FR908148A - Ensemble haut-parleur non directif - Google Patents
Ensemble haut-parleur non directifInfo
- Publication number
- FR908148A FR908148A FR908148DA FR908148A FR 908148 A FR908148 A FR 908148A FR 908148D A FR908148D A FR 908148DA FR 908148 A FR908148 A FR 908148A
- Authority
- FR
- France
- Prior art keywords
- loudspeaker assembly
- directive
- directive loudspeaker
- assembly
- loudspeaker
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
- H04R1/345—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 for loudspeakers
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR908148T | 1944-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR908148A true FR908148A (fr) | 1946-04-01 |
Family
ID=9406882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR908148D Expired FR908148A (fr) | 1944-06-07 | 1944-06-07 | Ensemble haut-parleur non directif |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR908148A (fr) |
-
1944
- 1944-06-07 FR FR908148D patent/FR908148A/fr not_active Expired
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