{"id":167488,"date":"2024-04-27T12:31:04","date_gmt":"2024-04-27T12:31:04","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/rfid%e3%82%bf%e3%82%b0\/"},"modified":"2024-05-11T12:02:50","modified_gmt":"2024-05-11T12:02:50","slug":"rfid%e3%82%bf%e3%82%b0","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ja\/rfid%e3%82%bf%e3%82%b0\/","title":{"rendered":"RFID\u30bf\u30b0"},"content":{"rendered":"<p class=\"sidekick\">RFID\u30bf\u30b0\u306b\u3064\u3044\u3066\u89e3\u8aac\u3059\u308b\u8a18\u4e8b: \u7121\u7dda\u5468\u6ce2\u6570\u8b58\u5225\u6280\u8853\u3092\u4f7f\u7528\u3057\u305f\u81ea\u52d5\u8ffd\u8de1\u30b7\u30b9\u30c6\u30e0\u3067\u3042\u308a\u3001\u69d8\u3005\u306a\u7523\u696d\u3067\u306e\u5fdc\u7528\u4e8b\u4f8b\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/05\/RFID\u30bf\u30b0.png\" alt=\"RFID\u30bf\u30b0\"\/><\/p>\n<h2>RFID\u30bf\u30b0\u3068\u306f?<\/h2>\n<p>RFID\u30bf\u30b0\u306f\u300c\u7121\u7dda\u5468\u6ce2\u6570\u8b58\u5225\u300d\u3092\u610f\u5473\u3059\u308bRadio Frequency Identification\u306e\u7565\u3067\u3001\u7269\u4f53\u306e\u81ea\u52d5\u8a8d\u8b58\u306b\u7528\u3044\u3089\u308c\u308b\u6280\u8853\u3067\u3059\u3002\u5c0f\u3055\u306aRFID\u30bf\u30b0\u306f\u5546\u54c1\u3084\u30da\u30c3\u30c8\u306e\u8eab\u5206\u8a3c\u660e\u3001\u81ea\u52d5\u8eca\u306e\u30ad\u30fc\u30ec\u30b9\u30a8\u30f3\u30c8\u30ea\u30fc\u30b7\u30b9\u30c6\u30e0\u3001\u56f3\u66f8\u9928\u306e\u8cb8\u3057\u51fa\u3057\u7ba1\u7406\u306a\u3069\u3001\u591a\u5c90\u306b\u308f\u305f\u308b\u7528\u9014\u3067\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>RFID\u30b7\u30b9\u30c6\u30e0\u306e\u57fa\u672c\u69cb\u6210\u8981\u7d20<\/h2>\n<p>\u4e00\u822c\u306bRFID\u30b7\u30b9\u30c6\u30e0\u306f\u4ee5\u4e0b\u306e\u4e09\u3064\u306e\u57fa\u672c\u7684\u306a\u8981\u7d20\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>RFID\u30bf\u30b0\uff1a<\/strong>\u30c7\u30fc\u30bf\u3092\u5185\u8535\u3059\u308b\u5c0f\u578b\u306e\u30c1\u30c3\u30d7\u3002\u3053\u306e\u4e2d\u306b\u306f\u88fd\u54c1\u306e\u8b58\u5225\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>\u30ea\u30fc\u30c0\u30fc\uff08\u8aad\u307f\u53d6\u308a\u88c5\u7f6e\uff09\uff1a<\/strong>\u7121\u7dda\u5468\u6ce2\u6570\u306b\u3088\u3063\u3066\u30bf\u30b0\u304b\u3089\u60c5\u5831\u3092\u8aad\u307f\u53d6\u308b\u88c5\u7f6e\u3002<\/li>\n<li><strong>\u30a2\u30f3\u30c6\u30ca\uff1a<\/strong>\u30ea\u30fc\u30c0\u30fc\u3068\u30bf\u30b0\u306e\u9593\u3067\u4fe1\u53f7\u3092\u9001\u53d7\u4fe1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>RFID\u30bf\u30b0\u306e\u7a2e\u985e<\/h2>\n<p>RFID\u30bf\u30b0\u306b\u306f\u4e3b\u306b\u4ee5\u4e0b\u306e\u4e8c\u3064\u306e\u30bf\u30a4\u30d7\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>\u80fd\u52d5\u578b\uff08\u30a2\u30af\u30c6\u30a3\u30d6\uff09\u30bf\u30b0\uff1a<\/strong>\u5185\u8535\u3055\u308c\u305f\u96fb\u6c60\u304b\u3089\u306e\u96fb\u529b\u3092\u4f7f\u7528\u3057\u3066\u30ea\u30fc\u30c0\u30fc\u306b\u4fe1\u53f7\u3092\u9001\u4fe1\u3059\u308b\u30bf\u30b0\u3002\u9577\u8ddd\u96e2\u304b\u3089\u306e\u8aad\u307f\u53d6\u308a\u304c\u53ef\u80fd\u3002<\/li>\n<li><strong>\u53d7\u52d5\u578b\uff08\u30d1\u30c3\u30b7\u30d6\uff09\u30bf\u30b0\uff1a<\/strong>\u30ea\u30fc\u30c0\u30fc\u304b\u3089\u306e\u96fb\u78c1\u6ce2\u3092\u53d7\u3051\u3066\u305d\u306e\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u5229\u7528\u3057\u3066\u52d5\u4f5c\u3059\u308b\u30bf\u30b0\u3002\u6bd4\u8f03\u7684\u77ed\u8ddd\u96e2\u306e\u8aad\u307f\u53d6\u308a\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ol>\n<h2>RFID\u306e\u57fa\u672c\u539f\u7406<\/h2>\n<p>RFID\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u96fb\u78c1\u5834\u3092\u4ecb\u3057\u3066\u60c5\u5831\u304c\u4f1d\u9054\u3055\u308c\u307e\u3059\u3002\u30ea\u30fc\u30c0\u30fc\u306f\u7279\u5b9a\u306e\u5468\u6ce2\u6570\u306e\u96fb\u78c1\u6ce2\u3092\u767a\u4fe1\u3057\u3001\u305d\u306e\u6ce2\u304c\u30bf\u30b0\u306e\u30a2\u30f3\u30c6\u30ca\u306b\u5c4a\u3044\u305f\u3068\u304d\u3001\u53d7\u52d5\u578b\u30bf\u30b0\u306e\u5185\u90e8\u56de\u8def\u304c\u8d77\u52d5\u3057\u3001\u30bf\u30b0\u306b\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b\u60c5\u5831\u3092\u5909\u8abf\u3057\u305f\u96fb\u78c1\u6ce2\u3068\u3057\u3066\u30ea\u30fc\u30c0\u30fc\u306b\u8fd4\u9001\u3057\u307e\u3059\u3002\u3053\u308c\u3092\u96fb\u78c1\u8a98\u5c0e\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n<p>\u30ea\u30fc\u30c0\u30fc\u306f\u53d7\u3051\u53d6\u3063\u305f\u96fb\u78c1\u6ce2\u306e\u5909\u8abf\u304b\u3089\u60c5\u5831\u3092\u89e3\u8aad\u3057\u3001\u3053\u308c\u3092\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30b7\u30b9\u30c6\u30e0\u3067\u51e6\u7406\u3057\u307e\u3059\u3002\u80fd\u52d5\u578b\u30bf\u30b0\u306e\u5834\u5408\u306f\u3001\u30bf\u30b0\u81ea\u8eab\u306e\u96fb\u6e90\u3092\u4f7f\u7528\u3057\u3066\u3088\u308a\u5f37\u529b\u306a\u4fe1\u53f7\u3092\u767a\u4fe1\u3057\u3001\u9577\u8ddd\u96e2\u304b\u3089\u306e\u901a\u4fe1\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u96fb\u6c17\u3068\u78c1\u6c17\u306e\u95a2\u9023\u6027<\/h2>\n<p>RFID\u6280\u8853\u306f\u96fb\u6c17\u3068\u78c1\u6c17\u306e\u76f8\u4e92\u4f5c\u7528\u306e\u7d20\u6674\u3089\u3057\u3044\u4f8b\u3067\u3059\u3002\u96fb\u78c1\u8a98\u5c0e\u306f\u3001\u78c1\u5834\u306e\u4e2d\u3067\u5c0e\u4f53\u3092\u52d5\u304b\u3059\u3068\u96fb\u6d41\u304c\u8a98\u767a\u3055\u308c\u308b\u73fe\u8c61\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u539f\u7406\u306f\u30de\u30a4\u30b1\u30eb\u30fb\u30d5\u30a1\u30e9\u30c7\u30fc\u306b\u3088\u3063\u30661831\u5e74\u306b\u767a\u898b\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>\u6570\u5f0f\u3067\u8868\u3059\u3068\u3001\u96fb\u78c1\u8a98\u5c0e\u306b\u3088\u3063\u3066\u751f\u6210\u3055\u308c\u308b\u96fb\u5727V\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u8868\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n<pre><code>V = -N * (d\u03a6\/dt)<\/code><\/pre>\n<p>\u3053\u3053\u3067\u3001<\/p>\n<ul>\n<li>V\u306f\u8a98\u5c0e\u3055\u308c\u308b\u96fb\u5727<\/li>\n<li>N\u306f\u30b3\u30a4\u30eb\u306e\u5dfb\u6570<\/li>\n<li>\u03a6\u306f\u30b3\u30a4\u30eb\u3092\u8cab\u304f\u78c1\u675f<\/li>\n<li>d\u03a6\/dt\u306f\u78c1\u675f\u306e\u6642\u9593\u5909\u5316\u7387\u3067\u3059\u3002<\/li>\n<\/ul>\n<h2>RFID\u30bf\u30b0\u306e\u5fdc\u7528\u4f8b<\/h2>\n<p>RFID\u30bf\u30b0\u306f\u591a\u69d8\u306a\u5206\u91ce\u3067\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/p>\n<ul>\n<li>\u5c0f\u58f2\u696d\u754c\u3067\u306f\u5728\u5eab\u7ba1\u7406\u306e\u52b9\u7387\u5316<\/li>\n<li>\u822a\u7a7a\u4f1a\u793e\u3067\u306f\u8377\u7269\u306e\u8ffd\u8de1<\/li>\n<li>\u533b\u7642\u696d\u754c\u3067\u306f\u60a3\u8005\u306eID\u7ba1\u7406<\/li>\n<li>\u516c\u5171\u4ea4\u901a\u6a5f\u95a2\u3067\u306e\u30bf\u30c3\u30c1\u30d1\u30b9\u652f\u6255\u3044\u30b7\u30b9\u30c6\u30e0<\/li>\n<\/ul>\n<p>\u307e\u305f\u3001RFID\u6280\u8853\u306f\u3055\u3089\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3084\u30ed\u30b8\u30b9\u30c6\u30a3\u30c3\u30af\u30b9\u3001\u500b\u4eba\u8b58\u5225\u306a\u3069\u3001\u672a\u6765\u306e\u30a4\u30ce\u30d9\u30fc\u30b7\u30e7\u30f3\u3092\u63a8\u9032\u3059\u308b\u9375\u3068\u306a\u308b\u6280\u8853\u3067\u3042\u308b\u3068\u8003\u3048\u3089\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\u3057\u3066RFID\u30bf\u30b0\u306f\u79c1\u305f\u3061\u306e\u65e5\u5e38\u751f\u6d3b\u306b\u5e83\u304f\u7d44\u307f\u8fbc\u307e\u308c\u3066\u304a\u308a\u3001\u96fb\u6c17\u3068\u78c1\u6c17\u306e\u539f\u7406\u3092\u5fdc\u7528\u3057\u3066\u591a\u304f\u306e\u4fbf\u5229\u3055\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u304b\u3089\u3082\u767a\u5c55\u3092\u7d9a\u3051\u308bRFID\u6280\u8853\u306b\u671f\u5f85\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>RFID\u30bf\u30b0\u306b\u3064\u3044\u3066\u89e3\u8aac\u3059\u308b\u8a18\u4e8b: 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