JPS5296826A - Input unit - Google Patents
Input unitInfo
- Publication number
- JPS5296826A JPS5296826A JP1306776A JP1306776A JPS5296826A JP S5296826 A JPS5296826 A JP S5296826A JP 1306776 A JP1306776 A JP 1306776A JP 1306776 A JP1306776 A JP 1306776A JP S5296826 A JPS5296826 A JP S5296826A
- Authority
- JP
- Japan
- Prior art keywords
- input unit
- light receiving
- receiving elements
- group
- elements
- 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.)
- Pending
Links
Landscapes
- Input From Keyboards Or The Like (AREA)
Abstract
PURPOSE: To enable low cost and highly reliable input unit with simple configuration, by reducing the number of light emitting elements and light receiving elements in comparison with the number of information able to be put in, so that the first group of light receiving elements is reflected to the second group of light receiving elements with the reflecting material.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1306776A JPS5296826A (en) | 1976-02-09 | 1976-02-09 | Input unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1306776A JPS5296826A (en) | 1976-02-09 | 1976-02-09 | Input unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5296826A true JPS5296826A (en) | 1977-08-15 |
Family
ID=11822784
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1306776A Pending JPS5296826A (en) | 1976-02-09 | 1976-02-09 | Input unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5296826A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57148251U (en) * | 1981-03-13 | 1982-09-17 | ||
JPH03109627A (en) * | 1989-09-22 | 1991-05-09 | Tsuoisu Kk | Method and device for discriminating pushed key of keyboard |
-
1976
- 1976-02-09 JP JP1306776A patent/JPS5296826A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57148251U (en) * | 1981-03-13 | 1982-09-17 | ||
JPH03109627A (en) * | 1989-09-22 | 1991-05-09 | Tsuoisu Kk | Method and device for discriminating pushed key of keyboard |
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