JPH02141194U - - Google Patents

Info

Publication number
JPH02141194U
JPH02141194U JP4979589U JP4979589U JPH02141194U JP H02141194 U JPH02141194 U JP H02141194U JP 4979589 U JP4979589 U JP 4979589U JP 4979589 U JP4979589 U JP 4979589U JP H02141194 U JPH02141194 U JP H02141194U
Authority
JP
Japan
Prior art keywords
vibrator
vibrating body
utility
registration request
model registration
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP4979589U
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP4979589U priority Critical patent/JPH02141194U/ja
Publication of JPH02141194U publication Critical patent/JPH02141194U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例を示す説明図である
。第２図は従来例を示す説明図である。 第１図において、１……振動子、２……エアロ
ゲル層、３……保護スクリーン、４……ケース、
５……絶縁物、６……リード線である。 第２図において１′……振動子、３′……保護
スクリーン、４′……ケース、５′……絶縁物、
６……リード線である。 FIG. 1 is an explanatory diagram showing an embodiment of the present invention. FIG. 2 is an explanatory diagram showing a conventional example. In FIG. 1, 1... Vibrator, 2... Airgel layer, 3... Protective screen, 4... Case,
5...Insulator, 6... Lead wire. In Fig. 2, 1'... vibrator, 3'... protective screen, 4'... case, 5'... insulator,
6...Lead wire.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 圧電振動子、電歪振動子、磁歪振動子などを振
動体として用いた超音波送受波器において、超音
波を発生させる振動体の表面に、エアロゲル層を
設けたことを特徴とする超音波送受波器。 An ultrasonic transducer using a piezoelectric vibrator, an electrostrictive vibrator, a magnetostrictive vibrator, etc. as a vibrating body, characterized in that an airgel layer is provided on the surface of the vibrating body that generates ultrasonic waves. Wave equipment.
JP4979589U 1989-04-27 1989-04-27 Pending JPH02141194U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4979589U JPH02141194U (en) 1989-04-27 1989-04-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4979589U JPH02141194U (en) 1989-04-27 1989-04-27

Publications (1)

Publication Number Publication Date
JPH02141194U true JPH02141194U (en) 1990-11-27

Family

ID=31567791

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4979589U Pending JPH02141194U (en) 1989-04-27 1989-04-27

Country Status (1)

Country Link
JP (1) JPH02141194U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002041052A (en) * 2000-05-23 2002-02-08 Agere Systems Guardian Corp Sound-reflecting material of acoustic element
US6776051B2 (en) 2001-02-28 2004-08-17 Matsushita Electric Industrial Co., Ltd. Ultrasonic transducer and ultrasonic flowmeter using same
JP2011080064A (en) * 1997-01-24 2011-04-21 Cabot Corp Method of use of aerogel for deadening object sound and/or impact sound

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011080064A (en) * 1997-01-24 2011-04-21 Cabot Corp Method of use of aerogel for deadening object sound and/or impact sound
JP2002041052A (en) * 2000-05-23 2002-02-08 Agere Systems Guardian Corp Sound-reflecting material of acoustic element
US6776051B2 (en) 2001-02-28 2004-08-17 Matsushita Electric Industrial Co., Ltd. Ultrasonic transducer and ultrasonic flowmeter using same
US7087264B2 (en) 2001-02-28 2006-08-08 Matsushita Electric Industrial Co., Ltd. Ultrasonic transducer, method for manufacturing ultrasonic transducer, and ultrasonic flowmeter

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