JPH03131011U - - Google Patents
Info
- Publication number
- JPH03131011U JPH03131011U JP3904590U JP3904590U JPH03131011U JP H03131011 U JPH03131011 U JP H03131011U JP 3904590 U JP3904590 U JP 3904590U JP 3904590 U JP3904590 U JP 3904590U JP H03131011 U JPH03131011 U JP H03131011U
- Authority
- JP
- Japan
- Prior art keywords
- lens
- outer lens
- difference
- distance
- inner 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
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
Landscapes
- Optical Elements Other Than Lenses (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3904590U JPH03131011U (cs) | 1990-04-13 | 1990-04-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3904590U JPH03131011U (cs) | 1990-04-13 | 1990-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03131011U true JPH03131011U (cs) | 1991-12-27 |
Family
ID=31547594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3904590U Pending JPH03131011U (cs) | 1990-04-13 | 1990-04-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03131011U (cs) |
-
1990
- 1990-04-13 JP JP3904590U patent/JPH03131011U/ja active Pending