DE225036C - - Google Patents
Info
- Publication number
- DE225036C DE225036C DENDAT225036D DE225036DA DE225036C DE 225036 C DE225036 C DE 225036C DE NDAT225036 D DENDAT225036 D DE NDAT225036D DE 225036D A DE225036D A DE 225036DA DE 225036 C DE225036 C DE 225036C
- Authority
- DE
- Germany
- Prior art keywords
- sound
- pen
- needle
- writing surface
- curves
- 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 12
- 238000000034 method Methods 0.000 claims description 2
- 241001422033 Thestylus Species 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241001507636 Yersinia phage Berlin Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000007787 solid 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
- G11B3/44—Styli, e.g. sapphire, diamond
- G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank
-
- 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
-
- 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
- G11B3/68—Record carriers
- G11B3/72—Groove formations, e.g. run-in groove, run-out groove
Landscapes
- Toys (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE225036C true DE225036C (cg-RX-API-DMAC7.html) |
Family
ID=485718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT225036D Active DE225036C (cg-RX-API-DMAC7.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE225036C (cg-RX-API-DMAC7.html) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE976728C (de) * | 1950-02-03 | 1964-03-26 | Hardidr Eberhard Priemer Chemi | Traeger fuer Magnetogramme |
| DE1297885B (de) * | 1968-03-27 | 1969-06-19 | Rabe Erich | Verfahren und Vorrichtung zum Schneiden von Schallplatten |
-
0
- DE DENDAT225036D patent/DE225036C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE976728C (de) * | 1950-02-03 | 1964-03-26 | Hardidr Eberhard Priemer Chemi | Traeger fuer Magnetogramme |
| DE1297885B (de) * | 1968-03-27 | 1969-06-19 | Rabe Erich | Verfahren und Vorrichtung zum Schneiden von Schallplatten |
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