JPS63116907U - - Google Patents
Info
- Publication number
- JPS63116907U JPS63116907U JP560087U JP560087U JPS63116907U JP S63116907 U JPS63116907 U JP S63116907U JP 560087 U JP560087 U JP 560087U JP 560087 U JP560087 U JP 560087U JP S63116907 U JPS63116907 U JP S63116907U
- Authority
- JP
- Japan
- Prior art keywords
- front lens
- fresnel prism
- provided near
- light source
- center
- 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 3
Landscapes
- Optical Elements Other Than Lenses (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP560087U JPS63116907U ( ) | 1987-01-20 | 1987-01-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP560087U JPS63116907U ( ) | 1987-01-20 | 1987-01-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63116907U true JPS63116907U ( ) | 1988-07-28 |
Family
ID=30787335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP560087U Pending JPS63116907U ( ) | 1987-01-20 | 1987-01-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63116907U ( ) |
-
1987
- 1987-01-20 JP JP560087U patent/JPS63116907U/ja active Pending