JPS59154997U - ultrasonic ceramic microphone - Google Patents

ultrasonic ceramic microphone

Info

Publication number
JPS59154997U
JPS59154997U JP4938483U JP4938483U JPS59154997U JP S59154997 U JPS59154997 U JP S59154997U JP 4938483 U JP4938483 U JP 4938483U JP 4938483 U JP4938483 U JP 4938483U JP S59154997 U JPS59154997 U JP S59154997U
Authority
JP
Japan
Prior art keywords
resonator
ultrasonic
bimorph
ceramic microphone
ultrasonic ceramic
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
JP4938483U
Other languages
Japanese (ja)
Inventor
有須田 信彦
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 JP4938483U priority Critical patent/JPS59154997U/en
Publication of JPS59154997U publication Critical patent/JPS59154997U/en
Pending legal-status Critical Current

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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図は従来の超音波セラミックマイクロホンの断面図
、第2図は従来の超音波セラミックマイクロホンに用い
ていた円錐状共振子の断面図、第3図は本考案に係る超
音波セラミックマイクロホンの一実施例を示す断面図、
第4図は本考案の超音波セラミックマイクロホンに用い
る筒状部を設けた円錐台形状共振子の断面図である。 1・・・・・・圧電磁器板、2・・・・・・バイモルフ
振動子、4・・・・・・接着剤(エポキシ樹脂系接着剤
)、5・・・・・・端子板、6・・・・・・弾性接着剤
、8・・・・・・ケース、12・・・・・・円錐台形状
共振子、12a・・・・・・筒状部。
Fig. 1 is a cross-sectional view of a conventional ultrasonic ceramic microphone, Fig. 2 is a cross-sectional view of a conical resonator used in a conventional ultrasonic ceramic microphone, and Fig. 3 is a cross-sectional view of an ultrasonic ceramic microphone according to the present invention. A sectional view showing an example,
FIG. 4 is a sectional view of a truncated conical resonator provided with a cylindrical portion used in the ultrasonic ceramic microphone of the present invention. 1... Piezoelectric ceramic plate, 2... Bimorph resonator, 4... Adhesive (epoxy resin adhesive), 5... Terminal board, 6 ...Elastic adhesive, 8 ... Case, 12 ... truncated conical resonator, 12a ... Cylindrical part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 圧電磁器板を2板貼り合わせたバイモルフ振動子と円錐
台形状でその上面中央部に筒状部を具備するとともに底
面部を超音波放射面とした共振子を有し、前記共振子を
上面中央の筒状部にて前記バイモルフ振動子の中央部に
接着剤にて接着固定してなる複合共振子を端子板中央部
の凸状支持部に弾性接着剤を介して接着固定し、前記複
合共振子及び端子板をケース内に収納してなる超音波セ
ラミックマイクロホン。
It has a bimorph vibrator made of two piezoelectric ceramic plates bonded together, and a resonator that is shaped like a truncated cone and has a cylindrical part at the center of its top surface, and whose bottom surface is an ultrasonic emission surface. A composite resonator formed by adhering and fixing the cylindrical part to the central part of the bimorph resonator with an adhesive is adhesively fixed to the convex support part in the central part of the terminal plate via an elastic adhesive, and the composite resonator is An ultrasonic ceramic microphone with a terminal block and terminal board housed in a case.
JP4938483U 1983-04-01 1983-04-01 ultrasonic ceramic microphone Pending JPS59154997U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4938483U JPS59154997U (en) 1983-04-01 1983-04-01 ultrasonic ceramic microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4938483U JPS59154997U (en) 1983-04-01 1983-04-01 ultrasonic ceramic microphone

Publications (1)

Publication Number Publication Date
JPS59154997U true JPS59154997U (en) 1984-10-17

Family

ID=30179891

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4938483U Pending JPS59154997U (en) 1983-04-01 1983-04-01 ultrasonic ceramic microphone

Country Status (1)

Country Link
JP (1) JPS59154997U (en)

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