FR546383A - Acoustic device for motor cars - Google Patents
Acoustic device for motor carsInfo
- Publication number
- FR546383A FR546383A FR546383DA FR546383A FR 546383 A FR546383 A FR 546383A FR 546383D A FR546383D A FR 546383DA FR 546383 A FR546383 A FR 546383A
- Authority
- FR
- France
- Prior art keywords
- acoustic device
- motor cars
- cars
- motor
- acoustic
- 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/22—Methods or devices for transmitting, conducting or directing sound for conducting sound through hollow pipes, e.g. speaking tubes
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR546383T | 1922-01-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR546383A true FR546383A (en) | 1922-11-08 |
Family
ID=8933506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR546383D Expired FR546383A (en) | 1922-01-26 | 1922-01-26 | Acoustic device for motor cars |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR546383A (en) |
-
1922
- 1922-01-26 FR FR546383D patent/FR546383A/en not_active Expired
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