JPS5640342B2 - - Google Patents
Info
- Publication number
- JPS5640342B2 JPS5640342B2 JP4979374A JP4979374A JPS5640342B2 JP S5640342 B2 JPS5640342 B2 JP S5640342B2 JP 4979374 A JP4979374 A JP 4979374A JP 4979374 A JP4979374 A JP 4979374A JP S5640342 B2 JPS5640342 B2 JP S5640342B2
- Authority
- JP
- Japan
- 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
Landscapes
- Drawing Aids And Blackboards (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4979374A JPS5640342B2 (https=) | 1974-05-07 | 1974-05-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4979374A JPS5640342B2 (https=) | 1974-05-07 | 1974-05-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50143534A JPS50143534A (https=) | 1975-11-19 |
| JPS5640342B2 true JPS5640342B2 (https=) | 1981-09-19 |
Family
ID=12841019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4979374A Expired JPS5640342B2 (https=) | 1974-05-07 | 1974-05-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5640342B2 (https=) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6163651U (https=) * | 1984-09-28 | 1986-04-30 | ||
| JPS6186640U (https=) * | 1984-11-14 | 1986-06-06 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56107255A (en) * | 1980-01-30 | 1981-08-26 | Ricoh Co Ltd | Method and device for multiple-sheet copying |
| JPS59212866A (ja) * | 1983-05-18 | 1984-12-01 | Oki Electric Ind Co Ltd | 電子黒板装置 |
| JPS60161343U (ja) * | 1984-04-04 | 1985-10-26 | ノーリツ鋼機株式会社 | プリンタ− |
| US4760465A (en) * | 1984-11-29 | 1988-07-26 | Ricoh Company, Ltd. | Electronic blackboard which detects an abnormal operating condition by reading a non-image section of a writing surface at power-up |
-
1974
- 1974-05-07 JP JP4979374A patent/JPS5640342B2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6163651U (https=) * | 1984-09-28 | 1986-04-30 | ||
| JPS6186640U (https=) * | 1984-11-14 | 1986-06-06 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50143534A (https=) | 1975-11-19 |