JPS623192U

JPS623192U -

Info

Publication number: JPS623192U
Application number: JP9501485U
Authority: JP
Priority date: 1985-06-22
Filing date: 1985-06-22
Publication date: 1987-01-09

Description

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

第１図および第２図は本考案の圧電振動装置の
一実施例を示す平面図およびその―間の斜視
断面図、第３図は第２図に示す圧電振動素子の斜
視図、第４図は圧電振動素子の他の例を示す断面
図、第５図および第６図は第２図の圧電振動装置
の変形例を示す部分断面図、第７図は本考案の他
の実施例を示す断面図である。１，２５，２９……第１の振動板、３，２３…
…凹部、５……第２の振動板、７……フランジ、
９……音響的密封空間、１１，２１……圧電振動
素子、１３……圧電板、１５，１７……電極、１
９……導電板、Ａ〜Ｇ……単位圧電振動装置。 FIGS. 1 and 2 are a plan view and a perspective cross-sectional view of an embodiment of the piezoelectric vibrating device of the present invention, FIG. 3 is a perspective view of the piezoelectric vibrating element shown in FIG. 2, and FIG. 4 is a perspective view of the piezoelectric vibrating element shown in FIG. 5 and 6 are partial sectional views showing a modification of the piezoelectric vibrating device shown in FIG. 2, and FIG. 7 shows another embodiment of the present invention. FIG. 1, 25, 29...first diaphragm, 3, 23...
... recess, 5 ... second diaphragm, 7 ... flange,
9... Acoustic sealed space, 11, 21... Piezoelectric vibration element, 13... Piezoelectric plate, 15, 17... Electrode, 1
9... Conductive plate, A to G... Unit piezoelectric vibration device.

Claims

【実用新案登録請求の範囲】 (1) 圧電振動素子を第１の振動板に貼付け、この第１の振動板と第２の振動板を重ねて止着
するとともに、前記圧電振動素子の少なくとも前面もしくは背
面側に前記第１と第２の振動板との間で音響的密
封空間を形成して単位圧電振動装置を構成し、この単位圧電振動装置を複数備えてなる複合圧
電振動装置において、前記複数の単位圧電振動装置の少なくとも前記
第１もしくは第２の振動板が共通の振動板から形
成されてなることを特徴とする複合圧電振動装置
。 (2) 前記第１および第２の振動板が共に各々共
通の振動板からなる実用新案登録請求の範囲第１
項記載の圧電振動装置。[Claims for Utility Model Registration] (1) A piezoelectric vibrating element is attached to a first diaphragm, and the first diaphragm and the second diaphragm are overlapped and fixed, and at least the front surface of the piezoelectric vibrating element Alternatively, an acoustically sealed space is formed between the first and second diaphragms on the back side to constitute a unit piezoelectric vibrating device, and in a composite piezoelectric vibrating device comprising a plurality of the unit piezoelectric vibrating devices, A composite piezoelectric vibrating device, wherein at least the first or second diaphragm of the plurality of unit piezoelectric vibrating devices is formed from a common diaphragm. (2) Utility model registration claim 1 in which the first and second diaphragms are each a common diaphragm.
The piezoelectric vibrating device described in .