JPH0389432U - - Google Patents
Info
- Publication number
- JPH0389432U JPH0389432U JP15006789U JP15006789U JPH0389432U JP H0389432 U JPH0389432 U JP H0389432U JP 15006789 U JP15006789 U JP 15006789U JP 15006789 U JP15006789 U JP 15006789U JP H0389432 U JPH0389432 U JP H0389432U
- Authority
- JP
- Japan
- Prior art keywords
- light source
- fresnel lens
- condensing fresnel
- optical axis
- lens
- 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
- 239000011521 glass Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15006789U JPH0389432U (2) | 1989-12-28 | 1989-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15006789U JPH0389432U (2) | 1989-12-28 | 1989-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0389432U true JPH0389432U (2) | 1991-09-12 |
Family
ID=31696435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15006789U Pending JPH0389432U (2) | 1989-12-28 | 1989-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0389432U (2) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59201031A (ja) * | 1983-04-30 | 1984-11-14 | Fuji Xerox Co Ltd | オ−バ−ヘツドプロジエクタ |
-
1989
- 1989-12-28 JP JP15006789U patent/JPH0389432U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59201031A (ja) * | 1983-04-30 | 1984-11-14 | Fuji Xerox Co Ltd | オ−バ−ヘツドプロジエクタ |
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