JPS5346779A - Input system for portable electronic device - Google Patents
Input system for portable electronic deviceInfo
- Publication number
- JPS5346779A JPS5346779A JP12203676A JP12203676A JPS5346779A JP S5346779 A JPS5346779 A JP S5346779A JP 12203676 A JP12203676 A JP 12203676A JP 12203676 A JP12203676 A JP 12203676A JP S5346779 A JPS5346779 A JP S5346779A
- Authority
- JP
- Japan
- Prior art keywords
- electronic device
- portable electronic
- input system
- light
- push keys
- 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
- Electric Clocks (AREA)
- Electromechanical Clocks (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
PURPOSE: Light is inputted to photo detectors corresponding to push keys and an input device using light is obtained by changing the rotating angle of a prism in correspondence to the selected push keys.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12203676A JPS5346779A (en) | 1976-10-12 | 1976-10-12 | Input system for portable electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12203676A JPS5346779A (en) | 1976-10-12 | 1976-10-12 | Input system for portable electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5346779A true JPS5346779A (en) | 1978-04-26 |
Family
ID=14825998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12203676A Pending JPS5346779A (en) | 1976-10-12 | 1976-10-12 | Input system for portable electronic device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5346779A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03109627A (en) * | 1989-09-22 | 1991-05-09 | Tsuoisu Kk | Method and device for discriminating pushed key of keyboard |
| US5076344A (en) * | 1989-03-07 | 1991-12-31 | Aluminum Company Of America | Die-casting process and equipment |
| JPH0623516U (en) * | 1992-06-16 | 1994-03-29 | 和行 加藤 | condom |
| JPH06289968A (en) * | 1992-06-27 | 1994-10-18 | Fujimi Koki Kk | Method and device for discriminating depressed key of keyboard |
| US5435373A (en) * | 1989-03-07 | 1995-07-25 | Aluminum Company Of America | Apparatus and method for lubricating and cleaning out die-casting equipment |
-
1976
- 1976-10-12 JP JP12203676A patent/JPS5346779A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5076344A (en) * | 1989-03-07 | 1991-12-31 | Aluminum Company Of America | Die-casting process and equipment |
| US5435373A (en) * | 1989-03-07 | 1995-07-25 | Aluminum Company Of America | Apparatus and method for lubricating and cleaning out die-casting equipment |
| JPH03109627A (en) * | 1989-09-22 | 1991-05-09 | Tsuoisu Kk | Method and device for discriminating pushed key of keyboard |
| JPH0623516U (en) * | 1992-06-16 | 1994-03-29 | 和行 加藤 | condom |
| JPH06289968A (en) * | 1992-06-27 | 1994-10-18 | Fujimi Koki Kk | Method and device for discriminating depressed key of keyboard |
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