JPS63149717A - 押下キ−の検出方式 - Google Patents
押下キ−の検出方式Info
- Publication number
- JPS63149717A JPS63149717A JP61297249A JP29724986A JPS63149717A JP S63149717 A JPS63149717 A JP S63149717A JP 61297249 A JP61297249 A JP 61297249A JP 29724986 A JP29724986 A JP 29724986A JP S63149717 A JPS63149717 A JP S63149717A
- Authority
- JP
- Japan
- Prior art keywords
- key
- pressed
- keys
- detected
- code
- 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
- Input From Keyboards Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61297249A JPS63149717A (ja) | 1986-12-13 | 1986-12-13 | 押下キ−の検出方式 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61297249A JPS63149717A (ja) | 1986-12-13 | 1986-12-13 | 押下キ−の検出方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63149717A true JPS63149717A (ja) | 1988-06-22 |
JPH0511326B2 JPH0511326B2 (enrdf_load_stackoverflow) | 1993-02-15 |
Family
ID=17844086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61297249A Granted JPS63149717A (ja) | 1986-12-13 | 1986-12-13 | 押下キ−の検出方式 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63149717A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4918444A (en) * | 1987-03-19 | 1990-04-17 | Fujitsu Limited | Key-depression data input device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102227698B (zh) | 2008-11-26 | 2014-04-02 | 京瓷株式会社 | 按键输入装置及具备按键输入装置的便携通信终端 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54122928A (en) * | 1978-03-17 | 1979-09-22 | Hitachi Ltd | Keyboard control circuit |
JPS60181911A (ja) * | 1984-02-29 | 1985-09-17 | Alps Electric Co Ltd | キ−ボ−ド入力装置におけるイメ−ジ発生防止方式 |
-
1986
- 1986-12-13 JP JP61297249A patent/JPS63149717A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54122928A (en) * | 1978-03-17 | 1979-09-22 | Hitachi Ltd | Keyboard control circuit |
JPS60181911A (ja) * | 1984-02-29 | 1985-09-17 | Alps Electric Co Ltd | キ−ボ−ド入力装置におけるイメ−ジ発生防止方式 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4918444A (en) * | 1987-03-19 | 1990-04-17 | Fujitsu Limited | Key-depression data input device |
Also Published As
Publication number | Publication date |
---|---|
JPH0511326B2 (enrdf_load_stackoverflow) | 1993-02-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5922578Y2 (ja) | キ−ボ−ド装置 | |
US3792466A (en) | Keyboard entry system with n-key rollover and n-key lockout protection | |
US3662378A (en) | Electronic keyboard input circuit | |
JPS60181815A (ja) | キヤパシテイブキ−ボ−ド | |
US4591833A (en) | Keyboard unit control system using block scanning techniques | |
EP0067516B1 (en) | Shift control system for keyboards | |
US4888600A (en) | Keyboard arrangement with ghost key condition detection | |
US3932838A (en) | Method and apparatus for controlling circuitry with a plurality of switching means | |
KR910006695B1 (ko) | 키 누름 데이타 입력 장치 | |
GB2057171A (en) | Electrical keyboard | |
JPS63149717A (ja) | 押下キ−の検出方式 | |
US20060053391A1 (en) | Method, apparatus, and computer-readable medium for key press determination | |
SE460242B (sv) | Metod foer teckenkodgenerering | |
JP5407919B2 (ja) | キースキャン装置および電子機器 | |
JPH0313610B2 (enrdf_load_stackoverflow) | ||
US4390866A (en) | Keyboard with electronic hysteresis | |
US3909783A (en) | Coded information signal forming apparatus | |
JPH0258645B2 (enrdf_load_stackoverflow) | ||
JPS6155725A (ja) | キ−ボ−ド装置 | |
JPS6242290B2 (enrdf_load_stackoverflow) | ||
JP2839237B2 (ja) | キーボードのキーコード出力装置及び出力方式 | |
JP3017192B1 (ja) | Nキーロールオーバー・キーボードシステム | |
JPS5965348A (ja) | キヤパシテイブキ−ボ−ド | |
KR100202611B1 (ko) | 키이보드 스캔장치 | |
SU983696A1 (ru) | Устройство дл ввода информации |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |