DE191623C - - Google Patents
Info
- Publication number
- DE191623C DE191623C DENDAT191623D DE191623DA DE191623C DE 191623 C DE191623 C DE 191623C DE NDAT191623 D DENDAT191623 D DE NDAT191623D DE 191623D A DE191623D A DE 191623DA DE 191623 C DE191623 C DE 191623C
- Authority
- DE
- Germany
- Prior art keywords
- membrane
- edge
- sound box
- stylus
- rib
- 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
- 239000007769 metal material Substances 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 241001422033 Thestylus Species 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035945 sensitivity Effects 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
- G11B3/50—Anvils or other supports opposing stylus forces
Landscapes
- Holding Or Fastening Of Disk On Rotational Shaft (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE191623C true DE191623C (cs) |
Family
ID=455008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT191623D Active DE191623C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE191623C (cs) |
-
0
- DE DENDAT191623D patent/DE191623C/de active Active
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