JPH02111997U - - Google Patents
Info
- Publication number
- JPH02111997U JPH02111997U JP1938789U JP1938789U JPH02111997U JP H02111997 U JPH02111997 U JP H02111997U JP 1938789 U JP1938789 U JP 1938789U JP 1938789 U JP1938789 U JP 1938789U JP H02111997 U JPH02111997 U JP H02111997U
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- piezoelectric elements
- diaphragm
- holder
- serves
- 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
- 238000010586 diagram Methods 0.000 description 1
Description
第１図ないし第４図は本考案の電気音響変換装
置の１実施例を示し、第１図は一部切断側面図、
第２図は一部の側面図、第３図ａ，ｂはそれぞれ
異なる状態の一部の側面図、第４図は再生周波数
特性図、第５図は従来例の側面図である。
５……枠体、６……導電性振動板、７ａ，７ｂ
……圧電型素子、８ａ，８ｂ……他方の電極。
1 to 4 show one embodiment of the electroacoustic transducer of the present invention, FIG. 1 is a partially cutaway side view,
FIG. 2 is a side view of a part, FIGS. 3a and 3b are side views of a part in different states, FIG. 4 is a reproduction frequency characteristic diagram, and FIG. 5 is a side view of a conventional example. 5... Frame body, 6... Conductive diaphragm, 7a, 7b
. . . Piezoelectric element, 8a, 8b . . . The other electrode.
Claims (1)
性振動板と、前記振動板の両面にそれぞれ一面が
接着された逆極性の２個の圧電型素子と、前記両
圧電型素子の他面にそれぞれ設けられた他方の電
極とを備えた電気音響変換装置。 A conductive diaphragm that also serves as one electrode held by a holder, two piezoelectric elements of opposite polarity each having one side bonded to both sides of the diaphragm, and each piezoelectric element provided on the other side of both piezoelectric elements. and the other electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1938789U JPH02111997U (en) | 1989-02-20 | 1989-02-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1938789U JPH02111997U (en) | 1989-02-20 | 1989-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02111997U true JPH02111997U (en) | 1990-09-07 |
Family
ID=31234853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1938789U Pending JPH02111997U (en) | 1989-02-20 | 1989-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02111997U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015125370A1 (en) * | 2014-02-24 | 2015-08-27 | 京セラ株式会社 | Acoustic generator, acoustic generation apparatus, portable terminal, and electronic apparatus |
-
1989
- 1989-02-20 JP JP1938789U patent/JPH02111997U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015125370A1 (en) * | 2014-02-24 | 2015-08-27 | 京セラ株式会社 | Acoustic generator, acoustic generation apparatus, portable terminal, and electronic apparatus |
| JP5898384B2 (en) * | 2014-02-24 | 2016-04-06 | 京セラ株式会社 | Sound generator, sound generator, portable terminal, and electronic device |
| US9967676B2 (en) | 2014-02-24 | 2018-05-08 | Kyocera Corporation | Acoustic generator, acoustic generation apparatus, portable terminal, and electronic apparatus |
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