JPH0643922Y2 - スポツトライト用フレネルレンズ - Google Patents
スポツトライト用フレネルレンズInfo
- Publication number
- JPH0643922Y2 JPH0643922Y2 JP1986140745U JP14074586U JPH0643922Y2 JP H0643922 Y2 JPH0643922 Y2 JP H0643922Y2 JP 1986140745 U JP1986140745 U JP 1986140745U JP 14074586 U JP14074586 U JP 14074586U JP H0643922 Y2 JPH0643922 Y2 JP H0643922Y2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- fresnel lens
- optical axis
- major axis
- ellipse
- 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 - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 230000004075 alteration Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 2
- 206010073261 Ovarian theca cell tumour Diseases 0.000 description 1
- 201000009310 astigmatism Diseases 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 208000001644 thecoma Diseases 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986140745U JPH0643922Y2 (ja) | 1986-09-13 | 1986-09-13 | スポツトライト用フレネルレンズ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986140745U JPH0643922Y2 (ja) | 1986-09-13 | 1986-09-13 | スポツトライト用フレネルレンズ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6347302U JPS6347302U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-03-31 |
| JPH0643922Y2 true JPH0643922Y2 (ja) | 1994-11-14 |
Family
ID=31047885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986140745U Expired - Lifetime JPH0643922Y2 (ja) | 1986-09-13 | 1986-09-13 | スポツトライト用フレネルレンズ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0643922Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4033300B2 (ja) * | 2003-06-09 | 2008-01-16 | ラボ・スフィア株式会社 | 光学媒体 |
| KR100770424B1 (ko) * | 2006-12-13 | 2007-10-26 | 삼성전기주식회사 | 발광 다이오드 패키지 및 그 제조 방법 |
-
1986
- 1986-09-13 JP JP1986140745U patent/JPH0643922Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6347302U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1988-03-31 |