JPS5896398U - ultrasonic ceramic microphone - Google Patents

ultrasonic ceramic microphone

Info

Publication number
JPS5896398U
JPS5896398U JP19633581U JP19633581U JPS5896398U JP S5896398 U JPS5896398 U JP S5896398U JP 19633581 U JP19633581 U JP 19633581U JP 19633581 U JP19633581 U JP 19633581U JP S5896398 U JPS5896398 U JP S5896398U
Authority
JP
Japan
Prior art keywords
case
ultrasonic ceramic
resonator
microphone
ceramic microphone
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
JP19633581U
Other languages
Japanese (ja)
Other versions
JPS635356Y2 (en
Inventor
宇都宮 良一
Original Assignee
松下電器産業株式会社
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 松下電器産業株式会社 filed Critical 松下電器産業株式会社
Priority to JP19633581U priority Critical patent/JPS5896398U/en
Publication of JPS5896398U publication Critical patent/JPS5896398U/en
Application granted granted Critical
Publication of JPS635356Y2 publication Critical patent/JPS635356Y2/ja
Granted legal-status Critical Current

Links

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  • 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 drawings]

第1図(主従来の超音波セラミックマイクロホンの断面
図、第2図は本考案の一実施例における超音波セラミッ
クマイクロホンの断面図、第3図は同超音波セラミツ多
マイクロホンの指向性の説明図である。 10・・・・・・バイモルフ振動子、11・・・・・・
円錐状共振子、13・・・・・・緩衝材、14a・・・
・・・ケース、14b・・・・・・放物ホーン、15・
・・・・・吸音材、16・・・・・・端子板、18・・
・・・・区切板、19・・・・・・穴。
Figure 1 (mainly a sectional view of a conventional ultrasonic ceramic microphone, Figure 2 is a sectional view of an ultrasonic ceramic microphone according to an embodiment of the present invention, and Figure 3 is an explanatory diagram of the directivity of the ultrasonic ceramic microphone) 10... Bimorph oscillator, 11...
Conical resonator, 13...Buffer material, 14a...
...Case, 14b...Parabolic horn, 15.
...Sound absorbing material, 16...Terminal board, 18...
...Divider plate, 19...hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] バイモルフ振動子の中央部に円錐状共振子を接着し、こ
の円錐状共振子の底面周辺を緩衝材で支持固定し、これ
を放物ホーンが一体化されたケースに収納し、前記放物
ホーンとケースとの境界部分であるのど部に、複数個の
穴を中央部に有する区切板を設け、前記ケースの開口端
より吸音材を挿入し、前記開口端を端子板で閉塞した超
音波セラミックマイクロホン。
A conical resonator is glued to the center of the bimorph resonator, the periphery of the bottom of the conical resonator is supported and fixed with a cushioning material, and this is housed in a case with an integrated parabolic horn. A partition plate having a plurality of holes in the center is provided in the throat that is the boundary between the case and the case, a sound absorbing material is inserted from the open end of the case, and the open end is closed with a terminal plate. Microphone.
JP19633581U 1981-12-23 1981-12-23 ultrasonic ceramic microphone Granted JPS5896398U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19633581U JPS5896398U (en) 1981-12-23 1981-12-23 ultrasonic ceramic microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19633581U JPS5896398U (en) 1981-12-23 1981-12-23 ultrasonic ceramic microphone

Publications (2)

Publication Number Publication Date
JPS5896398U true JPS5896398U (en) 1983-06-30
JPS635356Y2 JPS635356Y2 (en) 1988-02-13

Family

ID=30109580

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19633581U Granted JPS5896398U (en) 1981-12-23 1981-12-23 ultrasonic ceramic microphone

Country Status (1)

Country Link
JP (1) JPS5896398U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57173480U (en) * 1981-04-25 1982-11-01

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57173480U (en) * 1981-04-25 1982-11-01

Also Published As

Publication number Publication date
JPS635356Y2 (en) 1988-02-13

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