JPH0313610B2 - - Google Patents
Info
- Publication number
- JPH0313610B2 JPH0313610B2 JP56045095A JP4509581A JPH0313610B2 JP H0313610 B2 JPH0313610 B2 JP H0313610B2 JP 56045095 A JP56045095 A JP 56045095A JP 4509581 A JP4509581 A JP 4509581A JP H0313610 B2 JPH0313610 B2 JP H0313610B2
- Authority
- JP
- Japan
- Prior art keywords
- key
- keyboard
- intersection
- line
- character code
- 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.)
- Expired - Lifetime
Links
- 239000011159 matrix material Substances 0.000 claims description 27
- 244000145845 chattering Species 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
- H03M11/02—Details
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Input From Keyboards Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56045095A JPS57159328A (en) | 1981-03-27 | 1981-03-27 | Keyboard discriminating system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56045095A JPS57159328A (en) | 1981-03-27 | 1981-03-27 | Keyboard discriminating system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57159328A JPS57159328A (en) | 1982-10-01 |
JPH0313610B2 true JPH0313610B2 (ko) | 1991-02-22 |
Family
ID=12709740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56045095A Granted JPS57159328A (en) | 1981-03-27 | 1981-03-27 | Keyboard discriminating system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57159328A (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5966735A (ja) * | 1982-10-08 | 1984-04-16 | Hitachi Ltd | ワ−ドプロセツサ |
JPS59163626A (ja) * | 1983-03-07 | 1984-09-14 | Sanyo Electric Co Ltd | キ−ボ−ド識別方式 |
JPS61101193A (ja) * | 1984-10-24 | 1986-05-20 | Matsushita Electric Ind Co Ltd | ボタン電話装置 |
JPS62201485U (ko) * | 1986-06-13 | 1987-12-22 | ||
NL8901018A (nl) * | 1989-04-24 | 1990-11-16 | Philips Nv | Electronisch telefoontoestel. |
JPH0887367A (ja) * | 1994-07-20 | 1996-04-02 | Fujitsu Ltd | キーコード出力装置及びキーボード |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56155437A (en) * | 1980-05-02 | 1981-12-01 | Nec Corp | Key code reading circuit |
-
1981
- 1981-03-27 JP JP56045095A patent/JPS57159328A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56155437A (en) * | 1980-05-02 | 1981-12-01 | Nec Corp | Key code reading circuit |
Also Published As
Publication number | Publication date |
---|---|
JPS57159328A (en) | 1982-10-01 |
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