送交者: tinaliang 于 2009-01-07, 16:27:40:

回答: 为什么手机震动不利用共振原理实现呢？ they use a motor 由 meiyou 于 2009-01-07, 16:25:10:

• cell phone body/shell (无内容) - meiyou (0 bytes) 2009-01-07, 16:28:28 (291504)
  • may not be a good idea if you want you phone structurally lasts long. (无内容) - tinaliang (0 bytes) 2009-01-07, 16:30:39 (291507)
    • vibration does that regardless - if works, it would have saved a part (无内容) - meiyou (0 bytes) 2009-01-07, 16:31:40 (291508)
      • you think the speaker can generate that low freq? (无内容) - tinaliang (0 bytes) 2009-01-07, 16:33:39 (291510)
        • i do - knock on the shell you can hear (无内容) - meiyou (0 bytes) 2009-01-07, 16:42:32 (291513)
          • that's not resonant frequency, besides, you don't want sound to be heard. (无内容) - tinaliang (0 bytes) 2009-01-07, 18:22:45 (291529)
  • just adjust the phone speaker around to a phone's 共振 frequency (无内容) - meiyou (0 bytes) 2009-01-07, 16:30:17 (291506)

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