JPH056824B2 - - Google Patents
Info
- Publication number
- JPH056824B2 JPH056824B2 JP60159043A JP15904385A JPH056824B2 JP H056824 B2 JPH056824 B2 JP H056824B2 JP 60159043 A JP60159043 A JP 60159043A JP 15904385 A JP15904385 A JP 15904385A JP H056824 B2 JPH056824 B2 JP H056824B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- blackboard
- counting
- arm
- pulse
- 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
- 238000003708 edge detection Methods 0.000 claims description 12
- 230000000630 rising effect Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
Landscapes
- Facsimile Scanning Arrangements (AREA)
- Drawing Aids And Blackboards (AREA)
- Position Input By Displaying (AREA)
- Facsimiles In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60159043A JPS6218865A (ja) | 1985-07-18 | 1985-07-18 | 電子黒板 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60159043A JPS6218865A (ja) | 1985-07-18 | 1985-07-18 | 電子黒板 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6218865A JPS6218865A (ja) | 1987-01-27 |
| JPH056824B2 true JPH056824B2 (OSRAM) | 1993-01-27 |
Family
ID=15684981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60159043A Granted JPS6218865A (ja) | 1985-07-18 | 1985-07-18 | 電子黒板 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6218865A (OSRAM) |
-
1985
- 1985-07-18 JP JP60159043A patent/JPS6218865A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6218865A (ja) | 1987-01-27 |
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