JPS6436832U - - Google Patents
Info
- Publication number
- JPS6436832U JPS6436832U JP13129387U JP13129387U JPS6436832U JP S6436832 U JPS6436832 U JP S6436832U JP 13129387 U JP13129387 U JP 13129387U JP 13129387 U JP13129387 U JP 13129387U JP S6436832 U JPS6436832 U JP S6436832U
- Authority
- JP
- Japan
- Prior art keywords
- lamp
- projection
- fresnel plate
- overhead projector
- transparent original
- 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
- 238000001816 cooling Methods 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims 2
- 230000003287 optical effect Effects 0.000 claims 2
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13129387U JPS6436832U (en, 2012) | 1987-08-28 | 1987-08-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13129387U JPS6436832U (en, 2012) | 1987-08-28 | 1987-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6436832U true JPS6436832U (en, 2012) | 1989-03-06 |
Family
ID=31387221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13129387U Pending JPS6436832U (en, 2012) | 1987-08-28 | 1987-08-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6436832U (en, 2012) |
-
1987
- 1987-08-28 JP JP13129387U patent/JPS6436832U/ja active Pending