JPS51112123A - Calculator input unit - Google Patents
Calculator input unitInfo
- Publication number
- JPS51112123A JPS51112123A JP50038357A JP3835775A JPS51112123A JP S51112123 A JPS51112123 A JP S51112123A JP 50038357 A JP50038357 A JP 50038357A JP 3835775 A JP3835775 A JP 3835775A JP S51112123 A JPS51112123 A JP S51112123A
- Authority
- JP
- Japan
- Prior art keywords
- input unit
- calculator input
- calculator
- light
- utilising
- 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 obtain encoded signals with low power consumption by utilising a light receiving element as source of light and successively lighting luminous elements.
COPYRIGHT: (C)1976,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50038357A JPS51112123A (en) | 1975-03-27 | 1975-03-27 | Calculator input unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50038357A JPS51112123A (en) | 1975-03-27 | 1975-03-27 | Calculator input unit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS51112123A true JPS51112123A (en) | 1976-10-04 |
Family
ID=12523018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50038357A Pending JPS51112123A (en) | 1975-03-27 | 1975-03-27 | Calculator input unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS51112123A (en) |
-
1975
- 1975-03-27 JP JP50038357A patent/JPS51112123A/en active Pending
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