第1図は本考案のスピーカの一実施例を示す半
断面図、第2図、第3図は同スピーカに用いるダ
ンパーを示す半断面図、第4図は同ダンパーの変
位特性図、第5図は従来のスピーカの半断面図、
第6図は同スピーカに用いるダンパーの動作を示
す説明図である。  15……界磁部、16……フレーム、18……
振動板、19……ボイスコイル、20……ダンパ
ー、20a,20b……ダンパー構成体、20c
……布入りベーク板、21……磁気ギヤツプ。  FIG. 1 is a half-sectional view showing an embodiment of the speaker of the present invention, FIGS. 2 and 3 are half-sectional views showing a damper used in the speaker, FIG. 4 is a displacement characteristic diagram of the same damper, and FIG. The figure is a half-sectional view of a conventional speaker.
 FIG. 6 is an explanatory diagram showing the operation of a damper used in the speaker. 15... Field part, 16... Frame, 18...
 Vibration plate, 19... Voice coil, 20... Damper, 20a, 20b... Damper structure, 20c
 ...Fabric baking board, 21...Magnetic gap.
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| JP4120589UJPH02133097U (en) | 1989-04-07 | 1989-04-07 | 
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| JP4120589UJPH02133097U (en) | 1989-04-07 | 1989-04-07 | 
| Publication Number | Publication Date | 
|---|---|
| JPH02133097Utrue JPH02133097U (en) | 1990-11-05 | 
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| JP4120589UPendingJPH02133097U (en) | 1989-04-07 | 1989-04-07 | 
| Country | Link | 
|---|---|
| JP (1) | JPH02133097U (en) | 
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| JP2005303895A (en)* | 2004-04-15 | 2005-10-27 | Pioneer Electronic Corp | Damper, diaphragm, and speaker device | 
| WO2007034751A1 (en)* | 2005-09-21 | 2007-03-29 | Matsushita Electric Industrial Co., Ltd. | Speaker damper and speaker using the same | 
| WO2007037115A1 (en)* | 2005-09-27 | 2007-04-05 | Matsushita Electric Industrial Co., Ltd. | Speaker | 
| WO2007066561A1 (en) | 2005-12-07 | 2007-06-14 | Matsushita Electric Industrial Co., Ltd. | Speaker | 
| WO2007083607A1 (en)* | 2006-01-17 | 2007-07-26 | Matsushita Electric Industrial Co., Ltd. | Speaker | 
| JP2007194699A (en)* | 2006-01-17 | 2007-08-02 | Matsushita Electric Ind Co Ltd | Speaker | 
| WO2007091515A1 (en)* | 2006-02-09 | 2007-08-16 | Matsushita Electric Industrial Co., Ltd. | Speaker | 
| JP2007208877A (en)* | 2006-02-06 | 2007-08-16 | Matsushita Electric Ind Co Ltd | Speaker | 
| WO2007114434A1 (en)* | 2006-04-04 | 2007-10-11 | Panasonic Corporation | Damper for speaker and speaker using the damper | 
| WO2007129685A1 (en)* | 2006-05-10 | 2007-11-15 | Panasonic Corporation | Speaker | 
| WO2011001498A1 (en)* | 2009-06-29 | 2011-01-06 | パイオニア株式会社 | Speaker damper and speaker device | 
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| JP2005303895A (en)* | 2004-04-15 | 2005-10-27 | Pioneer Electronic Corp | Damper, diaphragm, and speaker device | 
| WO2007034751A1 (en)* | 2005-09-21 | 2007-03-29 | Matsushita Electric Industrial Co., Ltd. | Speaker damper and speaker using the same | 
| US8085970B2 (en) | 2005-09-21 | 2011-12-27 | Panasonic Corporation | Speaker damper and speaker using the same | 
| KR100899464B1 (en)* | 2005-09-21 | 2009-05-27 | 파나소닉 주식회사 | Speaker damper and speaker using the same | 
| KR100897686B1 (en)* | 2005-09-27 | 2009-05-14 | 파나소닉 주식회사 | Speaker | 
| WO2007037115A1 (en)* | 2005-09-27 | 2007-04-05 | Matsushita Electric Industrial Co., Ltd. | Speaker | 
| JP2007096436A (en)* | 2005-09-27 | 2007-04-12 | Matsushita Electric Ind Co Ltd | Speaker | 
| US8355523B2 (en) | 2005-09-27 | 2013-01-15 | Panasonic Corporation | Speaker | 
| JP2007158883A (en)* | 2005-12-07 | 2007-06-21 | Matsushita Electric Ind Co Ltd | Speaker | 
| WO2007066561A1 (en) | 2005-12-07 | 2007-06-14 | Matsushita Electric Industrial Co., Ltd. | Speaker | 
| KR100906274B1 (en)* | 2005-12-07 | 2009-07-06 | 파나소닉 주식회사 | Speaker | 
| WO2007083607A1 (en)* | 2006-01-17 | 2007-07-26 | Matsushita Electric Industrial Co., Ltd. | Speaker | 
| JP2007194698A (en)* | 2006-01-17 | 2007-08-02 | Matsushita Electric Ind Co Ltd | Speaker | 
| JP2007194699A (en)* | 2006-01-17 | 2007-08-02 | Matsushita Electric Ind Co Ltd | Speaker | 
| KR100930748B1 (en)* | 2006-01-17 | 2009-12-09 | 파나소닉 주식회사 | speaker | 
| JP2007208877A (en)* | 2006-02-06 | 2007-08-16 | Matsushita Electric Ind Co Ltd | Speaker | 
| WO2007091513A1 (en)* | 2006-02-06 | 2007-08-16 | Matsushita Electric Industrial Co., Ltd. | Speaker | 
| WO2007091515A1 (en)* | 2006-02-09 | 2007-08-16 | Matsushita Electric Industrial Co., Ltd. | Speaker | 
| WO2007114434A1 (en)* | 2006-04-04 | 2007-10-11 | Panasonic Corporation | Damper for speaker and speaker using the damper | 
| US8041068B2 (en) | 2006-05-10 | 2011-10-18 | Panasonic Corporation | Loudspeaker | 
| EP1881734A4 (en)* | 2006-05-10 | 2010-07-21 | Panasonic Corp | LOUD SPEAKER | 
| WO2007129685A1 (en)* | 2006-05-10 | 2007-11-15 | Panasonic Corporation | Speaker | 
| WO2011001498A1 (en)* | 2009-06-29 | 2011-01-06 | パイオニア株式会社 | Speaker damper and speaker device | 
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