">\r\n\t\t\t\t\t\t\t\t<ul>\r\n \t<li>High performance<\/li>\r\n \t<li>High reliability<\/li>\r\n \t<li>Suitable for most of materials<\/li>\r\n<\/ul>\t\t\t\t\t\t <\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t <div role=\"tabpanel\" class=\"tab-pane \" id=\"tabs_desc_1246_3\">\r\n\t\t\t\t\t\t\t\t<p style=\"padding-left: 40px;\"><a href=\"http:\/\/www.unictron.com\/ultrasonic-transducers\/a300a-300-khz-air-transducer\/\">A300A 300 kHz air transducer<\/a><\/p>\t\t\t\t\t\t <\/div>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t\t <\/div>\r\n\t\t\t\t\t \r\n\t\t\t\t <\/div>\r\n <script>\r\n\t\tjQuery(function () {\r\n\t\t\tjQuery('#myTab_1246 a:first').tab('show')\r\n\t\t});\r\n\t\t\r\n\t\t\t\tjQuery(function(){\r\n\t\t\tvar b=\"fadeIn\";\r\n\t\t\tvar c;\r\n\t\t\tvar a;\r\n\t\t\td(jQuery(\"#myTab_1246 a\"),jQuery(\"#tab-content_1246\"));function d(e,f,g){\r\n\t\t\t\te.click(function(i){\r\n\t\t\t\t\ti.preventDefault();\r\n\t\t\t\t\tjQuery(this).tab(\"show\");\r\n\t\t\t\t\tvar h=jQuery(this).data(\"easein\");\r\n\t\t\t\t\tif(c){c.removeClass(a);}\r\n\t\t\t\t\tif(h){f.find(\"div.active\").addClass(\"animated \"+h);a=h;}\r\n\t\t\t\t\telse{if(g){f.find(\"div.active\").addClass(\"animated 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sheet&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":103,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"spay_email":""},"_links":{"self":[{"href":"https:\/\/www.unictron.com\/ultrasonic-transducers\/wp-json\/wp\/v2\/pages\/1243"}],"collection":[{"href":"https:\/\/www.unictron.com\/ultrasonic-transducers\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.unictron.com\/ultrasonic-transducers\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.unictron.com\/ultrasonic-transducers\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.unictron.com\/ultrasonic-transducers\/wp-json\/wp\/v2\/comments?post=1243"}],"version-history":[{"count":3,"href":"https:\/\/www.unictron.com\/ultrasonic-transducers\/wp-json\/wp\/v2\/pages\/1243\/revisions"}],"predecessor-version":[{"id":1787,"href":"https:\/\/www.unictron.com\/ultrasonic-transducers\/wp-json\/wp\/v2\/pages\/1243\/revisions\/1787"}],"up":[{"embeddable":true,"href":"https:\/\/www.unictron.com\/ultrasonic-transducers\/wp-json\/wp\/v2\/pages\/103"}],"wp:attachment":[{"href":"https:\/\/www.unictron.com\/ultrasonic-transducers\/wp-json\/wp\/v2\/media?parent=1243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}