JPH0244499U - - Google Patents
Info
- Publication number
- JPH0244499U JPH0244499U JP12218488U JP12218488U JPH0244499U JP H0244499 U JPH0244499 U JP H0244499U JP 12218488 U JP12218488 U JP 12218488U JP 12218488 U JP12218488 U JP 12218488U JP H0244499 U JPH0244499 U JP H0244499U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- sounding body
- piezoelectric sounding
- cylindrical resin
- body according
- 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
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000005192 partition Methods 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims 1
- 230000003321 amplification Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
- Telephone Set Structure (AREA)
Description
第１図は本考案の一実施例による圧電発音体の
構造を示す断面図、第２図は本考案の他の実施例
による圧電発音体の構造を示す断面図、第３図は
本考案の他の実施例による圧電発音体の構造を示
す断面図、第４図は本考案の一実施例による圧電
発音体を電話機に取付けた場合の構造を示す断面
図、第５図ａ，ｂ，ｃはそれぞれ別々に組立てら
れた従来のリンガー用圧電発音体、キートーン用
圧電発音体および受話音拡声用スピーカの構造を
示す断面図である。
１，１１，２１……圧電セラミツク素子、２，
１２，２２……金属基板、３，１３……樹脂ケー
ス、４，１４……裏ぶた、５，２５，３２……リ
ード線、６，１６，４６，５０……小孔、７，１
７，２７，４７，５１……圧電振動板、１５……
入力端子、２３……金属フレーム、２４……発泡
プラスチツク、３１……筒状の樹脂体、３６……
隔壁、３７……スリツトまたは穿孔、４１……下
ケース、４２……圧電発音体、４３……上ケース
、４４，４５……突起、４８……放音孔、４９…
…リング。
FIG. 1 is a cross-sectional view showing the structure of a piezoelectric sounding body according to one embodiment of the present invention, FIG. 2 is a cross-sectional view showing the structure of a piezoelectric sounding body according to another embodiment of the present invention, and FIG. 4 is a sectional view showing the structure of a piezoelectric sounding body according to another embodiment of the present invention; FIG. 4 is a sectional view showing the structure when the piezoelectric sounding body according to an embodiment of the present invention is attached to a telephone; 1 is a cross-sectional view showing the structures of a conventional ringer piezoelectric sounding body, a keytone piezoelectric sounding body, and a received voice amplification speaker, which are assembled separately. 1, 11, 21...piezoelectric ceramic element, 2,
12, 22... Metal board, 3, 13... Resin case, 4, 14... Back cover, 5, 25, 32... Lead wire, 6, 16, 46, 50... Small hole, 7, 1
7, 27, 47, 51... piezoelectric diaphragm, 15...
Input terminal, 23...metal frame, 24...foamed plastic, 31...cylindrical resin body, 36...
Partition wall, 37...Slit or perforation, 41...Lower case, 42...Piezoelectric sounding body, 43...Upper case, 44, 45...Protrusion, 48...Sound emission hole, 49...
…ring.
Claims (1)
た圧電振動板を複数備え、筒状の樹脂体の端面お
よび側面に固定したことを特徴とする圧電発音体
。 (2) 前記圧電振動板の一部は、発泡プラスチツ
クでその周辺を筒状の樹脂体の端面に固定したこ
とを特徴とする請求項(1)記載の圧電発音体。 (3) 前記筒状の樹脂体は、その中央付近に隔壁
を設けたことを特徴とする請求項(1)記載の圧電
発音体。 (4) 電話機本体の上下ケースの間に挟み、上ケ
ースと下ケースの少なくとも一方には共鳴箱を形
成して使用することを特徴とする請求項(1)記載
の圧電発音体。[Claims for Utility Model Registration] (1) A piezoelectric sounding body characterized by comprising a plurality of piezoelectric diaphragms in which piezoelectric ceramic elements are bonded to a metal substrate and fixed to the end and side surfaces of a cylindrical resin body. (2) The piezoelectric sounding body according to claim 1, wherein a portion of the piezoelectric diaphragm is fixed at its periphery to an end surface of a cylindrical resin body using foamed plastic. (3) The piezoelectric sounding body according to claim (1), wherein the cylindrical resin body is provided with a partition near the center thereof. (4) The piezoelectric sounding body according to claim (1), wherein the piezoelectric sounding body is used by being sandwiched between upper and lower cases of a telephone main body, and forming a resonance box in at least one of the upper case and the lower case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12218488U JPH0244499U (en) | 1988-09-20 | 1988-09-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12218488U JPH0244499U (en) | 1988-09-20 | 1988-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0244499U true JPH0244499U (en) | 1990-03-27 |
Family
ID=31369874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12218488U Pending JPH0244499U (en) | 1988-09-20 | 1988-09-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0244499U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009063905A1 (en) * | 2007-11-12 | 2009-05-22 | Nec Corporation | Piezoelectric acoustic device and electronic apparatus |
| JP5812009B2 (en) * | 2010-11-01 | 2015-11-11 | 日本電気株式会社 | Oscillator and electronic device |
-
1988
- 1988-09-20 JP JP12218488U patent/JPH0244499U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009063905A1 (en) * | 2007-11-12 | 2009-05-22 | Nec Corporation | Piezoelectric acoustic device and electronic apparatus |
| JP5428861B2 (en) * | 2007-11-12 | 2014-02-26 | 日本電気株式会社 | Piezoelectric acoustic element and electronic device |
| JP5812009B2 (en) * | 2010-11-01 | 2015-11-11 | 日本電気株式会社 | Oscillator and electronic device |
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