JPS5040613B1 - - Google Patents
Info
- Publication number
- JPS5040613B1 JPS5040613B1 JP45039236A JP3923670A JPS5040613B1 JP S5040613 B1 JPS5040613 B1 JP S5040613B1 JP 45039236 A JP45039236 A JP 45039236A JP 3923670 A JP3923670 A JP 3923670A JP S5040613 B1 JPS5040613 B1 JP S5040613B1
- Authority
- JP
- Japan
- 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.)
- Pending
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 |
|---|---|
| JPS5040613B1 true JPS5040613B1 (ja) | 1975-12-25 |
Family
ID=11275688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP45039236A Pending JPS5040613B1 (ja) | 1969-05-09 | 1970-05-09 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3646551A (ja) |
| JP (1) | JPS5040613B1 (ja) |
| BE (1) | BE749001A (ja) |
| DE (1) | DE2022657C3 (ja) |
| FR (1) | FR2047202A5 (ja) |
| GB (1) | GB1244594A (ja) |
| SU (2) | SU508236A3 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5393333U (ja) * | 1976-12-28 | 1978-07-29 | ||
| JPH02108815U (ja) * | 1989-02-15 | 1990-08-29 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4522518A (en) * | 1983-07-07 | 1985-06-11 | Schmidt John R | Character data input keyboard arrangement having central matrix of keys |
| DE19506509C2 (de) * | 1995-02-24 | 1996-12-05 | Preh Elektro Feinmechanik | Tastenfeld für Verkaufs- und Registrierkassen |
-
1970
- 1970-04-15 BE BE749001D patent/BE749001A/xx 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 DE DE2022657A patent/DE2022657C3/de not_active Expired
- 1970-05-08 SU SU1428924A patent/SU508236A3/ru active
- 1970-05-09 JP JP45039236A patent/JPS5040613B1/ja active Pending
-
1971
- 1971-10-14 SU SU1704909A patent/SU505387A3/ru active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5393333U (ja) * | 1976-12-28 | 1978-07-29 | ||
| JPH02108815U (ja) * | 1989-02-15 | 1990-08-29 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1244594A (en) | 1971-09-02 |
| SU508236A3 (ru) | 1976-03-25 |
| DE2022657A1 (de) | 1970-11-19 |
| DE2022657C3 (de) | 1978-05-24 |
| BE749001A (fr) | 1970-09-16 |
| FR2047202A5 (ja) | 1971-03-12 |
| SU505387A3 (ru) | 1976-02-28 |
| DE2022657B2 (de) | 1977-09-22 |
| US3646551A (en) | 1972-02-29 |