BE336781A - - Google Patents
Info
- Publication number
- BE336781A BE336781A BE336781DA BE336781A BE 336781 A BE336781 A BE 336781A BE 336781D A BE336781D A BE 336781DA BE 336781 A BE336781 A BE 336781A
- Authority
- BE
- Belgium
- Prior art keywords
- horn
- sound
- bell
- deflector
- hole
- Prior art date
Links
- 238000010276 construction Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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
- G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
- G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE336781A true BE336781A (OSRAM) |
Family
ID=15011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE336781D BE336781A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE336781A (OSRAM) |
-
0
- BE BE336781D patent/BE336781A/fr unknown
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