FR919116A - Acoustic furniture - Google Patents
Acoustic furnitureInfo
- Publication number
- FR919116A FR919116A FR919116DA FR919116A FR 919116 A FR919116 A FR 919116A FR 919116D A FR919116D A FR 919116DA FR 919116 A FR919116 A FR 919116A
- Authority
- FR
- France
- Prior art keywords
- furniture
- acoustic
- acoustic furniture
- 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; 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
- H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
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 |
|---|---|---|---|
| FR919116T | 1945-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR919116A true FR919116A (en) | 1947-02-27 |
Family
ID=9424845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR919116D Expired FR919116A (en) | 1945-12-18 | 1945-12-18 | Acoustic furniture |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR919116A (en) |
-
1945
- 1945-12-18 FR FR919116D patent/FR919116A/en not_active Expired
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