JPS63131258U - - Google Patents
Info
- Publication number
- JPS63131258U JPS63131258U JP1787187U JP1787187U JPS63131258U JP S63131258 U JPS63131258 U JP S63131258U JP 1787187 U JP1787187 U JP 1787187U JP 1787187 U JP1787187 U JP 1787187U JP S63131258 U JPS63131258 U JP S63131258U
- Authority
- JP
- Japan
- Prior art keywords
- reading
- optical image
- writing sheet
- image information
- image
- 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
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
- Facsimiles In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1787187U JPS63131258U (en18) | 1987-02-12 | 1987-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1787187U JPS63131258U (en18) | 1987-02-12 | 1987-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63131258U true JPS63131258U (en18) | 1988-08-26 |
Family
ID=30811026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1787187U Pending JPS63131258U (en18) | 1987-02-12 | 1987-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63131258U (en18) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63138861A (ja) * | 1986-11-29 | 1988-06-10 | Mita Ind Co Ltd | 電子黒板 |
-
1987
- 1987-02-12 JP JP1787187U patent/JPS63131258U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63138861A (ja) * | 1986-11-29 | 1988-06-10 | Mita Ind Co Ltd | 電子黒板 |