JPH01209899A - 圧電型受話器 - Google Patents
圧電型受話器Info
- Publication number
- JPH01209899A JPH01209899A JP3430688A JP3430688A JPH01209899A JP H01209899 A JPH01209899 A JP H01209899A JP 3430688 A JP3430688 A JP 3430688A JP 3430688 A JP3430688 A JP 3430688A JP H01209899 A JPH01209899 A JP H01209899A
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- diaphragm
- resonance frequency
- frequency
- band
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 claims abstract description 29
- 229910052751 metal Inorganic materials 0.000 claims abstract description 29
- 230000035945 sensitivity Effects 0.000 abstract description 28
- 238000007599 discharging Methods 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- 229910052737 gold Inorganic materials 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3430688A JPH01209899A (ja) | 1988-02-17 | 1988-02-17 | 圧電型受話器 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3430688A JPH01209899A (ja) | 1988-02-17 | 1988-02-17 | 圧電型受話器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01209899A true JPH01209899A (ja) | 1989-08-23 |
| JPH0520956B2 JPH0520956B2 (en]) | 1993-03-22 |
Family
ID=12410475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3430688A Granted JPH01209899A (ja) | 1988-02-17 | 1988-02-17 | 圧電型受話器 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01209899A (en]) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010257258A (ja) * | 2009-04-24 | 2010-11-11 | Panasonic Electric Works Co Ltd | 煙感知器 |
-
1988
- 1988-02-17 JP JP3430688A patent/JPH01209899A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010257258A (ja) * | 2009-04-24 | 2010-11-11 | Panasonic Electric Works Co Ltd | 煙感知器 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0520956B2 (en]) | 1993-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4641054A (en) | Piezoelectric electro-acoustic transducer | |
| US6522759B1 (en) | Speaker | |
| JP3180646B2 (ja) | スピーカ | |
| JPH09327091A (ja) | 圧電スピーカ | |
| CN107409259B (zh) | 电子音响变换装置 | |
| JP3362997B2 (ja) | 圧電音響装置 | |
| JP2653219B2 (ja) | スピーカシステム | |
| JPH03247099A (ja) | スピーカ | |
| JPH09327094A (ja) | 圧電スピーカ | |
| JPH01209899A (ja) | 圧電型受話器 | |
| JPS635354Y2 (en]) | ||
| JP2921301B2 (ja) | 圧電型電気音響変換器 | |
| JPH0638399U (ja) | 圧電変換器 | |
| JP3365123B2 (ja) | ダブルコーンスピーカ | |
| JPS61150500A (ja) | 複合形圧電スピ−カ | |
| JP2002369291A (ja) | 圧電スピーカ | |
| US20060096803A1 (en) | Loudspeaker having an outer edge | |
| JP3180787B2 (ja) | スピーカ | |
| JPH03186100A (ja) | 圧電受話器 | |
| JPS61208399A (ja) | 圧電スピ−カ | |
| JPH07203590A (ja) | 圧電受話器 | |
| JPH04170200A (ja) | 指向性ダイナミックマイクロホンユニット | |
| JPH01209898A (ja) | 圧電型電気音響変換器 | |
| JPS6342636Y2 (en]) | ||
| JPH0525238B2 (en]) |