DE3923189C2 - - Google Patents
Info
- Publication number
- DE3923189C2 DE3923189C2 DE19893923189 DE3923189A DE3923189C2 DE 3923189 C2 DE3923189 C2 DE 3923189C2 DE 19893923189 DE19893923189 DE 19893923189 DE 3923189 A DE3923189 A DE 3923189A DE 3923189 C2 DE3923189 C2 DE 3923189C2
- Authority
- DE
- Germany
- Prior art keywords
- profile
- membrane
- base body
- section
- loudspeaker according
- 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 - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/06—Plane diaphragms comprising a plurality of sections or layers
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19893923189 DE3923189A1 (de) | 1989-07-13 | 1989-07-13 | Lautsprecher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19893923189 DE3923189A1 (de) | 1989-07-13 | 1989-07-13 | Lautsprecher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3923189A1 DE3923189A1 (de) | 1991-01-24 |
| DE3923189C2 true DE3923189C2 (enExample) | 1991-12-05 |
Family
ID=6384959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19893923189 Granted DE3923189A1 (de) | 1989-07-13 | 1989-07-13 | Lautsprecher |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3923189A1 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2718595B1 (fr) * | 1994-03-04 | 1996-06-07 | Tsao Ye Ming | Panneau sonore ondulé à double commande. |
| US7225895B2 (en) | 1998-11-30 | 2007-06-05 | Joseph Yaacoub Sahyoun | Audio speaker with wobble free voice coil movement |
| US20040188175A1 (en) | 1998-11-30 | 2004-09-30 | Sahyoun Joseph Yaacoub | 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 |
| US6044925A (en) * | 1998-11-30 | 2000-04-04 | Sahyoun; Joseph Yaacoub | Passive speaker |
| DE19940930A1 (de) * | 1999-08-27 | 2001-03-29 | Harman Audio Electronic Sys | Elektrodynamischer Treiber |
| US8204269B2 (en) | 2008-08-08 | 2012-06-19 | Sahyoun Joseph Y | Low profile audio speaker with minimization of voice coil wobble, protection and cooling |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3242630A1 (de) * | 1982-11-18 | 1984-05-24 | Norbert 7239 Epfendorf Schäfer | Verfahren zur herstellung eines lautsprechers mit mehreren verteilten elektrodynamischen systemen |
-
1989
- 1989-07-13 DE DE19893923189 patent/DE3923189A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3923189A1 (de) | 1991-01-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |