DE287966C - - Google Patents
Info
- Publication number
- DE287966C DE287966C DENDAT287966D DE287966DA DE287966C DE 287966 C DE287966 C DE 287966C DE NDAT287966 D DENDAT287966 D DE NDAT287966D DE 287966D A DE287966D A DE 287966DA DE 287966 C DE287966 C DE 287966C
- Authority
- DE
- Germany
- Prior art keywords
- rows
- keys
- keyboard
- parallel
- keyboards
- 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
- 210000000245 forearm Anatomy 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims 2
- 230000001174 ascending effect Effects 0.000 description 6
- 210000003813 thumb Anatomy 0.000 description 4
- 210000004247 hand Anatomy 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 210000003811 finger Anatomy 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J5/00—Devices or arrangements for controlling character selection
- B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
- B41J5/10—Arrangements of keyboards, e.g. key button disposition
Landscapes
- Input From Keyboards Or The Like (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE287966C true DE287966C (en:Method) |
Family
ID=543138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT287966D Active DE287966C (en:Method) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE287966C (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1034663B (de) * | 1955-11-18 | 1958-07-24 | Otto Klein Dipl Ing | Vierreihiges Schreibmaschinen-Tastenfeld |
-
0
- DE DENDAT287966D patent/DE287966C/de active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1034663B (de) * | 1955-11-18 | 1958-07-24 | Otto Klein Dipl Ing | Vierreihiges Schreibmaschinen-Tastenfeld |
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