JPS57147739A - Optical keyboard device - Google Patents
Optical keyboard deviceInfo
- Publication number
- JPS57147739A JPS57147739A JP56034107A JP3410781A JPS57147739A JP S57147739 A JPS57147739 A JP S57147739A JP 56034107 A JP56034107 A JP 56034107A JP 3410781 A JP3410781 A JP 3410781A JP S57147739 A JPS57147739 A JP S57147739A
- Authority
- JP
- Japan
- Prior art keywords
- key
- angle detection
- detection plate
- emitting
- light
- 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
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
- G06F3/0423—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen using sweeping light beams, e.g. using rotating or vibrating mirror
-
- 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
- H03M11/26—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys using opto-electronic means
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Push-Button Switches (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Input From Keyboards Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56034107A JPS57147739A (en) | 1981-03-10 | 1981-03-10 | Optical keyboard device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56034107A JPS57147739A (en) | 1981-03-10 | 1981-03-10 | Optical keyboard device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57147739A true JPS57147739A (en) | 1982-09-11 |
Family
ID=12405047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56034107A Pending JPS57147739A (en) | 1981-03-10 | 1981-03-10 | Optical keyboard device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57147739A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS618817A (ja) * | 1984-06-22 | 1986-01-16 | 田中 清夫 | 無接点スイツチ装置 |
JPH03109627A (ja) * | 1989-09-22 | 1991-05-09 | Tsuoisu Kk | キーボードの打込みキー判別方法および打込みキー判別装置 |
JP2015170467A (ja) * | 2014-03-06 | 2015-09-28 | 三菱電機ビルテクノサービス株式会社 | エレベーターの押ボタン装置 |
-
1981
- 1981-03-10 JP JP56034107A patent/JPS57147739A/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS618817A (ja) * | 1984-06-22 | 1986-01-16 | 田中 清夫 | 無接点スイツチ装置 |
JPH03109627A (ja) * | 1989-09-22 | 1991-05-09 | Tsuoisu Kk | キーボードの打込みキー判別方法および打込みキー判別装置 |
JP2015170467A (ja) * | 2014-03-06 | 2015-09-28 | 三菱電機ビルテクノサービス株式会社 | エレベーターの押ボタン装置 |
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