JPH03129953U - - Google Patents
Info
- Publication number
- JPH03129953U JPH03129953U JP3843990U JP3843990U JPH03129953U JP H03129953 U JPH03129953 U JP H03129953U JP 3843990 U JP3843990 U JP 3843990U JP 3843990 U JP3843990 U JP 3843990U JP H03129953 U JPH03129953 U JP H03129953U
- Authority
- JP
- Japan
- Prior art keywords
- light
- shielding film
- cable
- winding roller
- winding
- 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Mounting And Adjusting Of Optical Elements (AREA)
- Projection-Type Copiers In General (AREA)
- Optical Systems Of Projection Type Copiers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3843990U JP2512076Y2 (ja) | 1990-04-09 | 1990-04-09 | 光学機器の遮光膜装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3843990U JP2512076Y2 (ja) | 1990-04-09 | 1990-04-09 | 光学機器の遮光膜装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03129953U true JPH03129953U (enExample) | 1991-12-26 |
| JP2512076Y2 JP2512076Y2 (ja) | 1996-09-25 |
Family
ID=31546448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3843990U Expired - Lifetime JP2512076Y2 (ja) | 1990-04-09 | 1990-04-09 | 光学機器の遮光膜装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2512076Y2 (enExample) |
-
1990
- 1990-04-09 JP JP3843990U patent/JP2512076Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2512076Y2 (ja) | 1996-09-25 |
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