JPS6199103U - - Google Patents
Info
- Publication number
- JPS6199103U JPS6199103U JP1984183032U JP18303284U JPS6199103U JP S6199103 U JPS6199103 U JP S6199103U JP 1984183032 U JP1984183032 U JP 1984183032U JP 18303284 U JP18303284 U JP 18303284U JP S6199103 U JPS6199103 U JP S6199103U
- Authority
- JP
- Japan
- Prior art keywords
- filter
- light
- surface side
- observation surface
- transmission screen
- 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
- 230000005540 biological transmission Effects 0.000 claims 2
Landscapes
- Overhead Projectors And Projection Screens (AREA)
- Optical Elements Other Than Lenses (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984183032U JPS6199103U (fr) | 1984-11-30 | 1984-11-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1984183032U JPS6199103U (fr) | 1984-11-30 | 1984-11-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6199103U true JPS6199103U (fr) | 1986-06-25 |
Family
ID=30740553
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1984183032U Pending JPS6199103U (fr) | 1984-11-30 | 1984-11-30 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6199103U (fr) |
-
1984
- 1984-11-30 JP JP1984183032U patent/JPS6199103U/ja active Pending