JPH0453067Y2 - - Google Patents
Info
- Publication number
- JPH0453067Y2 JPH0453067Y2 JP1985070510U JP7051085U JPH0453067Y2 JP H0453067 Y2 JPH0453067 Y2 JP H0453067Y2 JP 1985070510 U JP1985070510 U JP 1985070510U JP 7051085 U JP7051085 U JP 7051085U JP H0453067 Y2 JPH0453067 Y2 JP H0453067Y2
- Authority
- JP
- Japan
- Prior art keywords
- comparator
- output
- key
- detection circuit
- voltage
- 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
Landscapes
- Electronic Switches (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985070510U JPH0453067Y2 (enrdf_load_stackoverflow) | 1985-05-15 | 1985-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985070510U JPH0453067Y2 (enrdf_load_stackoverflow) | 1985-05-15 | 1985-05-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61187127U JPS61187127U (enrdf_load_stackoverflow) | 1986-11-21 |
| JPH0453067Y2 true JPH0453067Y2 (enrdf_load_stackoverflow) | 1992-12-14 |
Family
ID=30607147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985070510U Expired JPH0453067Y2 (enrdf_load_stackoverflow) | 1985-05-15 | 1985-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0453067Y2 (enrdf_load_stackoverflow) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS539448A (en) * | 1976-07-15 | 1978-01-27 | Yamaki Electric | Comparator circuit |
| JPS5344899U (enrdf_load_stackoverflow) * | 1976-09-22 | 1978-04-17 |
-
1985
- 1985-05-15 JP JP1985070510U patent/JPH0453067Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61187127U (enrdf_load_stackoverflow) | 1986-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR920001960B1 (ko) | 키 입력장치 | |
| US5448236A (en) | N-key rollover circuit | |
| JPS6245729B2 (enrdf_load_stackoverflow) | ||
| JPH0675030U (ja) | マイクロコンピュータのキー信号入力回路 | |
| JPH0453067Y2 (enrdf_load_stackoverflow) | ||
| US7777650B2 (en) | Key system with two operation nodes for detecting status of keys | |
| US4251805A (en) | Circuit arrangement for an input keyboard | |
| JPH0997839A (ja) | 機能選択が可能な集積回路およびその機能選択方法 | |
| US3217316A (en) | Binary to ternary converter | |
| US5523755A (en) | N-key rollover keyboard without diodes | |
| US5463386A (en) | Electrical matrix keyboard scanning circuit | |
| US4266150A (en) | Circuit arrangement for operating electromechanical switching devices | |
| US4945261A (en) | Level and edge sensitive input circuit | |
| US5783874A (en) | Keypad handling circuits | |
| EP1100069A1 (en) | Keyboard having multi-bit key switches | |
| US3816826A (en) | Keyboard switch apparatus | |
| US4392065A (en) | Electronic circuit for eliminating chatter | |
| US4071904A (en) | Current mode multiple-generating register | |
| US4578668A (en) | Decoder for a D/A converter | |
| US3798433A (en) | Decimal-to-binary code conversion circuit | |
| JP3043054U (ja) | コンピュータ用キーボードの電磁感応スイッチ | |
| US4812816A (en) | Electronic circuit with complementary data line | |
| HK1033497A (en) | Keyboard having multi-bit key switches | |
| JP2815753B2 (ja) | 半導体集積回路 | |
| JPH02310714A (ja) | キーボードスイッチ |