JPH0422343Y2 - - Google Patents
Info
- Publication number
- JPH0422343Y2 JPH0422343Y2 JP5588686U JP5588686U JPH0422343Y2 JP H0422343 Y2 JPH0422343 Y2 JP H0422343Y2 JP 5588686 U JP5588686 U JP 5588686U JP 5588686 U JP5588686 U JP 5588686U JP H0422343 Y2 JPH0422343 Y2 JP H0422343Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- filter
- stage
- blocking
- holding fitting
- 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.)
- Expired
Links
- 230000000903 blocking effect Effects 0.000 claims description 2
- 210000003128 head Anatomy 0.000 description 3
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Overhead Projectors And Projection Screens (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5588686U JPH0422343Y2 (enrdf_load_stackoverflow) | 1986-04-14 | 1986-04-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5588686U JPH0422343Y2 (enrdf_load_stackoverflow) | 1986-04-14 | 1986-04-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62167236U JPS62167236U (enrdf_load_stackoverflow) | 1987-10-23 |
| JPH0422343Y2 true JPH0422343Y2 (enrdf_load_stackoverflow) | 1992-05-21 |
Family
ID=30884200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5588686U Expired JPH0422343Y2 (enrdf_load_stackoverflow) | 1986-04-14 | 1986-04-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0422343Y2 (enrdf_load_stackoverflow) |
-
1986
- 1986-04-14 JP JP5588686U patent/JPH0422343Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62167236U (enrdf_load_stackoverflow) | 1987-10-23 |
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