DE258402C - - Google Patents
Info
- Publication number
- DE258402C DE258402C DENDAT258402D DE258402DA DE258402C DE 258402 C DE258402 C DE 258402C DE NDAT258402 D DENDAT258402 D DE NDAT258402D DE 258402D A DE258402D A DE 258402DA DE 258402 C DE258402 C DE 258402C
- Authority
- DE
- Germany
- Prior art keywords
- sound
- carrier
- phonogram
- sleeves
- pen carrier
- 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 2
- 238000006073 displacement reaction Methods 0.000 claims 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
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE258402C true DE258402C (show.php) |
Family
ID=516230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT258402D Active DE258402C (show.php) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE258402C (show.php) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2837340A (en) * | 1952-04-07 | 1958-06-03 | Golda A Duncan | Mechanical sound reproducing device |
-
0
- DE DENDAT258402D patent/DE258402C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2837340A (en) * | 1952-04-07 | 1958-06-03 | Golda A Duncan | Mechanical sound reproducing device |
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