JPS62155558U - - Google Patents
Info
- Publication number
- JPS62155558U JPS62155558U JP4285586U JP4285586U JPS62155558U JP S62155558 U JPS62155558 U JP S62155558U JP 4285586 U JP4285586 U JP 4285586U JP 4285586 U JP4285586 U JP 4285586U JP S62155558 U JPS62155558 U JP S62155558U
- Authority
- JP
- Japan
- Prior art keywords
- screen
- written
- projection means
- screen device
- sensor
- 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
- 238000010586 diagram Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 1
Landscapes
- Facsimiles In General (AREA)
- Drawing Aids And Blackboards (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4285586U JPS62155558U (zh) | 1986-03-24 | 1986-03-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4285586U JPS62155558U (zh) | 1986-03-24 | 1986-03-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62155558U true JPS62155558U (zh) | 1987-10-02 |
Family
ID=30859169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4285586U Pending JPS62155558U (zh) | 1986-03-24 | 1986-03-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62155558U (zh) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6220467A (ja) * | 1985-07-19 | 1987-01-29 | Oki Electric Ind Co Ltd | 電子黒板装置 |
-
1986
- 1986-03-24 JP JP4285586U patent/JPS62155558U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6220467A (ja) * | 1985-07-19 | 1987-01-29 | Oki Electric Ind Co Ltd | 電子黒板装置 |
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