BE391731A - - Google Patents
Info
- Publication number
- BE391731A BE391731A BE391731DA BE391731A BE 391731 A BE391731 A BE 391731A BE 391731D A BE391731D A BE 391731DA BE 391731 A BE391731 A BE 391731A
- Authority
- BE
- Belgium
- Prior art keywords
- reflector
- sound
- reflectors
- specified
- patents
- Prior art date
Links
- 239000012528 membrane Substances 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims 2
- 238000012986 modification Methods 0.000 claims 2
- 241001416537 Gliridae Species 0.000 claims 1
- 238000010276 construction Methods 0.000 claims 1
- 241000218220 Ulmaceae Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000015654 memory Effects 0.000 description 1
- 239000000523 sample Substances 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
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE391731A true BE391731A (enrdf_load_stackoverflow) |
Family
ID=59464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE391731D BE391731A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE391731A (enrdf_load_stackoverflow) |
-
0
- BE BE391731D patent/BE391731A/fr unknown
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