低周波小型音叉について

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書誌事項

タイトル別名
  • Miniature Turing Fork for Low Frequency
  • テイシュウハ コガタ オンサ ニ ツイテ

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抄録

As a low frequency standard a tuning fork offers certain advantages because of its high Q value. Analysis was conducted with the view of finding the characteristics of added-mass cantilever structure for miniaturizing the tuning fork. Thus a tuning fork of added-mass type with dimension 26. 5×6. 0×2. 0 mm and frequency of about 300 cps was designed. In maintaining the vibration by piezoelectric means, the cementing of piezoelectric elements to the tuning fork is one of the most important factors which effect the values of Q. The relation between the values of Q and the place of attachment of the piezoelectric elements was investigated, and a piezoelectric tuning fork with high Q at about 3000 was obtained. Several further characteristics of this piezoelectric tuning fork were investigated and discussed. The equivalent circuit of this tuning fork was obtained, and several constants of this equivalent circuit were measured.

収録刊行物

  • 日本音響学会誌

    日本音響学会誌 19 (6), 247-254, 1963

    一般社団法人 日本音響学会

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