JP4100372B2 - 超音波美容器具 - Google Patents
超音波美容器具 Download PDFInfo
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- JP4100372B2 JP4100372B2 JP2004140457A JP2004140457A JP4100372B2 JP 4100372 B2 JP4100372 B2 JP 4100372B2 JP 2004140457 A JP2004140457 A JP 2004140457A JP 2004140457 A JP2004140457 A JP 2004140457A JP 4100372 B2 JP4100372 B2 JP 4100372B2
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- ultrasonic
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Description
反射率r={(ρ1c1−ρ2c2)/(ρ1c1+ρ2c2)}2
で与えられ、ρ1c1とρ2c2の差が大きいほど、界面で反射が起こる。
また、請求項2に係る発明は、超音波振動を生体肌表面に伝達させる超音波美容器具において、超音波振動を発生する超音波振動子と、前記超音波振動子からの超音波振動を伝達するホーンと、を備え、前記超音波振動子は、中央部に穴が形成された円板型振動子であり、前記ホーンは、その表面に、前記超音波振動子の穴に対向するように形成された円形の凹部又は凸部を有し、前記超音波振動子の穴径が前記ホーンの表面に形成された円形の凹部又は凸部の直径以上であることを特徴とする。
なお、凹部又は凸部は、頂部に平坦部がある必要はなく、円錐状など錘状でも構わない。また、超音波伝達媒体は、美容器具とは別売りのものを想定している。
請求項4に係る発明は、請求項1乃至3のいずれか1項に記載の超音波美容器具において、前記超音波振動子とホーンの振動方向厚みが、超音波の1/4波長の整数倍とされ、前記凹凸形状が超音波の1/4波長の整数倍を外した高さとされていることを特徴とする。
2 ハウジング
3 超音波振動子
31 円板型振動子
4 ホーン
5 超音波伝達媒体
9 凹凸形状
91 窪み
92 凸部
10 生体
Claims (4)
- 超音波振動を生体肌表面に伝達させる超音波美容器具において、
超音波振動を発生する超音波振動子と、
前記超音波振動子からの超音波振動を伝達するホーンと、を備え、
前記ホーンは、その表面に、器具使用時に該ホーンと生体肌表面との間に介在させる流動性を持つ超音波伝達媒体の流動を阻止する環状の凹部又は凸部の流動阻止構造を有し、
前記環状の凹部又は凸部は前記超音波振動子と同心に形成され、前記環状の凹部又は凸部の内側円寸法が前記超音波振動子の外径寸法よりも大きいことを特徴とする超音波美容器具。 - 超音波振動を生体肌表面に伝達させる超音波美容器具において、
超音波振動を発生する超音波振動子と、
前記超音波振動子からの超音波振動を伝達するホーンと、を備え、
前記超音波振動子は、中央部に穴が形成された円板型振動子であり、
前記ホーンは、その表面に、前記超音波振動子の穴に対向するように形成された円形の凹部又は凸部を有し、
前記超音波振動子の穴径が前記ホーンの表面に形成された円形の凹部又は凸部の直径以上であることを特徴とする超音波美容器具。 - 前記ホーンは、その表面に、前記円形の凹部又は凸部の外側に形成され、器具使用時に該ホーンと生体肌表面との間に介在させる流動性を持つ超音波伝達媒体の流動を阻止する環状の凹部又は凸部の流動阻止構造を有し、
前記超音波振動子の外径が前記環状の凹部又は凸部の内径以下であることを特徴とする請求項2記載の超音波美容器具。 - 前記超音波振動子とホーンの振動方向厚みが、超音波の1/4波長の整数倍とされ、前記凹凸形状が超音波の1/4波長の整数倍を外した高さとされていることを特徴とする請求項1乃至3のいずれか一項に記載の超音波美容器具。
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JP2004140457A JP4100372B2 (ja) | 2004-05-10 | 2004-05-10 | 超音波美容器具 |
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JP2004140457A JP4100372B2 (ja) | 2004-05-10 | 2004-05-10 | 超音波美容器具 |
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JP2005323213A JP2005323213A (ja) | 2005-11-17 |
JP4100372B2 true JP4100372B2 (ja) | 2008-06-11 |
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JP2004140457A Expired - Fee Related JP4100372B2 (ja) | 2004-05-10 | 2004-05-10 | 超音波美容器具 |
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