JPS6346449B2 - - Google Patents
Info
- Publication number
- JPS6346449B2 JPS6346449B2 JP54039961A JP3996179A JPS6346449B2 JP S6346449 B2 JPS6346449 B2 JP S6346449B2 JP 54039961 A JP54039961 A JP 54039961A JP 3996179 A JP3996179 A JP 3996179A JP S6346449 B2 JPS6346449 B2 JP S6346449B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- key
- signal
- data
- scanning
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 14
- 238000010586 diagram Methods 0.000 description 8
- 230000007257 malfunction Effects 0.000 description 8
- 230000002265 prevention Effects 0.000 description 3
- 244000145845 chattering Species 0.000 description 2
Landscapes
- Input From Keyboards Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3996179A JPS55131837A (en) | 1979-04-03 | 1979-04-03 | Key input discriminating circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3996179A JPS55131837A (en) | 1979-04-03 | 1979-04-03 | Key input discriminating circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55131837A JPS55131837A (en) | 1980-10-14 |
JPS6346449B2 true JPS6346449B2 (ru) | 1988-09-14 |
Family
ID=12567544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3996179A Granted JPS55131837A (en) | 1979-04-03 | 1979-04-03 | Key input discriminating circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55131837A (ru) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5750745U (ru) * | 1980-09-10 | 1982-03-23 | ||
JPS5793356A (en) * | 1980-12-02 | 1982-06-10 | Ricoh Co Ltd | Data read method of device controlled by microcomputer |
JPS57161921A (en) * | 1981-03-31 | 1982-10-05 | Fuji Electric Co Ltd | Signal processing system |
JPS60231226A (ja) * | 1984-05-02 | 1985-11-16 | Nippon Denki Kanji Syst Kk | スイツチ状態検出装置 |
JPS62138235U (ru) * | 1986-02-21 | 1987-08-31 | ||
JPH0325520A (ja) * | 1989-06-23 | 1991-02-04 | Yagi Antenna Co Ltd | データ入力方式 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5251828A (en) * | 1975-10-23 | 1977-04-26 | Omron Tateisi Electronics Co | Key input discriminating unit |
-
1979
- 1979-04-03 JP JP3996179A patent/JPS55131837A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5251828A (en) * | 1975-10-23 | 1977-04-26 | Omron Tateisi Electronics Co | Key input discriminating unit |
Also Published As
Publication number | Publication date |
---|---|
JPS55131837A (en) | 1980-10-14 |
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