{"id":416,"date":"2020-10-13T08:15:42","date_gmt":"2020-10-13T08:15:42","guid":{"rendered":"http:\/\/unictron.com\/piezo\/applications\/proximity-distance-sensors\/"},"modified":"2021-02-08T14:34:29","modified_gmt":"2021-02-08T06:34:29","slug":"proximity-distance-sensors","status":"publish","type":"page","link":"https:\/\/www.unictron.com\/ultrasonic-transducers\/applications\/proximity-distance-sensors\/?lang=zh-hant","title":{"rendered":"\u8fd1\u8ddd\u96e2\u5075\u6e2c Proximity measurement"},"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\/01\/a5.png?resize=380%2C213\" alt=\"\" class=\"wp-image-1581\" width=\"380\" height=\"213\" srcset=\"https:\/\/i0.wp.com\/www.unictron.com\/ultrasonic-transducers\/wp-content\/uploads\/sites\/8\/2021\/01\/a5.png?zoom=2&amp;resize=380%2C213&amp;ssl=1 760w, https:\/\/i0.wp.com\/www.unictron.com\/ultrasonic-transducers\/wp-content\/uploads\/sites\/8\/2021\/01\/a5.png?zoom=3&amp;resize=380%2C213&amp;ssl=1 1140w\" sizes=\"(max-width: 380px) 100vw, 380px\" data-recalc-dims=\"1\" \/><figcaption>d=ToF (time of flight)* C (speed of sound) * 1\/2<\/figcaption><\/figure><\/div>\n\n\n\n<p>\u8fd1\u8ddd\u96e2\u5075\u6e2c(Proximity measurement)\uff0c\u662f\u5229\u7528\u8d85\u97f3\u6ce2\u50b3\u611f\u5668\u767c\u51fa\u4e4b\u8d85\u97f3\u6ce2\u8207\u8d85\u97f3\u6ce2\u62b5\u9054\u5f85\u5075\u6e2c\u7269\u9ad4\u5f8c\u7684\u53cd\u5c04\u6ce2\u5176\u6240\u884c\u8d70\u7684\u98db\u884c\u6642\u9593 (time of flight\uff0cToF)\u4f86\u8a08\u7b97\u50b3\u611f\u5668\u8207\u5f85\u5075\u6e2c\u7269\u4e4b\u8ddd\u96e2\u3002<\/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_1219 {\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_1219 .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_1219 .wpsm_nav-tabs {\r\n    border-bottom: 0px solid #ddd;\r\n}\r\n#tab_container_1219 .wpsm_nav-tabs > li.active > a, #tab_container_1219 .wpsm_nav-tabs > li.active > a:hover, #tab_container_1219 .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_1219 .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_1219 .wpsm_nav-tabs > li > a:focus {\r\noutline: 0px !important;\r\n}\r\n\r\n#tab_container_1219 .wpsm_nav-tabs > li > a:before {\r\n\tdisplay:none !important;\r\n}\r\n#tab_container_1219 .wpsm_nav-tabs > li > a:after {\r\n\tdisplay:none !important ;\r\n}\r\n#tab_container_1219 .wpsm_nav-tabs > li{\r\npadding:0px !important ;\r\nmargin:0px;\r\n}\r\n\r\n#tab_container_1219 .wpsm_nav-tabs > li > a:hover , #tab_container_1219 .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_1219 .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_1219 .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_1219 .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_1219 .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_1219 .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_1219 .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_1219 .wpsm_nav-tabs > li {\r\n\t\t\t\t\r\n\t}\r\n\t#tab_container_1219 .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_1219 .wpsm_nav-tabs > li {\r\n\t\t\t\t\r\n\t}\r\n\t#tab_container_1219 .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_1219 .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_1219\" >\r\n\t \r\n\t\t\t\t\t<ul class=\"wpsm_nav wpsm_nav-tabs\" role=\"tablist\" id=\"myTab_1219\">\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_1219_1\" aria-controls=\"tabs_desc_1219_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>\u61c9\u7528<\/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_1219_2\" aria-controls=\"tabs_desc_1219_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>\u7279\u6027<\/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_1219_3\" aria-controls=\"tabs_desc_1219_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>\u76f8\u95dc\u7522\u54c1<\/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_1219\">\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_1219_1\">\r\n\t\t\t\t\t\t\t\t<ul>\r\n \t<li>\u5012\u8eca\u96f7\u9054<\/li>\r\n \t<li>\u7121\u4eba\u6a5f\u7684\u907f\u969c\u5075\u6e2c<\/li>\r\n \t<li>\u6383\u5730\u6a5f\u5668\u4eba\u7684\u907f\u969c\u5075\u6e2c<\/li>\r\n \t<li>\u6c34\u4e0b\u8072\u7d0d<\/li>\r\n \t<li>\u4f4d\u9ad8\u5075\u6e2c<\/li>\r\n \t<li>\u6d41\u91cf\u8a08<\/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_1219_2\">\r\n\t\t\t\t\t\t\t\t<ul>\r\n \t<li>\u8010\u7528\u3001\u53ef\u9760\u6027\u9ad8<\/li>\r\n \t<li>\u9ad8\u9748\u654f\u5ea6<\/li>\r\n \t<li>\u6297\u5316\u5b78\u8150\u8755<\/li>\r\n \t<li>\u9069\u7528\u7bc4\u570d\u5ee3<\/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_1219_3\">\r\n\t\t\t\t\t\t\t\t<p style=\"padding-left: 40px;\"><a title=\"A050A 50 kHz \u8d85\u97f3\u6ce2\u7a7a\u6c23\u50b3\u611f\u5668\" href=\"http:\/\/www.unictron.com\/ultrasonic-transducers\/a050a-50-khz-air-transducer\/?lang=zh-hant\">A050A 50 kHz \u8d85\u97f3\u6ce2\u7a7a\u6c23\u50b3\u611f\u5668<\/a><\/p>\r\n<p style=\"padding-left: 40px;\"><a title=\"A100A1 100 kHz \u8d85\u97f3\u6ce2\u7a7a\u6c23\u50b3\u611f\u5668\" href=\"http:\/\/www.unictron.com\/ultrasonic-transducers\/a100a-100-khz-air-transducer\/?lang=zh-hant\">A100A1 100 kHz \u8d85\u97f3\u6ce2\u7a7a\u6c23\u50b3\u611f\u5668<\/a><\/p>\r\n<p style=\"padding-left: 40px;\"><a title=\"A100C1 100 kHz \u8d85\u97f3\u6ce2\u7a7a\u6c23\u50b3\u611f\u5668\" href=\"http:\/\/www.unictron.com\/ultrasonic-transducers\/a100c-100-khz-air-transducer\/?lang=zh-hant\">A100C1 100 kHz \u8d85\u97f3\u6ce2\u7a7a\u6c23\u50b3\u611f\u5668<\/a><\/p>\r\n<p style=\"padding-left: 40px;\"><a title=\"A125A1 125 kHz \u8d85\u97f3\u6ce2\u7a7a\u6c23\u50b3\u611f\u5668\" href=\"http:\/\/www.unictron.com\/ultrasonic-transducers\/a125a-125-khz-air-transducer\/?lang=zh-hant\">A125A1 125 kHz \u8d85\u97f3\u6ce2\u7a7a\u6c23\u50b3\u611f\u5668<\/a><\/p>\r\n<p style=\"padding-left: 40px;\"><a title=\"A125E 125 kHz \u8d85\u97f3\u6ce2\u7a7a\u6c23\u50b3\u611f\u5668\" href=\"http:\/\/www.unictron.com\/ultrasonic-transducers\/a125e-125-khz-air-transducer\/?lang=zh-hant\">A125E 125 kHz \u8d85\u97f3\u6ce2\u7a7a\u6c23\u50b3\u611f\u5668<\/a><\/p>\r\n<p style=\"padding-left: 40px;\"><a title=\"A150A 150 kHz \u8d85\u97f3\u6ce2\u7a7a\u6c23\u50b3\u611f\u5668\" href=\"http:\/\/www.unictron.com\/ultrasonic-transducers\/a150a-150-khz-air-transducer\/?lang=zh-hant\">A150A 150 kHz \u8d85\u97f3\u6ce2\u7a7a\u6c23\u50b3\u611f\u5668<\/a><\/p>\r\n\r\n<p style=\"padding-left: 40px;\"><a title=\"A200A1 200 kHz \u8d85\u97f3\u6ce2\u7a7a\u6c23\u50b3\u611f\u5668\" href=\"http:\/\/www.unictron.com\/ultrasonic-transducers\/a200a-200-khz-air-transducer\/?lang=zh-hant\">A200A1 200 kHz \u8d85\u97f3\u6ce2\u7a7a\u6c23\u50b3\u611f\u5668<\/a><\/p>\r\n\r\n<p style=\"padding-left: 40px;\"><a title=\"A240A1 240 kHz \u8d85\u97f3\u6ce2\u7a7a\u6c23\u50b3\u611f\u5668\" href=\"http:\/\/www.unictron.com\/ultrasonic-transducers\/a240a-240-khz-air-transducer\/?lang=zh-hant\">A240A1 240 kHz \u8d85\u97f3\u6ce2\u7a7a\u6c23\u50b3\u611f\u5668<\/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_1219 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_1219 a\"),jQuery(\"#tab-content_1219\"));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 \"+g);a=g;}else{f.find(\"div.active\").addClass(\"animated \"+b);a=b;}}c=f.find(\"div.active\");\r\n\t\t\t\t});\r\n\t\t\t}\r\n\t\t});\r\n\t\t\t<\/script>\r\n\t\t\t\t\r\n\t\t\t\n","protected":false},"excerpt":{"rendered":"<p>\u8fd1\u8ddd\u96e2\u5075\u6e2c(Proximity measurement)\uff0c\u662f\u5229\u7528\u8d85\u97f3\u6ce2\u50b3\u611f\u5668\u767c\u51fa\u4e4b\u8d85\u97f3\u6ce2\u8207\u8d85\u97f3\u6ce2\u62b5\u9054\u5f85\u5075\u6e2c\u7269\u9ad4\u5f8c\u7684\u53cd\u5c04\u6ce2\u5176\u6240\u884c\u8d70\u7684\u98db\u884c\u6642\u9593 (time of flight\uff0cToF)\u4f86\u8a08\u7b97\u50b3\u611f\u5668\u8207\u5f85\u5075\u6e2c\u7269\u4e4b\u8ddd\u96e2\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":368,"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\/416"}],"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\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.unictron.com\/ultrasonic-transducers\/wp-json\/wp\/v2\/comments?post=416"}],"version-history":[{"count":9,"href":"https:\/\/www.unictron.com\/ultrasonic-transducers\/wp-json\/wp\/v2\/pages\/416\/revisions"}],"predecessor-version":[{"id":1674,"href":"https:\/\/www.unictron.com\/ultrasonic-transducers\/wp-json\/wp\/v2\/pages\/416\/revisions\/1674"}],"up":[{"embeddable":true,"href":"https:\/\/www.unictron.com\/ultrasonic-transducers\/wp-json\/wp\/v2\/pages\/368"}],"wp:attachment":[{"href":"https:\/\/www.unictron.com\/ultrasonic-transducers\/wp-json\/wp\/v2\/media?parent=416"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}