JPS6312994U - - Google Patents

Info

Publication number
JPS6312994U
JPS6312994U JP10607986U JP10607986U JPS6312994U JP S6312994 U JPS6312994 U JP S6312994U JP 10607986 U JP10607986 U JP 10607986U JP 10607986 U JP10607986 U JP 10607986U JP S6312994 U JPS6312994 U JP S6312994U
Authority
JP
Japan
Prior art keywords
diaphragm
substrate
locations
presser
elastic body
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.)
Granted
Application number
JP10607986U
Other languages
Japanese (ja)
Other versions
JPH0419919Y2 (en
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 JP10607986U priority Critical patent/JPH0419919Y2/ja
Publication of JPS6312994U publication Critical patent/JPS6312994U/ja
Application granted granted Critical
Publication of JPH0419919Y2 publication Critical patent/JPH0419919Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Transducers For Audible Bands (AREA)

Description

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

第１図は本考案に係る圧電型スピーカの断面図
、第２図は一部切欠斜視図、第３図は従来例の断
面図、第４図は実施例の周波数特性図である。 １は振動板、２は基板、３は弾性体、４は押え
棒、５は枠体である。 FIG. 1 is a sectional view of a piezoelectric speaker according to the present invention, FIG. 2 is a partially cutaway perspective view, FIG. 3 is a sectional view of a conventional example, and FIG. 4 is a frequency characteristic diagram of an embodiment. 1 is a diaphragm, 2 is a substrate, 3 is an elastic body, 4 is a presser bar, and 5 is a frame body.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 両面に電極を設けた可撓性を有する高分子圧電
性フイルムからなる振動板１、当該振動板１を貼
着伸長する貼着枠２ａを突設した基板２、当該基
板２と振動板１との間に充填されている低密度の
弾性体３、前記振動板１の複数箇所を不等間隔で
上面から弾性体３に押圧することにより振動板１
に張力を与える複数本の押え棒４、当該押え棒４
を振動板上に圧着保持する枠体５からなり、前記
振動板１を押え棒４により寸法不同の複数箇所に
区分すると共に各区分に所定の張力を与える様に
枠体５を基板２に取付けたことを特徴とする圧電
型スピーカ。 A diaphragm 1 made of a flexible polymeric piezoelectric film with electrodes on both sides, a substrate 2 with a sticking frame 2a protruding from which the diaphragm 1 is attached and extended, and the substrate 2 and the diaphragm 1. A low-density elastic body 3 filled between the diaphragm 1 and the diaphragm 1 are pressed against the elastic body 3 from above at a plurality of locations on the diaphragm 1 at unequal intervals.
a plurality of presser rods 4 that apply tension to the presser rods 4;
The diaphragm 1 is divided into a plurality of locations with different dimensions by a presser rod 4, and the frame 5 is attached to the substrate 2 so as to apply a predetermined tension to each section. A piezoelectric speaker characterized by:
JP10607986U 1986-07-09 1986-07-09 Expired JPH0419919Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10607986U JPH0419919Y2 (en) 1986-07-09 1986-07-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10607986U JPH0419919Y2 (en) 1986-07-09 1986-07-09

Publications (2)

Publication Number Publication Date
JPS6312994U true JPS6312994U (en) 1988-01-28
JPH0419919Y2 JPH0419919Y2 (en) 1992-05-07

Family

ID=30981112

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10607986U Expired JPH0419919Y2 (en) 1986-07-09 1986-07-09

Country Status (1)

Country Link
JP (1) JPH0419919Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014241628A (en) * 2011-09-30 2014-12-25 富士フイルム株式会社 Electroacoustic transducer and display device
JP2015109627A (en) * 2013-03-28 2015-06-11 富士フイルム株式会社 Electroacoustic conversion film, electroacoustic transducer, flexible display, and screen for projector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014241628A (en) * 2011-09-30 2014-12-25 富士フイルム株式会社 Electroacoustic transducer and display device
JP2015109627A (en) * 2013-03-28 2015-06-11 富士フイルム株式会社 Electroacoustic conversion film, electroacoustic transducer, flexible display, and screen for projector
US9440259B2 (en) 2013-03-28 2016-09-13 Fujifilm Corporation Electroacoustic conversion film, electroacoustic converter, flexible display, and projector screen

Also Published As

Publication number Publication date
JPH0419919Y2 (en) 1992-05-07

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