JPH0232470Y2 - - Google Patents
Info
- Publication number
- JPH0232470Y2 JPH0232470Y2 JP1981064555U JP6455581U JPH0232470Y2 JP H0232470 Y2 JPH0232470 Y2 JP H0232470Y2 JP 1981064555 U JP1981064555 U JP 1981064555U JP 6455581 U JP6455581 U JP 6455581U JP H0232470 Y2 JPH0232470 Y2 JP H0232470Y2
- Authority
- JP
- Japan
- Prior art keywords
- blackboard
- reading head
- section
- display surface
- recording
- 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
Links
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Drawing Aids And Blackboards (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
- Facsimile Scanning Arrangements (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981064555U JPH0232470Y2 (US20080094685A1-20080424-C00004.png) | 1981-05-02 | 1981-05-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981064555U JPH0232470Y2 (US20080094685A1-20080424-C00004.png) | 1981-05-02 | 1981-05-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57176767U JPS57176767U (US20080094685A1-20080424-C00004.png) | 1982-11-09 |
| JPH0232470Y2 true JPH0232470Y2 (US20080094685A1-20080424-C00004.png) | 1990-09-03 |
Family
ID=29860611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981064555U Expired JPH0232470Y2 (US20080094685A1-20080424-C00004.png) | 1981-05-02 | 1981-05-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0232470Y2 (US20080094685A1-20080424-C00004.png) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59171695A (ja) * | 1983-03-18 | 1984-09-28 | 沖電気工業株式会社 | 電子黒板装置 |
| JPS59187494U (ja) * | 1983-06-01 | 1984-12-12 | 沖電気工業株式会社 | 電子黒板装置 |
| JPS60226276A (ja) * | 1984-04-25 | 1985-11-11 | Fujitsu Ltd | 電子黒板装置 |
| JPS60173392U (ja) * | 1984-04-27 | 1985-11-16 | 沖電気工業株式会社 | 電子黒板装置 |
| JPS6157396A (ja) * | 1985-04-02 | 1986-03-24 | 沖電気工業株式会社 | 電子黒板用筆記媒体 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50141330A (US20080094685A1-20080424-C00004.png) * | 1974-04-30 | 1975-11-13 | ||
| JPS545337A (en) * | 1977-06-15 | 1979-01-16 | Hitachi Ltd | Semiconductor circuit |
| JPS5527889U (US20080094685A1-20080424-C00004.png) * | 1978-08-14 | 1980-02-22 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5453337U (US20080094685A1-20080424-C00004.png) * | 1977-09-22 | 1979-04-13 | ||
| JPS57111595U (US20080094685A1-20080424-C00004.png) * | 1980-12-26 | 1982-07-09 | ||
| JPS57111593U (US20080094685A1-20080424-C00004.png) * | 1980-12-26 | 1982-07-09 |
-
1981
- 1981-05-02 JP JP1981064555U patent/JPH0232470Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50141330A (US20080094685A1-20080424-C00004.png) * | 1974-04-30 | 1975-11-13 | ||
| JPS545337A (en) * | 1977-06-15 | 1979-01-16 | Hitachi Ltd | Semiconductor circuit |
| JPS5527889U (US20080094685A1-20080424-C00004.png) * | 1978-08-14 | 1980-02-22 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57176767U (US20080094685A1-20080424-C00004.png) | 1982-11-09 |
