JPS6444797U - - Google Patents

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Publication number
JPS6444797U
JPS6444797U JP13922187U JP13922187U JPS6444797U JP S6444797 U JPS6444797 U JP S6444797U JP 13922187 U JP13922187 U JP 13922187U JP 13922187 U JP13922187 U JP 13922187U JP S6444797 U JPS6444797 U JP S6444797U
Authority
JP
Japan
Prior art keywords
vibrating plate
piezoelectric vibrating
piezoelectric
metal cylinder
vicinity
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
JP13922187U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP13922187U priority Critical patent/JPS6444797U/ja
Publication of JPS6444797U publication Critical patent/JPS6444797U/ja
Pending legal-status Critical Current

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  • Piezo-Electric Transducers For Audible Bands (AREA)

Description

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

第1図は本考案による実施例を示す図、第2図
a,bは本考案による作用を示す図、第3図は本
考案による実施例の周波数―音圧特性を示す図、
第4図は従来例を示す図である。 1……圧電振動素板、2……金属円筒。
FIG. 1 is a diagram showing an embodiment according to the present invention, FIGS. 2 a and b are diagrams showing the action according to the present invention, and FIG. 3 is a diagram showing frequency-sound pressure characteristics of an embodiment according to the present invention.
FIG. 4 is a diagram showing a conventional example. 1...Piezoelectric vibration blank plate, 2...Metal cylinder.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 表裏面に各々励振電極を有し、径方向振動を行
う円形圧電振動素板と、この圧電振動素板と直径
が略等しく、かつこの圧電振動素板周囲近傍と電
気的機械的に接続される開口部を有する金属円筒
とを有することを特徴とする圧電発音体。
A circular piezoelectric vibrating plate having excitation electrodes on the front and back surfaces and vibrating in the radial direction, the diameter of which is approximately equal to that of the piezoelectric vibrating plate, and electrically and mechanically connected to the vicinity of the piezoelectric vibrating plate. A piezoelectric sounding body characterized by having a metal cylinder having an opening.
JP13922187U 1987-09-10 1987-09-10 Pending JPS6444797U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13922187U JPS6444797U (en) 1987-09-10 1987-09-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13922187U JPS6444797U (en) 1987-09-10 1987-09-10

Publications (1)

Publication Number Publication Date
JPS6444797U true JPS6444797U (en) 1989-03-17

Family

ID=31402278

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13922187U Pending JPS6444797U (en) 1987-09-10 1987-09-10

Country Status (1)

Country Link
JP (1) JPS6444797U (en)

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