JPS6140100U

JPS6140100U - Piezoelectric speaker assembly structure

Info

Publication number: JPS6140100U
Application number: JP12518684U
Authority: JP
Inventors: 一美小前
Original assignee: オンキヨー株式会社
Priority date: 1984-08-16
Filing date: 1984-08-16
Publication date: 1986-03-13

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

[Brief explanation of the drawing]

第１図乃至第３図は本考案の一実施例を示すもので、第
１図は分解斜視図、第２図は縦断面図、第３図は本考案
圧電スピーカの音圧一周波数特性図、第４図及び第５図
は夫々別の実施例を示す縦断面図、第６図イ，口及び第
７図イは夫々従来例を示す縦断面図、第７図口は第７図
イの平面図、第８図は第７図のものの音圧一周波数特性
図である。１・・・・・・圧電振動子、２・・・・・・突起、３・
・・・・・フレーム、４・・・・・・リング状部材、５
・・・・・・平板振動板、７・・・・・・グリル、Ａ・
・曲振動板アツセンブリー。Figures 1 to 3 show an embodiment of the present invention, in which Figure 1 is an exploded perspective view, Figure 2 is a vertical sectional view, and Figure 3 is a sound pressure-frequency characteristic diagram of the piezoelectric speaker of the present invention. , FIGS. 4 and 5 are longitudinal sectional views showing different embodiments, FIGS. 6A and 7B are longitudinal sectional views showing conventional examples, and FIGS. 8 is a sound pressure-frequency characteristic diagram of the one shown in FIG. 7. 1...Piezoelectric vibrator, 2...Protrusion, 3.
...Frame, 4...Ring-shaped member, 5
...Flat plate diaphragm, 7...Grill, A.
・Tune diaphragm assembly.

Claims

[Claims for Utility Model Registration] ■ The center portion of the piezoelectric vibrator 1 is fixedly supported on the frame 3, and a flat plate diaphragm 5 is adhesively fixed to the outer peripheral portion of the piezoelectric vibrator 1 via a ring-shaped member 4. In a certain piezoelectric speaker, a diaphragm assembly A consisting of the piezoelectric vibrator 1, a ring-shaped member 4, and a flat diaphragm 5 is attached to a protrusion 2 integrally projecting from the frame 3 at the center of the piezoelectric vibrator 1. A piezoelectric speaker assembly structure characterized in that the piezoelectric speaker is supported by a frame 3 by adhesive fixation and supporting fixation between the grille 7 and the frame 3 at the outer peripheral portion of the flat diaphragm 5. (2) The piezoelectric speaker assembly structure according to claim (2), wherein the piezoelectric vibrator 1 is made of ceramic. (2) The piezoelectric speaker assembly structure according to claim (2), wherein the flat diaphragm 5 has a honeycomb structure.