DE262517C - - Google Patents
Info
- Publication number
- DE262517C DE262517C DENDAT262517D DE262517DA DE262517C DE 262517 C DE262517 C DE 262517C DE NDAT262517 D DENDAT262517 D DE NDAT262517D DE 262517D A DE262517D A DE 262517DA DE 262517 C DE262517 C DE 262517C
- Authority
- DE
- Germany
- Prior art keywords
- bell
- housing
- horn
- speaking
- widest
- 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
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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
- G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Toys (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE262517C true DE262517C (cs) |
Family
ID=519973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT262517D Active DE262517C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE262517C (cs) |
-
0
- DE DENDAT262517D patent/DE262517C/de active Active
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