DE154829C - - Google Patents
Info
- Publication number
- DE154829C DE154829C DENDAT154829D DE154829DA DE154829C DE 154829 C DE154829 C DE 154829C DE NDAT154829 D DENDAT154829 D DE NDAT154829D DE 154829D A DE154829D A DE 154829DA DE 154829 C DE154829 C DE 154829C
- Authority
- DE
- Germany
- Prior art keywords
- keys
- recesses
- keyboard
- different
- key
- 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
- 239000000463 material Substances 0.000 claims description 9
- 230000000994 depressogenic effect Effects 0.000 claims description 3
- 230000000881 depressing effect Effects 0.000 description 2
- 210000003746 feather Anatomy 0.000 description 2
- 230000004438 eyesight Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000002023 wood 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
- B41J5/12—Construction of key buttons
Landscapes
- Input From Keyboards Or The Like (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE154829C true DE154829C (cs) |
Family
ID=421344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT154829D Active DE154829C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE154829C (cs) |
-
0
- DE DENDAT154829D patent/DE154829C/de active Active
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