| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102111862ATW201440544A (en) | 2013-04-02 | 2013-04-02 | Improved method for speaker and the structure thereof |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102111862ATW201440544A (en) | 2013-04-02 | 2013-04-02 | Improved method for speaker and the structure thereof |
| Publication Number | Publication Date |
|---|---|
| TW201440544A TW201440544A (en) | 2014-10-16 |
| TWI498013Btrue TWI498013B (en) | 2015-08-21 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW102111862ATW201440544A (en) | 2013-04-02 | 2013-04-02 | Improved method for speaker and the structure thereof |
| Country | Link |
|---|---|
| TW (1) | TW201440544A (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030002697A1 (en)* | 2001-06-28 | 2003-01-02 | Timothy Mellow | Dual diaphragm speaker |
| US20030048920A1 (en)* | 2001-09-11 | 2003-03-13 | Van Halteren Aart Zeger | Electro-acoustic transducer with two diaphragms |
| US20030174856A1 (en)* | 2002-01-25 | 2003-09-18 | Leif Johannsen | Flexible diaphragm with integrated coil |
| TWM245710U (en)* | 2003-09-08 | 2004-10-01 | Meiloon Ind Co Ltd | Improved structure of single magnet loop and dual output speaker |
| WO2006049646A1 (en)* | 2004-10-29 | 2006-05-11 | Sony Ericsson Mobile Communications Ab | Dual-diaphragm speaker assemblies with acoustic passageways and mobile terminals including the same |
| US20080044044A1 (en)* | 2004-05-14 | 2008-02-21 | Madaffari Peter L | Dual Diaphragm Electroacoustic Transducer |
| US20080317255A1 (en)* | 2005-02-25 | 2008-12-25 | Nokia Corporation | Audio Transducer Component |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030002697A1 (en)* | 2001-06-28 | 2003-01-02 | Timothy Mellow | Dual diaphragm speaker |
| US20030048920A1 (en)* | 2001-09-11 | 2003-03-13 | Van Halteren Aart Zeger | Electro-acoustic transducer with two diaphragms |
| US20060050906A1 (en)* | 2001-09-11 | 2006-03-09 | Van Halteren Aart Z | Electro-acoustic transducer with two diaphragms |
| US20030174856A1 (en)* | 2002-01-25 | 2003-09-18 | Leif Johannsen | Flexible diaphragm with integrated coil |
| TWM245710U (en)* | 2003-09-08 | 2004-10-01 | Meiloon Ind Co Ltd | Improved structure of single magnet loop and dual output speaker |
| US20080044044A1 (en)* | 2004-05-14 | 2008-02-21 | Madaffari Peter L | Dual Diaphragm Electroacoustic Transducer |
| WO2006049646A1 (en)* | 2004-10-29 | 2006-05-11 | Sony Ericsson Mobile Communications Ab | Dual-diaphragm speaker assemblies with acoustic passageways and mobile terminals including the same |
| US20080317255A1 (en)* | 2005-02-25 | 2008-12-25 | Nokia Corporation | Audio Transducer Component |
| Publication number | Publication date |
|---|---|
| TW201440544A (en) | 2014-10-16 |
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |