JPH01177739U - - Google Patents
Info
- Publication number
- JPH01177739U JPH01177739U JP7554688U JP7554688U JPH01177739U JP H01177739 U JPH01177739 U JP H01177739U JP 7554688 U JP7554688 U JP 7554688U JP 7554688 U JP7554688 U JP 7554688U JP H01177739 U JPH01177739 U JP H01177739U
- Authority
- JP
- Japan
- Prior art keywords
- image
- light source
- original image
- optical axis
- respect
- 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
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000001678 irradiating effect Effects 0.000 claims 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988075546U JPH0521071Y2 (2) | 1988-06-07 | 1988-06-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988075546U JPH0521071Y2 (2) | 1988-06-07 | 1988-06-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01177739U true JPH01177739U (2) | 1989-12-19 |
| JPH0521071Y2 JPH0521071Y2 (2) | 1993-05-31 |
Family
ID=31300609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988075546U Expired - Lifetime JPH0521071Y2 (2) | 1988-06-07 | 1988-06-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0521071Y2 (2) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5938434U (ja) * | 1982-09-03 | 1984-03-10 | 株式会社学習研究社 | オ−バ−ヘツドプロジエクタ−用スライド投影装置 |
-
1988
- 1988-06-07 JP JP1988075546U patent/JPH0521071Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5938434U (ja) * | 1982-09-03 | 1984-03-10 | 株式会社学習研究社 | オ−バ−ヘツドプロジエクタ−用スライド投影装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0521071Y2 (2) | 1993-05-31 |
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