DE3002843C2 - - Google Patents
Info
- Publication number
- DE3002843C2 DE3002843C2 DE19803002843 DE3002843A DE3002843C2 DE 3002843 C2 DE3002843 C2 DE 3002843C2 DE 19803002843 DE19803002843 DE 19803002843 DE 3002843 A DE3002843 A DE 3002843A DE 3002843 C2 DE3002843 C2 DE 3002843C2
- Authority
- DE
- Germany
- Prior art keywords
- pole core
- pole
- membrane
- core section
- magnet system
- 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
Links
- 239000012528 membrane Substances 0.000 claims description 18
- 230000004323 axial length Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000011162 core material Substances 0.000 description 36
- 239000011324 bead Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803002843 DE3002843A1 (de) | 1980-01-26 | 1980-01-26 | Doppel-ringspalt-magnetsystem fuer dynamische lautsprecher mit unterschiedlichen frequenzbereichen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19803002843 DE3002843A1 (de) | 1980-01-26 | 1980-01-26 | Doppel-ringspalt-magnetsystem fuer dynamische lautsprecher mit unterschiedlichen frequenzbereichen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3002843A1 DE3002843A1 (de) | 1981-07-30 |
| DE3002843C2 true DE3002843C2 (US06272168-20010807-M00014.png) | 1989-02-16 |
Family
ID=6093038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803002843 Granted DE3002843A1 (de) | 1980-01-26 | 1980-01-26 | Doppel-ringspalt-magnetsystem fuer dynamische lautsprecher mit unterschiedlichen frequenzbereichen |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3002843A1 (US06272168-20010807-M00014.png) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4590333A (en) * | 1984-06-14 | 1986-05-20 | John Strohbeen | Multidriver loudspeaker |
| AU580794B2 (en) * | 1984-09-03 | 1989-02-02 | Sanden Corporation | Dynamic transducer device |
| DE9210463U1 (de) * | 1992-08-05 | 1992-10-22 | Nokia (Deutschland) GmbH, 7530 Pforzheim | Koaxiallautsprecheranordnung |
| FR2859864B1 (fr) * | 2003-09-15 | 2005-12-30 | Cabasse Acoustic Ct | Haut-parleur et enceinte acoustique correspondante |
| ES2344756T3 (es) | 2007-08-14 | 2010-09-06 | Klaus Reck | Altavoz coaxial. |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE381511A (US06272168-20010807-M00014.png) * | 1930-08-14 | |||
| US2295527A (en) * | 1940-10-17 | 1942-09-15 | Bowley Eve Mary | Electrodynamic and electroacoustical apparatus |
| US4256930A (en) * | 1978-02-22 | 1981-03-17 | Tannoy Products Limited | Loudspeaker having improved magnetic assembly |
-
1980
- 1980-01-26 DE DE19803002843 patent/DE3002843A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3002843A1 (de) | 1981-07-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: WINDHORST BETEILIGUNGSGESELLSCHAFT MBH, 5300 BONN, |
|
| 8320 | Willingness to grant licenses declared (paragraph 23) | ||
| 8339 | Ceased/non-payment of the annual fee |