FR8535E - Dispositif de parleur à air comprimé - Google Patents
Dispositif de parleur à air compriméInfo
- Publication number
- FR8535E FR8535E FR8535DA FR8535E FR 8535 E FR8535 E FR 8535E FR 8535D A FR8535D A FR 8535DA FR 8535 E FR8535 E FR 8535E
- Authority
- FR
- France
- Prior art keywords
- compressed air
- loudspeaker device
- air loudspeaker
- compressed
- 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
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR373539T | 1907-01-11 | ||
| FR8535T | 1907-02-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR8535E true FR8535E (fr) | 1908-04-28 |
Family
ID=1351209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8535D Expired FR8535E (fr) | 1907-01-11 | 1907-02-13 | Dispositif de parleur à air comprimé |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR8535E (fr) |
-
1907
- 1907-02-13 FR FR8535D patent/FR8535E/fr not_active Expired
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