JPS59166599U - ultrasonic microphone - Google Patents

ultrasonic microphone

Info

Publication number
JPS59166599U
JPS59166599U JP5970283U JP5970283U JPS59166599U JP S59166599 U JPS59166599 U JP S59166599U JP 5970283 U JP5970283 U JP 5970283U JP 5970283 U JP5970283 U JP 5970283U JP S59166599 U JPS59166599 U JP S59166599U
Authority
JP
Japan
Prior art keywords
piezoelectric element
case
ultrasonic microphone
outer periphery
foamed plastic
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.)
Granted
Application number
JP5970283U
Other languages
Japanese (ja)
Other versions
JPS6345120Y2 (en
Inventor
小関　英治
利治 伊藤
耕造 岡田
Original Assignee
日本特殊陶業株式会社
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 by 日本特殊陶業株式会社 filed Critical 日本特殊陶業株式会社
Priority to JP5970283U priority Critical patent/JPS59166599U/en
Publication of JPS59166599U publication Critical patent/JPS59166599U/en
Application granted granted Critical
Publication of JPS6345120Y2 publication Critical patent/JPS6345120Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Transducers For Ultrasonic Waves (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は本案による超音波マイクロフォンを示し、Ａは
一部を断面とした平面図、Ｂは縦断正面図、第２図は本
案のケースを構成する発泡性プラスチックの一部断面図
、第３図Ａはケース材料に金属を用いた場合、同図Ｂは
プラスチックを用いた場合の各超音波パルス特性図、第
４図はケース底面に段部を施した場合（点線）と施さな
い場合（実線）の指向特性図、第５図Ａ−Ｃは本案の他
側による要部断面図である。 １・・・・・・発泡性プラスチックよりなるケース、１
ａ・・・・・・ケース底面、１ｂ・・・・・・段部、Ｉ
Ｃ・・・・・・溝部、２・・・・・・圧電素子。Fig. 1 shows an ultrasonic microphone according to the present invention, A is a partially sectional plan view, B is a longitudinal front view, Fig. 2 is a partial sectional view of the foamed plastic that constitutes the case of the present invention, and Fig. 3 Figure A shows the ultrasonic pulse characteristics when metal is used as the case material, Figure B shows the ultrasonic pulse characteristics when plastic is used as the case material, and Figure 4 shows the cases with and without a step on the bottom of the case (dotted line). The directional characteristic diagram (solid line) and FIGS. 5A to 5C are sectional views of the main parts on the other side of the present invention. 1...Case made of foamed plastic, 1
a...Bottom surface of the case, 1b...Step part, I
C...Groove portion, 2...Piezoelectric element.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 有底筒状ケースの底面を音波送受部としてその内面中央
に圧電素子を一体に貼着してなるものにおいて、前記ケ
ースを発泡性プラスチック材料で構成すると共に該ケー
ス底面の、圧電素子の外周縁に近接する周囲にて該圧電
素子の外周縁から横方向に派生する振動を緩和、吸収す
る段部または溝部を設けたことを特徴とする超音波マイ
クロフォン−０A piezoelectric element is integrally attached to the center of the inner surface of a cylindrical case with a bottom as a sound wave transmitting/receiving part, and the case is made of a foamed plastic material, and the outer periphery of the piezoelectric element on the bottom of the case is An ultrasonic microphone characterized in that a stepped portion or a groove portion is provided in the vicinity of the piezoelectric element to moderate and absorb vibrations derived laterally from the outer periphery of the piezoelectric element.
JP5970283U 1983-04-21 1983-04-21 ultrasonic microphone Granted JPS59166599U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5970283U JPS59166599U (en) 1983-04-21 1983-04-21 ultrasonic microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5970283U JPS59166599U (en) 1983-04-21 1983-04-21 ultrasonic microphone

Publications (2)

Publication Number Publication Date
JPS59166599U true JPS59166599U (en) 1984-11-08
JPS6345120Y2 JPS6345120Y2 (en) 1988-11-22

Family

ID=30189947

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5970283U Granted JPS59166599U (en) 1983-04-21 1983-04-21 ultrasonic microphone

Country Status (1)

Country Link
JP (1) JPS59166599U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007114182A (en) * 2005-09-22 2007-05-10 Denso Corp Mounting structure of ultrasonic sensor
JP2008151667A (en) * 2006-12-18 2008-07-03 Mitsubishi Electric Corp Distance measuring sensor and facility instrument equipped with the same
JP5387697B2 (en) * 2010-01-25 2014-01-15 株式会社村田製作所 Ultrasonic vibration device
JP2014527163A (en) * 2011-07-23 2014-10-09 フオルクスヴアーゲン アクチエンゲゼルシヤフト Auto assembly assembly

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007114182A (en) * 2005-09-22 2007-05-10 Denso Corp Mounting structure of ultrasonic sensor
JP2008151667A (en) * 2006-12-18 2008-07-03 Mitsubishi Electric Corp Distance measuring sensor and facility instrument equipped with the same
JP4598747B2 (en) * 2006-12-18 2010-12-15 三菱電機株式会社 Ranging sensor and equipment equipped with the same
JP5387697B2 (en) * 2010-01-25 2014-01-15 株式会社村田製作所 Ultrasonic vibration device
JP2014527163A (en) * 2011-07-23 2014-10-09 フオルクスヴアーゲン アクチエンゲゼルシヤフト Auto assembly assembly

Also Published As

Publication number Publication date
JPS6345120Y2 (en) 1988-11-22

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