JPH0554320B2 - - Google Patents
Info
- Publication number
- JPH0554320B2 JPH0554320B2 JP63070645A JP7064588A JPH0554320B2 JP H0554320 B2 JPH0554320 B2 JP H0554320B2 JP 63070645 A JP63070645 A JP 63070645A JP 7064588 A JP7064588 A JP 7064588A JP H0554320 B2 JPH0554320 B2 JP H0554320B2
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- shielding plate
- piezoelectric transducer
- protrusion
- speaker
- 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.)
- Expired - Lifetime
Links
- 230000002093 peripheral effect Effects 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000000052 comparative effect Effects 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- NKZSPGSOXYXWQA-UHFFFAOYSA-N dioxido(oxo)titanium;lead(2+) Chemical compound [Pb+2].[O-][Ti]([O-])=O NKZSPGSOXYXWQA-UHFFFAOYSA-N 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7064588A JPH01243698A (ja) | 1988-03-24 | 1988-03-24 | 圧電スピーカ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7064588A JPH01243698A (ja) | 1988-03-24 | 1988-03-24 | 圧電スピーカ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01243698A JPH01243698A (ja) | 1989-09-28 |
JPH0554320B2 true JPH0554320B2 (pl) | 1993-08-12 |
Family
ID=13437592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7064588A Granted JPH01243698A (ja) | 1988-03-24 | 1988-03-24 | 圧電スピーカ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01243698A (pl) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09186A (ja) * | 1995-06-16 | 1997-01-07 | Makoto Suzuki | 米飯食品包装シート及び包装米飯食品 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69912416T2 (de) * | 1999-01-26 | 2004-08-19 | Koninklijke Philips Electronics N.V. | Vorrichtung mit einem gehäuse das einen tonwandler enthält und mit einer durchführung |
JP7455533B2 (ja) * | 2019-09-05 | 2024-03-26 | Tdk株式会社 | 音響デバイス |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63125500U (pl) * | 1987-02-09 | 1988-08-16 |
-
1988
- 1988-03-24 JP JP7064588A patent/JPH01243698A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09186A (ja) * | 1995-06-16 | 1997-01-07 | Makoto Suzuki | 米飯食品包装シート及び包装米飯食品 |
Also Published As
Publication number | Publication date |
---|---|
JPH01243698A (ja) | 1989-09-28 |
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