JPS5223218A - Key input control unit - Google Patents
Key input control unitInfo
- Publication number
- JPS5223218A JPS5223218A JP50099897A JP9989775A JPS5223218A JP S5223218 A JPS5223218 A JP S5223218A JP 50099897 A JP50099897 A JP 50099897A JP 9989775 A JP9989775 A JP 9989775A JP S5223218 A JPS5223218 A JP S5223218A
- Authority
- JP
- Japan
- Prior art keywords
- control unit
- key input
- input control
- matrix
- measns
- 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.)
- Pending
Links
Landscapes
- Input From Keyboards Or The Like (AREA)
Abstract
PURPOSE:To make it possible to perform the scanning of matrix lines with one counting measns in a matrix circuit type key inp ut unit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50099897A JPS5223218A (en) | 1975-08-18 | 1975-08-18 | Key input control unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50099897A JPS5223218A (en) | 1975-08-18 | 1975-08-18 | Key input control unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5223218A true JPS5223218A (en) | 1977-02-22 |
Family
ID=14259549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50099897A Pending JPS5223218A (en) | 1975-08-18 | 1975-08-18 | Key input control unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5223218A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53114313A (en) * | 1977-03-16 | 1978-10-05 | Hitachi Denshi Ltd | Input equipment |
JPS5663637A (en) * | 1979-10-29 | 1981-05-30 | Brother Ind Ltd | Keyboard input device |
JPS5858641A (en) * | 1981-10-05 | 1983-04-07 | Hitachi Ltd | Keyboard device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4966154A (en) * | 1972-10-25 | 1974-06-26 |
-
1975
- 1975-08-18 JP JP50099897A patent/JPS5223218A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4966154A (en) * | 1972-10-25 | 1974-06-26 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53114313A (en) * | 1977-03-16 | 1978-10-05 | Hitachi Denshi Ltd | Input equipment |
JPS5663637A (en) * | 1979-10-29 | 1981-05-30 | Brother Ind Ltd | Keyboard input device |
JPS5858641A (en) * | 1981-10-05 | 1983-04-07 | Hitachi Ltd | Keyboard device |
JPH0312329B2 (en) * | 1981-10-05 | 1991-02-20 | Hitachi Ltd |
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