DE247700C - - Google Patents
Info
- Publication number
- DE247700C DE247700C DENDAT247700D DE247700DA DE247700C DE 247700 C DE247700 C DE 247700C DE NDAT247700 D DENDAT247700 D DE NDAT247700D DE 247700D A DE247700D A DE 247700DA DE 247700 C DE247700 C DE 247700C
- Authority
- DE
- Germany
- Prior art keywords
- sound
- sound box
- sleeve
- holder
- boxes
- 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
- 239000012528 membrane Substances 0.000 claims description 4
- 239000004927 clay Substances 0.000 claims description 3
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
- G11B3/44—Styli, e.g. sapphire, diamond
- G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
- Casings For Electric Apparatus (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE247700C true DE247700C (enrdf_load_html_response) |
Family
ID=506470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT247700D Active DE247700C (enrdf_load_html_response) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE247700C (enrdf_load_html_response) |
-
0
- DE DENDAT247700D patent/DE247700C/de active Active
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