DE225622C - - Google Patents
Info
- Publication number
- DE225622C DE225622C DENDAT225622D DE225622DA DE225622C DE 225622 C DE225622 C DE 225622C DE NDAT225622 D DENDAT225622 D DE NDAT225622D DE 225622D A DE225622D A DE 225622DA DE 225622 C DE225622 C DE 225622C
- Authority
- DE
- Germany
- Prior art keywords
- sound box
- sound
- central axis
- record
- describes
- 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
- 239000004927 clay Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 1
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
- G11B3/02—Arrangements of heads
Landscapes
- Accessory Devices And Overall Control Thereof (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE225622C true DE225622C (forum.php) |
Family
ID=486241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT225622D Active DE225622C (forum.php) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE225622C (forum.php) |
-
0
- DE DENDAT225622D patent/DE225622C/de active Active
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