JPS6419942U - - Google Patents
Info
- Publication number
- JPS6419942U JPS6419942U JP11469587U JP11469587U JPS6419942U JP S6419942 U JPS6419942 U JP S6419942U JP 11469587 U JP11469587 U JP 11469587U JP 11469587 U JP11469587 U JP 11469587U JP S6419942 U JPS6419942 U JP S6419942U
- Authority
- JP
- Japan
- Prior art keywords
- illumination lamp
- imaging lens
- projected
- overhead projector
- reflective
- 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.)
- Granted
Links
- 238000005286 illumination Methods 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 claims description 3
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987114695U JPH0521070Y2 (de) | 1987-07-27 | 1987-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987114695U JPH0521070Y2 (de) | 1987-07-27 | 1987-07-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6419942U true JPS6419942U (de) | 1989-01-31 |
| JPH0521070Y2 JPH0521070Y2 (de) | 1993-05-31 |
Family
ID=31355678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987114695U Expired - Lifetime JPH0521070Y2 (de) | 1987-07-27 | 1987-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0521070Y2 (de) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59173051U (ja) * | 1983-05-02 | 1984-11-19 | 株式会社リコー | 反射型オ−バヘツドプロジエクタ |
-
1987
- 1987-07-27 JP JP1987114695U patent/JPH0521070Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59173051U (ja) * | 1983-05-02 | 1984-11-19 | 株式会社リコー | 反射型オ−バヘツドプロジエクタ |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0521070Y2 (de) | 1993-05-31 |