BE749001A - Clavier pour machines a calculer, machines comptables, teleimprimeurs et equivalents - Google Patents
Clavier pour machines a calculer, machines comptables, teleimprimeurs et equivalentsInfo
- Publication number
- BE749001A BE749001A BE749001DA BE749001A BE 749001 A BE749001 A BE 749001A BE 749001D A BE749001D A BE 749001DA BE 749001 A BE749001 A BE 749001A
- Authority
- BE
- Belgium
- Prior art keywords
- machines
- teleprinters
- keyboard
- equivalents
- accounting
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
- G06C7/00—Input mechanisms
- G06C7/02—Keyboards
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Input From Keyboards Or The Like (AREA)
- Push-Button Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT5176469 | 1969-05-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE749001A true BE749001A (fr) | 1970-09-16 |
Family
ID=11275688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE749001D BE749001A (fr) | 1969-05-09 | 1970-04-15 | Clavier pour machines a calculer, machines comptables, teleimprimeurs et equivalents |
Country Status (7)
Country | Link |
---|---|
US (1) | US3646551A (fr) |
JP (1) | JPS5040613B1 (fr) |
BE (1) | BE749001A (fr) |
DE (1) | DE2022657C3 (fr) |
FR (1) | FR2047202A5 (fr) |
GB (1) | GB1244594A (fr) |
SU (2) | SU508236A3 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5393333U (fr) * | 1976-12-28 | 1978-07-29 | ||
US4522518A (en) * | 1983-07-07 | 1985-06-11 | Schmidt John R | Character data input keyboard arrangement having central matrix of keys |
JPH02108815U (fr) * | 1989-02-15 | 1990-08-29 | ||
DE19506509C2 (de) * | 1995-02-24 | 1996-12-05 | Preh Elektro Feinmechanik | Tastenfeld für Verkaufs- und Registrierkassen |
-
1970
- 1970-04-15 BE BE749001D patent/BE749001A/fr unknown
- 1970-04-30 FR FR7016041A patent/FR2047202A5/fr not_active Expired
- 1970-05-01 GB GB21098/70A patent/GB1244594A/en not_active Expired
- 1970-05-06 US US35065A patent/US3646551A/en not_active Expired - Lifetime
- 1970-05-08 SU SU1428924A patent/SU508236A3/ru active
- 1970-05-08 DE DE2022657A patent/DE2022657C3/de not_active Expired
- 1970-05-09 JP JP45039236A patent/JPS5040613B1/ja active Pending
-
1971
- 1971-10-14 SU SU1704909A patent/SU505387A3/ru active
Also Published As
Publication number | Publication date |
---|---|
FR2047202A5 (fr) | 1971-03-12 |
GB1244594A (en) | 1971-09-02 |
DE2022657A1 (de) | 1970-11-19 |
SU508236A3 (ru) | 1976-03-25 |
US3646551A (en) | 1972-02-29 |
JPS5040613B1 (fr) | 1975-12-25 |
DE2022657B2 (de) | 1977-09-22 |
DE2022657C3 (de) | 1978-05-24 |
SU505387A3 (ru) | 1976-02-28 |
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