JPS5587223A - Keyboard with foot switch for shift key - Google Patents
Keyboard with foot switch for shift keyInfo
- Publication number
- JPS5587223A JPS5587223A JP16041578A JP16041578A JPS5587223A JP S5587223 A JPS5587223 A JP S5587223A JP 16041578 A JP16041578 A JP 16041578A JP 16041578 A JP16041578 A JP 16041578A JP S5587223 A JPS5587223 A JP S5587223A
- Authority
- JP
- Japan
- Prior art keywords
- shift
- foot switches
- keyboard
- foot switch
- shift key
- 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
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
PURPOSE: To increase an input speed by reducing keying-in operation in the number of times while improving the efficiency of input operation, by using foot switches to change character and symbol modes in addition to shift keys.
CONSTITUTION: Keyboard main frame 1 is provided with foot switches 2a and 2b for shift keys. With key 1a on keyboard body 1 pushed, signals are generated to X and Y axes. Those signals are inputted to code generator 3, where they are converted into fixed codes of this system. At this time, two foot switches 2a and 2b controlling the mode and shift of characters are connected to this code generator 3 and character modes are changed and control over a shift is exercised by stepping on those foot switches.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53160415A JPS6051725B2 (en) | 1978-12-25 | 1978-12-25 | Keyboard with foot switch for shift key |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53160415A JPS6051725B2 (en) | 1978-12-25 | 1978-12-25 | Keyboard with foot switch for shift key |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5587223A true JPS5587223A (en) | 1980-07-01 |
JPS6051725B2 JPS6051725B2 (en) | 1985-11-15 |
Family
ID=15714427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53160415A Expired JPS6051725B2 (en) | 1978-12-25 | 1978-12-25 | Keyboard with foot switch for shift key |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6051725B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0048852A2 (en) * | 1980-09-30 | 1982-04-07 | Firma Carl Zeiss | Foot switch desk |
JPS5990136A (en) * | 1982-11-15 | 1984-05-24 | Matsushita Electric Ind Co Ltd | Keyboard device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04128032U (en) * | 1991-05-10 | 1992-11-20 | 藤倉電線株式会社 | Overhead transmission line jumper device |
-
1978
- 1978-12-25 JP JP53160415A patent/JPS6051725B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0048852A2 (en) * | 1980-09-30 | 1982-04-07 | Firma Carl Zeiss | Foot switch desk |
JPS5990136A (en) * | 1982-11-15 | 1984-05-24 | Matsushita Electric Ind Co Ltd | Keyboard device |
Also Published As
Publication number | Publication date |
---|---|
JPS6051725B2 (en) | 1985-11-15 |
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