JPH0244409Y2 - - Google Patents
Info
- Publication number
- JPH0244409Y2 JPH0244409Y2 JP1986163705U JP16370586U JPH0244409Y2 JP H0244409 Y2 JPH0244409 Y2 JP H0244409Y2 JP 1986163705 U JP1986163705 U JP 1986163705U JP 16370586 U JP16370586 U JP 16370586U JP H0244409 Y2 JPH0244409 Y2 JP H0244409Y2
- Authority
- JP
- Japan
- Prior art keywords
- fresnel lens
- lens
- steps
- lens step
- fresnel
- 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
- 230000003287 optical effect Effects 0.000 claims description 9
- 230000000694 effects Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986163705U JPH0244409Y2 (en(2012)) | 1986-10-24 | 1986-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986163705U JPH0244409Y2 (en(2012)) | 1986-10-24 | 1986-10-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6369404U JPS6369404U (en(2012)) | 1988-05-10 |
| JPH0244409Y2 true JPH0244409Y2 (en(2012)) | 1990-11-26 |
Family
ID=31092154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986163705U Expired JPH0244409Y2 (en(2012)) | 1986-10-24 | 1986-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0244409Y2 (en(2012)) |
-
1986
- 1986-10-24 JP JP1986163705U patent/JPH0244409Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6369404U (en(2012)) | 1988-05-10 |