JPH01122697U - - Google Patents
Info
- Publication number
- JPH01122697U JPH01122697U JP1825188U JP1825188U JPH01122697U JP H01122697 U JPH01122697 U JP H01122697U JP 1825188 U JP1825188 U JP 1825188U JP 1825188 U JP1825188 U JP 1825188U JP H01122697 U JPH01122697 U JP H01122697U
- Authority
- JP
- Japan
- Prior art keywords
- metal diaphragm
- terminal plate
- tongue
- electroacoustic transducer
- terminals
- 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
Links
- 239000002184 metal Substances 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Description
第１図は本考案の一実施例に係る圧電形電気音
響変換器の断面図、第２図は第１図の圧電形電気
音響変換器に用いられる絶縁フイルムを示す平面
図、第３図は第１図の圧電形電気音響変換器に用
いられる端子板の平面図である。また第４図は従
来の圧電形電気音響変換器の断面図である。
１：金属振動板、２：圧電セラミツク素子、２
ａ，２ｂ：電極、３：端子板、３ａ，３ｂ：小孔
、４：第１の端子、５：第２の端子、６：第１の
導電部、７：第２の導電部、８：絶縁フイルム、
８ａ，８ｂ：第１、第２の舌片、８ｇ，８ｈ：導
電層、９：金属ケース。
FIG. 1 is a sectional view of a piezoelectric electroacoustic transducer according to an embodiment of the present invention, FIG. 2 is a plan view showing an insulating film used in the piezoelectric electroacoustic transducer of FIG. 1, and FIG. FIG. 2 is a plan view of a terminal plate used in the piezoelectric electroacoustic transducer of FIG. 1; FIG. 4 is a cross-sectional view of a conventional piezoelectric electroacoustic transducer. 1: Metal diaphragm, 2: Piezoelectric ceramic element, 2
a, 2b: electrode, 3: terminal plate, 3a, 3b: small hole, 4: first terminal, 5: second terminal, 6: first conductive part, 7: second conductive part, 8: insulation film,
8a, 8b: first and second tongue pieces, 8g, 8h: conductive layer, 9: metal case.
Claims (1)
子を貼付けた金属振動板と、該金属振動板に対向
配置されかつ第１及び第２の端子を有する端子板
とを備えた圧電形電気音響変換器において、 各々表面が導電層をなし中心方向に延びた第１
及び第２の舌片を備えたリング状の絶縁フイルム
を、各導電層が各々上記第１、第２の端子に電気
的に接続するようにして上記金属振動板と端子板
との間に介在させ、かつ上記端子板の上記第１、
第２の舌片に対応する個所に、各々小孔を設け、
これら小孔を介して、第１の舌片の先端部を上記
セラミツク素子の他方の電極に、第２の舌片の先
端部を上記金属振動板に導電性接着剤で電気的に
接着固定したことを特徴とする圧電形電気音響変
換器。[Claims for Utility Model Registration] Comprising a metal diaphragm on which piezoelectric ceramic elements having paired electrodes are attached on both sides, and a terminal plate disposed opposite to the metal diaphragm and having first and second terminals. In a piezoelectric electroacoustic transducer, each of which has a conductive layer on its surface and extends toward the center.
and a ring-shaped insulating film having a second tongue piece is interposed between the metal diaphragm and the terminal plate such that each conductive layer is electrically connected to the first and second terminals. and the first part of the terminal plate,
A small hole is provided in each location corresponding to the second tongue piece,
Through these small holes, the tip of the first tongue was electrically bonded and fixed to the other electrode of the ceramic element, and the tip of the second tongue was electrically fixed to the metal diaphragm using a conductive adhesive. A piezoelectric electroacoustic transducer characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1825188U JPH01122697U (en) | 1988-02-15 | 1988-02-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1825188U JPH01122697U (en) | 1988-02-15 | 1988-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01122697U true JPH01122697U (en) | 1989-08-21 |
Family
ID=31232728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1825188U Pending JPH01122697U (en) | 1988-02-15 | 1988-02-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01122697U (en) |
-
1988
- 1988-02-15 JP JP1825188U patent/JPH01122697U/ja active Pending
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