JPS5224436A - Key input unit - Google Patents
Key input unitInfo
- Publication number
- JPS5224436A JPS5224436A JP50101032A JP10103275A JPS5224436A JP S5224436 A JPS5224436 A JP S5224436A JP 50101032 A JP50101032 A JP 50101032A JP 10103275 A JP10103275 A JP 10103275A JP S5224436 A JPS5224436 A JP S5224436A
- Authority
- JP
- Japan
- Prior art keywords
- input unit
- key input
- countermeasure
- improved
- 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.)
- Granted
Links
Landscapes
- Calculators And Similar Devices (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
PURPOSE: An input unit which key bounce countermeasure and indication duty are improved.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50101032A JPS5224436A (en) | 1975-08-19 | 1975-08-19 | Key input unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50101032A JPS5224436A (en) | 1975-08-19 | 1975-08-19 | Key input unit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5224436A true JPS5224436A (en) | 1977-02-23 |
JPS5756089B2 JPS5756089B2 (en) | 1982-11-27 |
Family
ID=14289821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50101032A Granted JPS5224436A (en) | 1975-08-19 | 1975-08-19 | Key input unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5224436A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5567828A (en) * | 1978-11-16 | 1980-05-22 | Brother Ind Ltd | Keyboard input device |
WO1983002833A1 (en) * | 1978-08-28 | 1983-08-18 | Yukio Urushibata | Digital input device |
JPS59155798A (en) * | 1983-02-25 | 1984-09-04 | 株式会社東芝 | Hermetic inspection method in radioactive gaseous waste processing facility |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0288397U (en) * | 1988-12-26 | 1990-07-12 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5017929A (en) * | 1973-06-18 | 1975-02-25 |
-
1975
- 1975-08-19 JP JP50101032A patent/JPS5224436A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5017929A (en) * | 1973-06-18 | 1975-02-25 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1983002833A1 (en) * | 1978-08-28 | 1983-08-18 | Yukio Urushibata | Digital input device |
JPS5567828A (en) * | 1978-11-16 | 1980-05-22 | Brother Ind Ltd | Keyboard input device |
JPS584367B2 (en) * | 1978-11-16 | 1983-01-26 | ブラザー工業株式会社 | keyboard input device |
JPS59155798A (en) * | 1983-02-25 | 1984-09-04 | 株式会社東芝 | Hermetic inspection method in radioactive gaseous waste processing facility |
Also Published As
Publication number | Publication date |
---|---|
JPS5756089B2 (en) | 1982-11-27 |
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