JPS53142825A - Keyboard display system - Google Patents
Keyboard display systemInfo
- Publication number
- JPS53142825A JPS53142825A JP5748177A JP5748177A JPS53142825A JP S53142825 A JPS53142825 A JP S53142825A JP 5748177 A JP5748177 A JP 5748177A JP 5748177 A JP5748177 A JP 5748177A JP S53142825 A JPS53142825 A JP S53142825A
- Authority
- JP
- Japan
- Prior art keywords
- display system
- keyboard display
- loads
- switch
- driving
- 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
Abstract
PURPOSE: To reduce the number of driving loads for specific loads, by stopping the scanning operation for a given time when the output of a shift register corresponds to the switch ON signal, and by illuminating the lamp of switch corresponding to the counter with the driving circuit of display matrix.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5748177A JPS53142825A (en) | 1977-05-18 | 1977-05-18 | Keyboard display system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5748177A JPS53142825A (en) | 1977-05-18 | 1977-05-18 | Keyboard display system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53142825A true JPS53142825A (en) | 1978-12-12 |
JPS5624293B2 JPS5624293B2 (en) | 1981-06-05 |
Family
ID=13056896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5748177A Granted JPS53142825A (en) | 1977-05-18 | 1977-05-18 | Keyboard display system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53142825A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS585830A (en) * | 1981-07-03 | 1983-01-13 | Brother Ind Ltd | Keyboard input device |
JPS60174947U (en) * | 1984-04-27 | 1985-11-20 | 株式会社ノーリツ | input/output control device |
WO1988006316A1 (en) * | 1987-02-14 | 1988-08-25 | Fanuc Ltd | Power supply circuit |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4941026A (en) * | 1972-08-26 | 1974-04-17 | ||
JPS4955226A (en) * | 1972-09-28 | 1974-05-29 | ||
JPS50128958A (en) * | 1974-03-29 | 1975-10-11 | ||
JPS5222829A (en) * | 1975-08-15 | 1977-02-21 | Hitachi Ltd | Method to identify the contact |
JPS53105937U (en) * | 1977-01-31 | 1978-08-25 |
-
1977
- 1977-05-18 JP JP5748177A patent/JPS53142825A/en active Granted
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4941026A (en) * | 1972-08-26 | 1974-04-17 | ||
JPS4955226A (en) * | 1972-09-28 | 1974-05-29 | ||
JPS50128958A (en) * | 1974-03-29 | 1975-10-11 | ||
JPS5222829A (en) * | 1975-08-15 | 1977-02-21 | Hitachi Ltd | Method to identify the contact |
JPS53105937U (en) * | 1977-01-31 | 1978-08-25 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS585830A (en) * | 1981-07-03 | 1983-01-13 | Brother Ind Ltd | Keyboard input device |
JPS60174947U (en) * | 1984-04-27 | 1985-11-20 | 株式会社ノーリツ | input/output control device |
WO1988006316A1 (en) * | 1987-02-14 | 1988-08-25 | Fanuc Ltd | Power supply circuit |
US5006728A (en) * | 1987-02-14 | 1991-04-09 | Fanuc Ltd. | Dual path power supply circuit with time controlled switching |
Also Published As
Publication number | Publication date |
---|---|
JPS5624293B2 (en) | 1981-06-05 |
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