DE180749C - - Google Patents
Info
- Publication number
- DE180749C DE180749C DENDAT180749D DE180749DA DE180749C DE 180749 C DE180749 C DE 180749C DE NDAT180749 D DENDAT180749 D DE NDAT180749D DE 180749D A DE180749D A DE 180749DA DE 180749 C DE180749 C DE 180749C
- Authority
- DE
- Germany
- Prior art keywords
- sound
- sound box
- membrane
- needle
- needles
- 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 19
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims description 2
- 238000013019 agitation Methods 0.000 claims 1
- 239000004568 cement Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 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
Landscapes
- Toys (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE180749C true DE180749C (cs) |
Family
ID=444985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT180749D Active DE180749C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE180749C (cs) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE972644C (de) * | 1951-05-03 | 1959-08-27 | Electroacustic Ges M B H | Umschaltvorrichtung fuer auswechselbare Tonabnehmersysteme |
| DE1080791B (de) * | 1954-08-16 | 1960-04-28 | Electroacustic Gmbh | Umschaltvorrichtung fuer auswechselbare Tonabnehmer |
-
0
- DE DENDAT180749D patent/DE180749C/de active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE972644C (de) * | 1951-05-03 | 1959-08-27 | Electroacustic Ges M B H | Umschaltvorrichtung fuer auswechselbare Tonabnehmersysteme |
| DE1080791B (de) * | 1954-08-16 | 1960-04-28 | Electroacustic Gmbh | Umschaltvorrichtung fuer auswechselbare Tonabnehmer |
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