JP3629481B2 - 超音波振動子およびそれを用いた超音波流量計 - Google Patents

超音波振動子およびそれを用いた超音波流量計 Download PDF

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Publication number
JP3629481B2
JP3629481B2 JP2002273136A JP2002273136A JP3629481B2 JP 3629481 B2 JP3629481 B2 JP 3629481B2 JP 2002273136 A JP2002273136 A JP 2002273136A JP 2002273136 A JP2002273136 A JP 2002273136A JP 3629481 B2 JP3629481 B2 JP 3629481B2
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Japan
Prior art keywords
plate
acoustic matching
area
ultrasonic
piezoelectric body
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Expired - Fee Related
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JP2002273136A
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English (en)
Japanese (ja)
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JP2003348681A5 (enExample
JP2003348681A (ja
Inventor
庸介 入江
明久 足立
和夫 横山
勝彦 浅井
真人 佐藤
英知 永原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
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Priority to JP2002273136A priority Critical patent/JP3629481B2/ja
Publication of JP2003348681A publication Critical patent/JP2003348681A/ja
Application granted granted Critical
Publication of JP3629481B2 publication Critical patent/JP3629481B2/ja
Publication of JP2003348681A5 publication Critical patent/JP2003348681A5/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Measuring Volume Flow (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
JP2002273136A 2002-03-19 2002-09-19 超音波振動子およびそれを用いた超音波流量計 Expired - Fee Related JP3629481B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002273136A JP3629481B2 (ja) 2002-03-19 2002-09-19 超音波振動子およびそれを用いた超音波流量計

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002075779 2002-03-19
JP2002-75779 2002-03-19
JP2002273136A JP3629481B2 (ja) 2002-03-19 2002-09-19 超音波振動子およびそれを用いた超音波流量計

Publications (3)

Publication Number Publication Date
JP2003348681A JP2003348681A (ja) 2003-12-05
JP3629481B2 true JP3629481B2 (ja) 2005-03-16
JP2003348681A5 JP2003348681A5 (enExample) 2005-06-16

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JP2002273136A Expired - Fee Related JP3629481B2 (ja) 2002-03-19 2002-09-19 超音波振動子およびそれを用いた超音波流量計

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JP (1) JP3629481B2 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005274387A (ja) * 2004-03-25 2005-10-06 Matsushita Electric Ind Co Ltd 流体の流れ計測装置
JP5240121B2 (ja) * 2009-08-20 2013-07-17 パナソニック株式会社 流体の流れ計測装置
JP5653274B2 (ja) * 2011-03-30 2015-01-14 アズビル株式会社 診断方法および超音波測定装置
JP6382707B2 (ja) * 2014-12-18 2018-08-29 京セラ株式会社 音響発生器およびこれを備えたスピーカー
JP7318334B2 (ja) 2019-06-14 2023-08-01 Tdk株式会社 圧電素子
JP2022072524A (ja) * 2020-10-30 2022-05-17 日本特殊陶業株式会社 超音波トランスデューサ
CN116952317A (zh) * 2023-08-07 2023-10-27 青岛鼎信通讯科技有限公司 一种应用于超声水表的四声路换能器

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Publication number Publication date
JP2003348681A (ja) 2003-12-05

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