{"id":3670,"date":"2025-11-22T10:01:44","date_gmt":"2025-11-22T02:01:44","guid":{"rendered":"https:\/\/ecmicrophones.com\/?p=3670"},"modified":"2026-01-27T15:37:30","modified_gmt":"2026-01-27T07:37:30","slug":"micro-vibration-sensors-in-modern-audio-and-sensing-devices","status":"publish","type":"post","link":"https:\/\/ecmicrophones.com\/ja\/micro-vibration-sensors-in-modern-audio-and-sensing-devices\/","title":{"rendered":"\u73fe\u4ee3\u306e\u30aa\u30fc\u30c7\u30a3\u30aa\u6a5f\u5668\u304a\u3088\u3073\u30bb\u30f3\u30b7\u30f3\u30b0\u30c7\u30d0\u30a4\u30b9\u306b\u304a\u3051\u308b\u5fae\u632f\u52d5\u30bb\u30f3\u30b5\u30fc"},"content":{"rendered":"
\n
\"ECM-B9745AL70-318A
ECM-B9745AL70-318A\u306f\u3001\u76e3\u8996\u306e\u305f\u3081\u306b\u5fae\u7d30\u306a\u6a39\u6728\u306e\u632f\u52d5\u3092\u691c\u51fa\u3057\u307e\u3059\u3002.<\/figcaption><\/figure>\n<\/div>\n\n\n

\u5fae\u632f\u52d5\u30bb\u30f3\u30b5\u30fc\u3001\u6642\u306b \u9aa8\u4f1d\u5c0e\u30de\u30a4\u30af\u30ed\u30d5\u30a9\u30f3<\/strong> \u307e\u305f\u306f \u632f\u52d5\u30d4\u30c3\u30af\u30a2\u30c3\u30d7\u30ab\u30d7\u30bb\u30eb<\/strong>, \u904e\u9177\u306a\u74b0\u5883\u4e0b\u3067\u306e\u5b89\u5b9a\u3057\u305f\u97f3\u306e\u6355\u6349\u3092\u5fc5\u8981\u3068\u3059\u308b\u88fd\u54c1\u30ab\u30c6\u30b4\u30ea\u30fc\u306b\u304a\u3044\u3066\u3001\u3053\u308c\u3089\u306e\u30bb\u30f3\u30b5\u30fc\u306f\u307e\u3059\u307e\u3059\u91cd\u8981\u6027\u3092\u5897\u3057\u3066\u3044\u308b\u3002\u3053\u308c\u3089\u306e\u30bb\u30f3\u30b5\u30fc\u306f \u56fa\u4f53\u4f1d\u64ad\u6a5f\u68b0\u632f\u52d5<\/strong>, \u5f93\u6765\u306e\u7a7a\u6c17\u4f1d\u5c0e\u578b\u30de\u30a4\u30af\u30ed\u30d5\u30a9\u30f3\u3067\u306f\u78ba\u5b9f\u306b\u30b5\u30dd\u30fc\u30c8\u3067\u304d\u306a\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n

\u632f\u52d5\u30d4\u30c3\u30af\u30a2\u30c3\u30d7\u7528\u9014\u3067\u4e00\u822c\u7684\u306b\u7528\u3044\u3089\u308c\u308b\u30e2\u30c7\u30eb\u306e\u4e00\u3064\u306f\u3001 ECM-B9745AL70-318A\uff089.7 mm\u632f\u52d5\u5f0f\u30de\u30a4\u30af\u30ed\u30db\u30f3\u30ab\u30d7\u30bb\u30eb\uff09<\/a>, \u30b3\u30f3\u30d1\u30af\u30c8\u30b5\u30a4\u30ba\u3068\u9ad8\u611f\u5ea6\u3092\u5b9f\u73fe\u3057\u3001\u8fd1\u63a5\u691c\u77e5\u306b\u6700\u9069\u3067\u3059\u3002.<\/p>\n\n\n\n

\u4e3b\u306a\u6a5f\u80fd\u3068\u4ed5\u69d8<\/h2>\n\n\n\n
\u30d1\u30e9\u30e1\u30fc\u30bf<\/th>\u4fa1\u5024<\/th><\/tr>
\u5bf8\u6cd5<\/td>9.7 \u00d7 4.5mm<\/td><\/tr>
\u6307\u5411\u6027<\/td>\u5168\u65b9\u5411<\/td><\/tr>
\u611f\u5ea6<\/td>\u221270 dB \u00b1 3<\/td><\/tr>
\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9<\/td>2.2 k\u03a9<\/td><\/tr>
S\/N\u6bd4<\/td>40 dB<\/td><\/tr>
\u6700\u5927\u97f3\u5727\u30ec\u30d9\u30eb<\/td>125 dB<\/td><\/tr>
\u52d5\u4f5c\u96fb\u5727<\/td>4.5 Vdc<\/td><\/tr>
\u5468\u6ce2\u6570\u5fdc\u7b54<\/td>100 Hz \u2013 20 kHz
\uff08\u6709\u52b9\u632f\u52d5\u5e2f\u57df \u7d04100 Hz\uff5e7 kHz\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n
\n
\"ECM-B9745AL70-318A\u30de\u30a4\u30af\u30ed\u632f\u52d5\u30bb\u30f3\u30b5\u30fc\u306e\u5468\u6ce2\u6570\u5fdc\u7b54\u66f2\u7dda\uff08\u6709\u52b9\u7bc4\u56f2\uff1a100
ECM-B9745AL70-318A\u30de\u30a4\u30af\u30ed\u632f\u52d5\u30bb\u30f3\u30b5\u30fc\u306e\u5468\u6ce2\u6570\u5fdc\u7b54\u66f2\u7dda\u3002\u6709\u52b9\u306a\u632f\u52d5\u611f\u5fdc\u7bc4\u56f2\u3092\u793a\u3059\u3002.<\/figcaption><\/figure>\n<\/div>\n\n\n

\u30de\u30a4\u30af\u30ed\u632f\u52d5\u30bb\u30f3\u30b5\u30fc\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u5834\u6240<\/h2>\n\n\n\n

\u30de\u30a4\u30af\u30ed\u632f\u52d5\u30bb\u30f3\u30b5\u30fc\u306f\u7a7a\u6c17\u4f1d\u64ad\u97f3\u6ce2\u3067\u306f\u306a\u304f\u6a5f\u68b0\u7684\u8868\u9762\u632f\u52d5\u306b\u53cd\u5fdc\u3059\u308b\u305f\u3081\u3001\u5f93\u6765\u306e\u30de\u30a4\u30af\u30ed\u30db\u30f3\u304c\u82e6\u6226\u3059\u308b\u74b0\u5883\u4e0b\u3067\u3082\u9ad8\u3044\u5b89\u5b9a\u6027\u3092\u767a\u63ee\u3059\u308b\u3002.<\/p>\n\n\n\n

1. \u5589\u30de\u30a4\u30af\u3068\u9a12\u97f3\u4e0b\u3067\u306e\u97f3\u58f0\u62fe\u3044\u53d6\u308a<\/h3>\n\n\n\n

\u5fae\u632f\u52d5\u30bb\u30f3\u30b5\u30fc\u306f\u3001\u4ee5\u4e0b\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3059\u5589\u30de\u30a4\u30af\u30b7\u30b9\u30c6\u30e0\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\uff1a<\/p>\n\n\n\n

    \n
  • \u9ad8\u74b0\u5883\u9a12\u97f3\u4e0b\u306b\u304a\u3051\u308b\u5b89\u5b9a\u3057\u305f\u97f3\u58f0\u30ad\u30e3\u30d7\u30c1\u30e3<\/li>\n\n\n\n
  • \u7a7a\u4e2d\u97f3\u304c\u5f31\u3044\u5834\u5408\u3084\u906e\u65ad\u3055\u308c\u305f\u5834\u5408\u306e\u97f3\u58f0\u62fe\u3044\u53d6\u308a<\/li>\n\n\n\n
  • \u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3084\u9759\u304b\u306a\u4f1a\u8a71\u304c\u5fc5\u8981\u306a\u5834\u9762<\/li>\n<\/ul>\n\n\n\n

    2. \u30c7\u30b8\u30bf\u30eb\u8074\u8a3a\u5668\u3068\u533b\u7642\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/h3>\n\n\n\n

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      \n
    • \u5fc3\u80ba\u632f\u52d5\u30b7\u30b0\u30cd\u30c1\u30e3<\/li>\n\n\n\n
    • \u751f\u4f53\u8a8d\u8a3c\u7528\u5fae\u5c0f\u52d5\u4f5c\u30d1\u30bf\u30fc\u30f3<\/li>\n\n\n\n
    • \u63a5\u89e6\u5f0f\u8a3a\u65ad\u97f3\u97ff\u5b66<\/li>\n<\/ul>\n\n\n\n

      3. \u697d\u5668\u7528\u63a5\u89e6\u30d4\u30c3\u30af\u30a2\u30c3\u30d7<\/h3>\n\n\n\n

      \u30de\u30a4\u30af\u30ed\u632f\u52d5\u30ab\u30d7\u30bb\u30eb\u306f\u4ee5\u4e0b\u306b\u3082\u4f7f\u7528\u3055\u308c\u308b\uff1a<\/p>\n\n\n\n

        \n
      • \u30ab\u30db\u30f3\u3068\u6728\u88fd\u6253\u697d\u5668\u7528\u30d4\u30c3\u30af\u30a2\u30c3\u30d7<\/li>\n\n\n\n
      • \u30a2\u30b3\u30fc\u30b9\u30c6\u30a3\u30c3\u30af\u697d\u5668\u306e\u5897\u5e45<\/li>\n\n\n\n
      • \u30ce\u30a4\u30ba\u306e\u306a\u3044\u30b9\u30c6\u30fc\u30b8\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0<\/li>\n<\/ul>\n\n\n\n

        \u5e83\u3044\u6709\u52b9\u5e2f\u57df\u5e45\u306b\u3088\u308a\u3001\u74b0\u5883\u5e72\u6e09\u3092\u53d7\u3051\u305a\u306b\u81ea\u7136\u306a\u632f\u52d5\u30d9\u30fc\u30b9\u306e\u30c8\u30fc\u30f3\u30ad\u30e3\u30d7\u30c1\u30e3\u30fc\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n

        4. \u6797\u696d\u3001\u8fb2\u696d\u3001\u304a\u3088\u3073\u7814\u7a76\u30e2\u30cb\u30bf\u30ea\u30f3\u30b0<\/h3>\n\n\n\n

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          \n
        • \u6a39\u5e79\u5185\u90e8\u306e\u6d3b\u52d5<\/li>\n\n\n\n
        • \u521d\u671f\u306e\u5bb3\u866b\u88ab\u5bb3\u306e\u5146\u5019<\/li>\n\n\n\n
        • \u6728\u6750\u307e\u305f\u306f\u6709\u6a5f\u6750\u6599\u306b\u304a\u3051\u308b\u69cb\u9020\u5909\u5316<\/li>\n<\/ul>\n\n\n\n

          \u7814\u7a76\u8005\u3084\u74b0\u5883\u4fdd\u8b77\u6a5f\u95a2\u306f\u3001\u3053\u308c\u3089\u306e\u30bb\u30f3\u30b5\u30fc\u3092\u975e\u7834\u58ca\u691c\u67fb\u30c4\u30fc\u30eb\u3068\u3057\u3066\u4f7f\u7528\u3057\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n

          OEM\u304a\u3088\u3073ODM\u958b\u767a\u306b\u9069\u3057\u3066\u3044\u307e\u3059<\/h2>\n\n\n\n

          \u4e2d\u5c0f\u898f\u6a21\u306e\u88fd\u9020\u696d\u8005\u306b\u3068\u3063\u3066\u3001\u5fae\u632f\u52d5\u30bb\u30f3\u30b5\u30fc\u306f\u4ee5\u4e0b\u306e\u5229\u70b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\uff1a<\/p>\n\n\n\n

            \n
          • \u30a2\u30ca\u30ed\u30b0\u56de\u8def\u3068\u306e\u5bb9\u6613\u306a\u7d71\u5408<\/li>\n\n\n\n
          • \u8cbb\u7528\u5bfe\u52b9\u679c\u306e\u9ad8\u3044\u751f\u7523\u62e1\u5927<\/li>\n\n\n\n
          • \u30ab\u30b9\u30bf\u30e0ASIC\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044\u5b89\u5b9a\u3057\u305f\u8abf\u9054<\/li>\n\n\n\n
          • \u8907\u6570\u30ab\u30c6\u30b4\u30ea\u3078\u306e\u9069\u5fdc\u6027<\/li>\n<\/ul>\n\n\n\n

            \u3053\u308c\u306b\u3088\u308a\u3001\u901a\u4fe1\u88fd\u54c1\u3001\u533b\u7642\u7cfb\u30b9\u30bf\u30fc\u30c8\u30a2\u30c3\u30d7\u3001\u697d\u5668\u30d6\u30e9\u30f3\u30c9\u3001\u30bb\u30f3\u30b7\u30f3\u30b0\u6280\u8853\u958b\u767a\u8005\u306b\u3068\u3063\u3066\u5b9f\u7528\u7684\u306a\u9078\u629e\u80a2\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n

            \u5fae\u632f\u52d5\u691c\u77e5\u6280\u8853\u306f\u3001\u901a\u4fe1\u3001\u533b\u7642\u8a3a\u65ad\u3001\u97f3\u97ff\u6a5f\u5668\u3001\u74b0\u5883\u76e3\u8996\u306a\u3069\u5e45\u5e83\u3044\u5206\u91ce\u3067\u307e\u3059\u307e\u3059\u91cd\u8981\u6027\u3092\u5897\u3057\u3066\u3044\u307e\u3059\u3002ECM-B9745AL70-318A\u306f\u3001\u5bc6\u7740\u578b\u30d4\u30c3\u30af\u30a2\u30c3\u30d7\u7528\u9014\u5411\u3051\u306b\u30b3\u30f3\u30d1\u30af\u30c8\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u3001\u632f\u52d5\u691c\u77e5\u304c\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3059\u5c06\u6765\u306eOEM\/ODM\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u304a\u3044\u3066\u6709\u529b\u306a\u5019\u88dc\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

            Micro-vibration sensors, sometimes referred to as bone-conduction microphones or vibration pickup capsules, are becoming increasingly relevant in product categories that require stable sound capture in challenging conditions. These sensors detect solid-borne mechanical vibration, enabling applications that conventional air-conducted microphones cannot reliably support. One commonly used model in vibration pickup applications is the ECM-B9745AL70-318A (9.7 mm vibration microphone capsule), which provides compact size and high sensitivity for close-contact sensing. Key Features and Specifications Parameter Value Dimensions 9.7 \u00d7 4.5 mm Directivity Omnidirectional Sensitivity \u221270 dB \u00b1 3 Impedance 2.2 k\u03a9 S\/N Ratio 40 dB Max SPL 125 dB Operating Voltage 4.5 Vdc Frequency Response 100 Hz \u2013 20 kHz(effective vibration band approx. 100 Hz \u2013 7 […]<\/p>\n","protected":false},"author":1,"featured_media":3671,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[400],"tags":[533,518,521,532],"class_list":["post-3670","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-guides","tag-contact-microphone","tag-high-spl","tag-o9-7mm","tag-vibration-pickup"],"_links":{"self":[{"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/posts\/3670","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/comments?post=3670"}],"version-history":[{"count":0,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/posts\/3670\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/media\/3671"}],"wp:attachment":[{"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/media?parent=3670"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/categories?post=3670"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ecmicrophones.com\/ja\/wp-json\/wp\/v2\/tags?post=3670"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}