JPS5425125A - Matrix keyboard - Google Patents
Matrix keyboardInfo
- Publication number
- JPS5425125A JPS5425125A JP8976077A JP8976077A JPS5425125A JP S5425125 A JPS5425125 A JP S5425125A JP 8976077 A JP8976077 A JP 8976077A JP 8976077 A JP8976077 A JP 8976077A JP S5425125 A JPS5425125 A JP S5425125A
- Authority
- JP
- Japan
- Prior art keywords
- matrix keyboard
- keyboard
- matrix
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52089760A JPS5812604B2 (en) | 1977-07-28 | 1977-07-28 | matrix keyboard |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52089760A JPS5812604B2 (en) | 1977-07-28 | 1977-07-28 | matrix keyboard |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5425125A true JPS5425125A (en) | 1979-02-24 |
JPS5812604B2 JPS5812604B2 (en) | 1983-03-09 |
Family
ID=13979661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52089760A Expired JPS5812604B2 (en) | 1977-07-28 | 1977-07-28 | matrix keyboard |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5812604B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57136247A (en) * | 1980-12-24 | 1982-08-23 | Burroughs Corp | Photooptical keyboard |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4887919U (en) * | 1972-01-27 | 1973-10-24 | ||
JPS494579U (en) * | 1972-04-17 | 1974-01-15 |
-
1977
- 1977-07-28 JP JP52089760A patent/JPS5812604B2/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4887919U (en) * | 1972-01-27 | 1973-10-24 | ||
JPS494579U (en) * | 1972-04-17 | 1974-01-15 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57136247A (en) * | 1980-12-24 | 1982-08-23 | Burroughs Corp | Photooptical keyboard |
JPH0216525B2 (en) * | 1980-12-24 | 1990-04-17 | Unisys Corp |
Also Published As
Publication number | Publication date |
---|---|
JPS5812604B2 (en) | 1983-03-09 |
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