DE156071C - - Google Patents
Info
- Publication number
- DE156071C DE156071C DENDAT156071D DE156071DA DE156071C DE 156071 C DE156071 C DE 156071C DE NDAT156071 D DENDAT156071 D DE NDAT156071D DE 156071D A DE156071D A DE 156071DA DE 156071 C DE156071 C DE 156071C
- Authority
- DE
- Germany
- Prior art keywords
- funnel
- horn
- speaking
- housing
- machine
- 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.)
- Active
Links
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000007812 deficiency 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
- G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Catching Or Destruction (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE156071C true DE156071C (forum.php) |
Family
ID=422487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT156071D Active DE156071C (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE156071C (forum.php) |
-
0
- DE DENDAT156071D patent/DE156071C/de active Active
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