JPH0157896U - - Google Patents
Info
- Publication number
- JPH0157896U JPH0157896U JP15166487U JP15166487U JPH0157896U JP H0157896 U JPH0157896 U JP H0157896U JP 15166487 U JP15166487 U JP 15166487U JP 15166487 U JP15166487 U JP 15166487U JP H0157896 U JPH0157896 U JP H0157896U
- Authority
- JP
- Japan
- Prior art keywords
- metal
- back side
- attached
- electroacoustic transducer
- electrode
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Description
第１〜３図は本考案の実施例を示し、第１図は
振動板の裏面図、第２図は第１図のＡ―Ａ断面図
、第３図はこの振動板を使用した圧電型電気音響
変換器の縦断面図、第４図は従来の同じ型の変換
器の縦断面図である。
ａ……振動板、１……セラミツク板、２……金
属板、３……フレーム、４……プリント基板、５
……金属ケース、６……音孔、７……電極、８…
…接片、９……カーボンの電極。
Figures 1 to 3 show examples of the present invention, Figure 1 is a back view of the diaphragm, Figure 2 is a sectional view taken along line AA in Figure 1, and Figure 3 is a piezoelectric type using this diaphragm. A vertical cross-sectional view of an electroacoustic transducer. FIG. 4 is a vertical cross-sectional view of a conventional transducer of the same type. a... Vibration plate, 1... Ceramic plate, 2... Metal plate, 3... Frame, 4... Printed circuit board, 5
...Metal case, 6...Sound hole, 7...Electrode, 8...
...Touch piece, 9...Carbon electrode.
Claims (1)
着し、セラミツク板１の裏面に金属の電極７を添
着し、この金属の電極７の上に金属の接片８を弾
接させるカーボンの電極９を添着して成る圧電型
電気音響変換器の振動板。 A thin ceramic plate 1 is attached to the back side of a thin metal plate 2, a metal electrode 7 is attached to the back side of the ceramic plate 1, and a carbon electrode 9 is made to make elastic contact with a metal contact piece 8 on the metal electrode 7. A diaphragm for a piezoelectric electroacoustic transducer, which is made of a piezoelectric electroacoustic transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15166487U JPH0157896U (en) | 1987-10-05 | 1987-10-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15166487U JPH0157896U (en) | 1987-10-05 | 1987-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0157896U true JPH0157896U (en) | 1989-04-11 |
Family
ID=31425906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15166487U Pending JPH0157896U (en) | 1987-10-05 | 1987-10-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0157896U (en) |
-
1987
- 1987-10-05 JP JP15166487U patent/JPH0157896U/ja active Pending
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