SE348681B - - Google Patents
Info
- Publication number
- SE348681B SE348681B SE12812/68A SE1281268A SE348681B SE 348681 B SE348681 B SE 348681B SE 12812/68 A SE12812/68 A SE 12812/68A SE 1281268 A SE1281268 A SE 1281268A SE 348681 B SE348681 B SE 348681B
- Authority
- SE
- Sweden
Links
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
- B41J5/18—Locks
- B41J5/22—Interlocks between keys, e.g. without detent arrangements
- B41J5/24—Interlocks between keys, e.g. without detent arrangements with detent arrangements
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B13/00—Teaching typing
- G09B13/04—Devices used in association with a real typewriter, teleprinter, or the like
Landscapes
- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Input From Keyboards Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19671611450 DE1611450C3 (de) | 1967-10-09 | 1967-10-09 | Tastensperre für Büromaschinen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE348681B true SE348681B (fr) | 1972-09-11 |
Family
ID=5681722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE12812/68A SE348681B (fr) | 1967-10-09 | 1968-09-23 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3536178A (fr) |
| CH (1) | CH480181A (fr) |
| FR (1) | FR1588306A (fr) |
| GB (1) | GB1248447A (fr) |
| SE (1) | SE348681B (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1396879A (en) * | 1971-09-07 | 1975-06-11 | Marconi Co Ltd | Display systems |
| US4059184A (en) * | 1977-01-03 | 1977-11-22 | International Business Machines Corporation | Single print element selection apparatus with multiple selection inhibiting means |
| US4185400A (en) * | 1978-08-14 | 1980-01-29 | Sears, Roebuck And Co. | Typewriter with instructional apparatus |
| CN104123877B (zh) * | 2014-07-04 | 2016-12-07 | 龙岩学院 | 一种凸轮机构位移-廓线生成演示仪 |
-
1968
- 1968-09-23 SE SE12812/68A patent/SE348681B/xx unknown
- 1968-10-04 US US765204A patent/US3536178A/en not_active Expired - Lifetime
- 1968-10-08 GB GB47680/68A patent/GB1248447A/en not_active Expired
- 1968-10-08 CH CH1499468A patent/CH480181A/de not_active IP Right Cessation
- 1968-10-08 FR FR1588306D patent/FR1588306A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH480181A (de) | 1969-10-31 |
| FR1588306A (fr) | 1970-04-10 |
| GB1248447A (en) | 1971-10-06 |
| US3536178A (en) | 1970-10-27 |