JPS63135340U - - Google Patents
Info
- Publication number
- JPS63135340U JPS63135340U JP2811887U JP2811887U JPS63135340U JP S63135340 U JPS63135340 U JP S63135340U JP 2811887 U JP2811887 U JP 2811887U JP 2811887 U JP2811887 U JP 2811887U JP S63135340 U JPS63135340 U JP S63135340U
- Authority
- JP
- Japan
- Prior art keywords
- light shielding
- annular groove
- opening
- lens barrel
- shielding member
- 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
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Exposure Or Original Feeding In Electrophotography (AREA)
- Variable Magnification In Projection-Type Copying Machines (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2811887U JPS63135340U (it) | 1987-02-27 | 1987-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2811887U JPS63135340U (it) | 1987-02-27 | 1987-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63135340U true JPS63135340U (it) | 1988-09-06 |
Family
ID=30830784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2811887U Pending JPS63135340U (it) | 1987-02-27 | 1987-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63135340U (it) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55159466A (en) * | 1979-05-30 | 1980-12-11 | Fuji Xerox Co Ltd | Exposure device of electrophotographic copying machine |
| JPS5868064A (ja) * | 1981-10-19 | 1983-04-22 | Canon Inc | 可変倍像形成装置 |
-
1987
- 1987-02-27 JP JP2811887U patent/JPS63135340U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55159466A (en) * | 1979-05-30 | 1980-12-11 | Fuji Xerox Co Ltd | Exposure device of electrophotographic copying machine |
| JPS5868064A (ja) * | 1981-10-19 | 1983-04-22 | Canon Inc | 可変倍像形成装置 |