JPS6369404U - - Google Patents
Info
- Publication number
- JPS6369404U JPS6369404U JP16370586U JP16370586U JPS6369404U JP S6369404 U JPS6369404 U JP S6369404U JP 16370586 U JP16370586 U JP 16370586U JP 16370586 U JP16370586 U JP 16370586U JP S6369404 U JPS6369404 U JP S6369404U
- Authority
- JP
- Japan
- Prior art keywords
- fresnel lens
- lens
- lens step
- fresnel
- front 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16370586U JPH0244409Y2 (de) | 1986-10-24 | 1986-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16370586U JPH0244409Y2 (de) | 1986-10-24 | 1986-10-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6369404U true JPS6369404U (de) | 1988-05-10 |
| JPH0244409Y2 JPH0244409Y2 (de) | 1990-11-26 |
Family
ID=31092154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16370586U Expired JPH0244409Y2 (de) | 1986-10-24 | 1986-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0244409Y2 (de) |
-
1986
- 1986-10-24 JP JP16370586U patent/JPH0244409Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0244409Y2 (de) | 1990-11-26 |