JPS5567823A - Book-type keyboard device - Google Patents
Book-type keyboard deviceInfo
- Publication number
- JPS5567823A JPS5567823A JP14024378A JP14024378A JPS5567823A JP S5567823 A JPS5567823 A JP S5567823A JP 14024378 A JP14024378 A JP 14024378A JP 14024378 A JP14024378 A JP 14024378A JP S5567823 A JPS5567823 A JP S5567823A
- Authority
- JP
- Japan
- Prior art keywords
- page
- codes
- output
- coincidence
- coincidence signal
- 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
- Input From Keyboards Or The Like (AREA)
Abstract
PURPOSE: To secure the decision for the effective or ineffective page code by providing the independent page detection part at the right and left pages each and then delivering the coincidence signal if the coincidence is secured for the codes through comparison of the output of the page detection parts.
CONSTITUTION: The output of left-side page detection part 4 is sent to page encoder 5 to be supplied to comparator circuit 9 along with the output of right-side page detection part 8. Then the coincidence signal is delivered outside by the right and left page codes and via driver 3. Now in case both the both pages are not lifted up, the coincidence is secured for the output codes between parts 4 and 8. Thus circuit 9 delivers the coincidence signal. In case the page alignment is in the course of execution, circuit 9 delivers no coincidence signal since the output codes differ between the both page detection parts. In such way, the decision is possible for the effective or ineffective page codes.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53140243A JPS5926048B2 (en) | 1978-11-14 | 1978-11-14 | Book type keyboard device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53140243A JPS5926048B2 (en) | 1978-11-14 | 1978-11-14 | Book type keyboard device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5567823A true JPS5567823A (en) | 1980-05-22 |
JPS5926048B2 JPS5926048B2 (en) | 1984-06-23 |
Family
ID=15264233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53140243A Expired JPS5926048B2 (en) | 1978-11-14 | 1978-11-14 | Book type keyboard device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5926048B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4973960A (en) * | 1989-02-24 | 1990-11-27 | Amoco Corporation | Data entry method and apparatus |
-
1978
- 1978-11-14 JP JP53140243A patent/JPS5926048B2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4973960A (en) * | 1989-02-24 | 1990-11-27 | Amoco Corporation | Data entry method and apparatus |
Also Published As
Publication number | Publication date |
---|---|
JPS5926048B2 (en) | 1984-06-23 |
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