JPH03127335U - - Google Patents
Info
- Publication number
- JPH03127335U JPH03127335U JP3581490U JP3581490U JPH03127335U JP H03127335 U JPH03127335 U JP H03127335U JP 3581490 U JP3581490 U JP 3581490U JP 3581490 U JP3581490 U JP 3581490U JP H03127335 U JPH03127335 U JP H03127335U
- Authority
- JP
- Japan
- Prior art keywords
- fresnel lens
- projection
- parallel
- overhead projector
- reflecting mirrors
- 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
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3581490U JPH03127335U (en]) | 1990-04-03 | 1990-04-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3581490U JPH03127335U (en]) | 1990-04-03 | 1990-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03127335U true JPH03127335U (en]) | 1991-12-20 |
Family
ID=31541499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3581490U Pending JPH03127335U (en]) | 1990-04-03 | 1990-04-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03127335U (en]) |
-
1990
- 1990-04-03 JP JP3581490U patent/JPH03127335U/ja active Pending
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