JPS59164398U - ultrasonic microphone - Google Patents

ultrasonic microphone

Info

Publication number
JPS59164398U
JPS59164398U JP5852783U JP5852783U JPS59164398U JP S59164398 U JPS59164398 U JP S59164398U JP 5852783 U JP5852783 U JP 5852783U JP 5852783 U JP5852783 U JP 5852783U JP S59164398 U JPS59164398 U JP S59164398U
Authority
JP
Japan
Prior art keywords
ultrasonic microphone
case
foamed plastic
piezoelectric element
ultrasonic
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
JP5852783U
Other languages
Japanese (ja)
Other versions
JPH0617439Y2 (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 JP1983058527U priority Critical patent/JPH0617439Y2/en
Publication of JPS59164398U publication Critical patent/JPS59164398U/en
Application granted granted Critical
Publication of JPH0617439Y2 publication Critical patent/JPH0617439Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (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正面図、第
２図は本案が使用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　　　ｍｍいた場合、
同図Ｂはプラスチックを用いた場合の超音波パルス特性
図である。 １・・・・・・発泡性プラスチックよりなるケース、１
ａ・・・・・・底面、２・・・・・・圧電素子。 第２図 第３図　　ＡFigure 1 is a front view of the ultrasonic microphone according to the present invention, Figure 2 is a partial cross-sectional view of the foamed plastic used in the present invention, and Figure 3A is a case in which metal is used as the case material.
Figure B is an ultrasonic pulse characteristic diagram when plastic is used. 1...Case made of foamed plastic, 1
a...Bottom surface, 2...Piezoelectric element. Figure 2 Figure 3 A

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面としてその内面
に圧電素子を一体に貼着してなるものにおいて、前記ケ
ースとして発泡性プラスチック材料によって構成したこ
とを特徴とする超音波マイクロフォン。- An ultrasonic microphone comprising a bottomed cylindrical case whose bottom surface serves as a sound wave transmission/reception surface and a piezoelectric element is integrally attached to the inner surface thereof, wherein the case is made of a foamed plastic material.
JP1983058527U 1983-04-19 1983-04-19 Ultrasonic Microphone Expired - Lifetime JPH0617439Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1983058527U JPH0617439Y2 (en) 1983-04-19 1983-04-19 Ultrasonic Microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983058527U JPH0617439Y2 (en) 1983-04-19 1983-04-19 Ultrasonic Microphone

Publications (2)

Publication Number Publication Date
JPS59164398U true JPS59164398U (en) 1984-11-05
JPH0617439Y2 JPH0617439Y2 (en) 1994-05-02

Family

ID=30188808

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983058527U Expired - Lifetime JPH0617439Y2 (en) 1983-04-19 1983-04-19 Ultrasonic Microphone

Country Status (1)

Country Link
JP (1) JPH0617439Y2 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1530347A (en) * 1975-09-17 1978-10-25 Siemens Ag Transducers

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1530347A (en) * 1975-09-17 1978-10-25 Siemens Ag Transducers

Also Published As

Publication number Publication date
JPH0617439Y2 (en) 1994-05-02

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