DE121512C - - Google Patents
Info
- Publication number
- DE121512C DE121512C DENDAT121512D DE121512DA DE121512C DE 121512 C DE121512 C DE 121512C DE NDAT121512 D DENDAT121512 D DE NDAT121512D DE 121512D A DE121512D A DE 121512DA DE 121512 C DE121512 C DE 121512C
- Authority
- DE
- Germany
- Prior art keywords
- record
- container
- center
- grain
- damping
- 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
- 238000013016 damping Methods 0.000 claims description 3
- 239000003245 coal Substances 0.000 claims 1
- 230000000284 resting effect Effects 0.000 claims 1
- 239000002775 capsule Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/26—Damping by means acting directly on free portion of diaphragm or cone
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE121512C true DE121512C (cs) |
Family
ID=390500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT121512D Active DE121512C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE121512C (cs) |
-
0
- DE DENDAT121512D patent/DE121512C/de active Active
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