BE428291A - - Google Patents
Info
- Publication number
- BE428291A BE428291A BE428291DA BE428291A BE 428291 A BE428291 A BE 428291A BE 428291D A BE428291D A BE 428291DA BE 428291 A BE428291 A BE 428291A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US145168A US2234007A (en) | 1937-05-28 | 1937-05-28 | Acoustical apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE428291A true BE428291A (US06653308-20031125-C00173.png) |
Family
ID=22511894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE428291D BE428291A (US06653308-20031125-C00173.png) | 1937-05-28 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2234007A (US06653308-20031125-C00173.png) |
| BE (1) | BE428291A (US06653308-20031125-C00173.png) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2549139A (en) * | 1947-06-17 | 1951-04-17 | Stevens Products Inc | Cone diaphragm for loud-speakers |
| DE1094304B (de) * | 1956-01-11 | 1960-12-08 | Peter Grassmann | Elektrodynamischer Lautsprecher mit Konusmembran |
| US5748759A (en) * | 1995-04-05 | 1998-05-05 | Carver Corporation | Loud speaker structure |
| US20040188175A1 (en) * | 1998-11-30 | 2004-09-30 | Sahyoun Joseph Yaacoub | Audio speaker with wobble free voice coil movement |
| US7225895B2 (en) * | 1998-11-30 | 2007-06-05 | Joseph Yaacoub Sahyoun | Audio speaker with wobble free voice coil movement |
| US7185735B2 (en) * | 1998-11-30 | 2007-03-06 | Joseph Yaacoub Sahyoun | Audio speaker with wobble free voice coil movement |
| US6490363B1 (en) * | 1999-10-13 | 2002-12-03 | Chun-I Liu | Structure of speaker |
| US6577742B1 (en) * | 2001-05-24 | 2003-06-10 | Paul F. Bruney | Membrane support system |
| EP1484941B1 (en) * | 2003-06-04 | 2006-09-27 | Harman/Becker Automotive Systems GmbH | Loudspeaker |
| US8204269B2 (en) * | 2008-08-08 | 2012-06-19 | Sahyoun Joseph Y | Low profile audio speaker with minimization of voice coil wobble, protection and cooling |
| US8540049B2 (en) * | 2010-12-23 | 2013-09-24 | Bose Corporation | Acoustic diaphragm suspending |
| CN202949560U (zh) * | 2012-11-16 | 2013-05-22 | 瑞声声学科技(常州)有限公司 | 发声器 |
-
0
- BE BE428291D patent/BE428291A/xx unknown
-
1937
- 1937-05-28 US US145168A patent/US2234007A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US2234007A (en) | 1941-03-04 |
