BE815469A - NEW SOUND REPRODUCTION SYSTEM. - Google Patents
NEW SOUND REPRODUCTION SYSTEM.Info
- Publication number
- BE815469A BE815469A BE144686A BE144686A BE815469A BE 815469 A BE815469 A BE 815469A BE 144686 A BE144686 A BE 144686A BE 144686 A BE144686 A BE 144686A BE 815469 A BE815469 A BE 815469A
- Authority
- BE
- Belgium
- Prior art keywords
- sound reproduction
- reproduction system
- new sound
- new
- sound
- Prior art date
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
- H04R7/26—Damping by means acting directly on free portion of diaphragm or cone
-
- 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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/021—Casings; Cabinets ; Supports therefor; Mountings therein incorporating only one transducer
-
- 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
- H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
- H04R7/125—Non-planar diaphragms or cones comprising a plurality of sections or layers comprising a plurality of superposed layers in contact
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE144686A BE815469A (en) | 1974-05-24 | 1974-05-24 | NEW SOUND REPRODUCTION SYSTEM. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE144686A BE815469A (en) | 1974-05-24 | 1974-05-24 | NEW SOUND REPRODUCTION SYSTEM. |
BE815469 | 1974-05-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE815469A true BE815469A (en) | 1974-11-25 |
Family
ID=25647899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE144686A BE815469A (en) | 1974-05-24 | 1974-05-24 | NEW SOUND REPRODUCTION SYSTEM. |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE815469A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0007569A1 (en) * | 1978-07-27 | 1980-02-06 | Antoine Grootaers | Loudspeaker box |
-
1974
- 1974-05-24 BE BE144686A patent/BE815469A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0007569A1 (en) * | 1978-07-27 | 1980-02-06 | Antoine Grootaers | Loudspeaker box |
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