DE92255C - - Google Patents
Info
- Publication number
- DE92255C DE92255C DENDAT92255D DE92255DA DE92255C DE 92255 C DE92255 C DE 92255C DE NDAT92255 D DENDAT92255 D DE NDAT92255D DE 92255D A DE92255D A DE 92255DA DE 92255 C DE92255 C DE 92255C
- Authority
- DE
- Germany
- Prior art keywords
- coal
- damping
- liquids
- effected
- surround
- 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
- 239000003245 coal Substances 0.000 claims 3
- 238000013016 damping Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R21/00—Variable-resistance transducers
- H04R21/02—Microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE92255C true DE92255C (enrdf_load_stackoverflow) |
Family
ID=363799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT92255D Active DE92255C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE92255C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT92255D patent/DE92255C/de active Active
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