JPS59177299U - ultrasonic ceramic microphone - Google Patents

ultrasonic ceramic microphone

Info

Publication number
JPS59177299U
JPS59177299U JP7192183U JP7192183U JPS59177299U JP S59177299 U JPS59177299 U JP S59177299U JP 7192183 U JP7192183 U JP 7192183U JP 7192183 U JP7192183 U JP 7192183U JP S59177299 U JPS59177299 U JP S59177299U
Authority
JP
Japan
Prior art keywords
hole
center
piezoelectric ceramic
ceramic plate
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
JP7192183U
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 JP7192183U priority Critical patent/JPS59177299U/en
Publication of JPS59177299U publication Critical patent/JPS59177299U/en
Pending legal-status Critical Current

Links

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) [Abstract] 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図は従来の超音波セラミックマイクロホンを示す断
面図、第２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３図は本考案の超音波
セラミックマイクロホンに用いるバイモルフ振動子の斜
視図である。 １・・・孔部のない圧電磁器板、３・・・円錐台形状共
振子、４・・・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・・・中
央部に孔部を設けた圧電磁器板、１３・・・バイモルフ
振動子。Fig. 1 is a cross-sectional view showing a conventional ultrasonic ceramic microphone, Fig. 2 is a cross-sectional view showing an embodiment of the ultrasonic ceramic microphone according to the present invention, and Fig. 3 is a cross-sectional view showing an embodiment of the ultrasonic ceramic microphone according to the present invention. FIG. 3 is a perspective view of a vibrator. DESCRIPTION OF SYMBOLS 1... Piezoelectric ceramic plate without holes, 3... truncated conical resonator, 4... epoxy resin adhesive, 5... terminal board, 6... elastic adhesive, 8... - Case, 12... Piezoelectric ceramic plate with a hole in the center, 13... Bimorph resonator.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 中央部に孔部を設けた圧電磁器板と孔部がない圧電磁器
板を貼り合せてバイモルフ振動子を構成し、前記中央部
に孔部を設けた圧電磁器板の孔部に円錐台形状共振子を
エポキシ樹脂系接着剤で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。A bimorph vibrator is constructed by bonding a piezoelectric ceramic plate with a hole in the center and a piezoelectric ceramic plate without a hole, and a truncated cone-shaped resonance is generated in the hole of the piezoelectric ceramic plate with a hole in the center. A composite resonator in which a child is fixed with an epoxy resin adhesive is adhesively fixed to a convex supporting portion at the center of the terminal plate via an elastic adhesive, and the composite resonator and the terminal plate are housed in a case. Ultrasonic ceramic microphone.
JP7192183U 1983-05-13 1983-05-13 ultrasonic ceramic microphone Pending JPS59177299U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7192183U JPS59177299U (en) 1983-05-13 1983-05-13 ultrasonic ceramic microphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7192183U JPS59177299U (en) 1983-05-13 1983-05-13 ultrasonic ceramic microphone

Publications (1)

Publication Number Publication Date
JPS59177299U true JPS59177299U (en) 1984-11-27

Family

ID=30202074

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7192183U Pending JPS59177299U (en) 1983-05-13 1983-05-13 ultrasonic ceramic microphone

Country Status (1)

Country Link
JP (1) JPS59177299U (en)

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