BE413120A - - Google Patents
Info
- Publication number
- BE413120A BE413120A BE413120DA BE413120A BE 413120 A BE413120 A BE 413120A BE 413120D A BE413120D A BE 413120DA BE 413120 A BE413120 A BE 413120A
- 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
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/127—Non-planar diaphragms or cones dome-shaped
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- 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
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/045—Mounting
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- 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
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3470235A GB460064A (en) | 1935-12-13 | 1935-12-13 | Electro-dynamic devices for interconverting electrical oscillations and sound waves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE413120A true BE413120A (OSRAM) |
Family
ID=10368896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE413120D BE413120A (OSRAM) | 1935-12-13 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE413120A (OSRAM) |
| FR (1) | FR800171A (OSRAM) |
| GB (1) | GB460064A (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB686743A (en) * | 1947-08-27 | 1953-01-28 | Magnavox Australia Pty Ltd | Improvements in loud speakers |
| US2553150A (en) * | 1949-10-28 | 1951-05-15 | Edison Inc Thomas A | Permanent magnet electrodynamic transducer |
| US3991286A (en) * | 1975-06-02 | 1976-11-09 | Altec Corporation | Heat dissipating device for loudspeaker voice coil |
-
0
- BE BE413120D patent/BE413120A/xx unknown
-
1935
- 1935-12-13 GB GB3470235A patent/GB460064A/en not_active Expired
- 1935-12-31 FR FR800171D patent/FR800171A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR800171A (fr) | 1936-06-29 |
| GB460064A (en) | 1937-01-20 |