JPS5413221A - Key input system - Google Patents
Key input systemInfo
- Publication number
- JPS5413221A JPS5413221A JP7872477A JP7872477A JPS5413221A JP S5413221 A JPS5413221 A JP S5413221A JP 7872477 A JP7872477 A JP 7872477A JP 7872477 A JP7872477 A JP 7872477A JP S5413221 A JPS5413221 A JP S5413221A
- Authority
- JP
- Japan
- Prior art keywords
- key input
- input system
- input keys
- operating
- numerals
- 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
- Calculators And Similar Devices (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
PURPOSE: To perform a number of operating functions with less number of input keys, by providing the second symbol different from the first symbol corresponding to the numerals and symbols given to a plurality of input keys and operating those input keys with combination.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7872477A JPS5413221A (en) | 1977-07-01 | 1977-07-01 | Key input system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7872477A JPS5413221A (en) | 1977-07-01 | 1977-07-01 | Key input system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5413221A true JPS5413221A (en) | 1979-01-31 |
Family
ID=13669820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7872477A Pending JPS5413221A (en) | 1977-07-01 | 1977-07-01 | Key input system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5413221A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4833446A (en) * | 1979-11-21 | 1989-05-23 | Ergoplic Ltd. | Keyboard apparatus and method |
-
1977
- 1977-07-01 JP JP7872477A patent/JPS5413221A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4833446A (en) * | 1979-11-21 | 1989-05-23 | Ergoplic Ltd. | Keyboard apparatus and method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS57196656A (en) | Telephone set for character input | |
JPS5298425A (en) | Chinese characters input system | |
JPS5258322A (en) | Keyboard unit | |
JPS5443014A (en) | Key code data generator | |
JPS5216927A (en) | Input gear for calculator | |
JPS52119122A (en) | Input device for chinese character | |
JPS5413221A (en) | Key input system | |
JPS5258419A (en) | Input device | |
JPS5543632A (en) | Keyboard device | |
JPS5286023A (en) | Input device | |
JPS53112044A (en) | Electronic desk type calculator | |
JPS52153337A (en) | Desk-top electronic calculator | |
JPS533122A (en) | Input unit | |
JPS5330845A (en) | Entry system of electronic cash register | |
JPS5335324A (en) | Key input system | |
JPS5441649A (en) | Automatic transaction processing system | |
JPS5437430A (en) | Keyboard input device | |
JPS5368128A (en) | Key input system | |
JPS5315032A (en) | Fraction arismetic control unit | |
JPS542020A (en) | Key control system | |
JPS5330827A (en) | Numerical display system | |
JPS522357A (en) | Key input system | |
JPS5614332A (en) | Multiitem input keyboard | |
JPS5377426A (en) | Key input device | |
JPS5293236A (en) | Input device for key entry |