DE247164C - - Google Patents
Info
- Publication number
- DE247164C DE247164C DENDAT247164D DE247164DA DE247164C DE 247164 C DE247164 C DE 247164C DE NDAT247164 D DENDAT247164 D DE NDAT247164D DE 247164D A DE247164D A DE 247164DA DE 247164 C DE247164 C DE 247164C
- Authority
- DE
- Germany
- Prior art keywords
- tape
- edge
- plastic material
- sound curve
- pen
- 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
- 239000000463 material Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 description 1
- 239000000203 mixture 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
Landscapes
- Magnetic Record Carriers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE247164C true DE247164C (cs) |
Family
ID=505976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT247164D Active DE247164C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE247164C (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE741332C (de) * | 1931-09-30 | 1943-11-10 | Philips Miller N V | Vorrichtung zum Herausschneiden einer optisch wiederzugebenden Schwingungsaufzeichnung aus einem Traeger |
-
0
- DE DENDAT247164D patent/DE247164C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE741332C (de) * | 1931-09-30 | 1943-11-10 | Philips Miller N V | Vorrichtung zum Herausschneiden einer optisch wiederzugebenden Schwingungsaufzeichnung aus einem Traeger |
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