JPH01150306U - - Google Patents
Info
- Publication number
- JPH01150306U JPH01150306U JP1988046856U JP4685688U JPH01150306U JP H01150306 U JPH01150306 U JP H01150306U JP 1988046856 U JP1988046856 U JP 1988046856U JP 4685688 U JP4685688 U JP 4685688U JP H01150306 U JPH01150306 U JP H01150306U
- Authority
- JP
- Japan
- Prior art keywords
- fresnel
- lens
- elliptical
- fresnel step
- base line
- 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
- 239000011295 pitch Substances 0.000 claims 6
- 238000010586 diagram Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 1
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988046856U JPH071685Y2 (ja) | 1988-04-08 | 1988-04-08 | 楕円フレネルレンズを有する車輌灯具用レンズ |
US07/334,620 US4927248A (en) | 1988-04-08 | 1989-04-07 | Vehicle lamp lens having Fresnel lens |
DE3911443A DE3911443C2 (de) | 1988-04-08 | 1989-04-07 | Optische Leuchtenabdeckung mit Fresnel-Prismen, deren Verwendung sowie ein Verfahren zu ihrer Herstellung |
KR1019890004628A KR920006724B1 (ko) | 1988-04-08 | 1989-04-08 | 프레넬 렌즈를 갖는 차량램프 렌즈 |
FR898904684A FR2629899B1 (enrdf_load_stackoverflow) | 1988-04-08 | 1989-04-10 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988046856U JPH071685Y2 (ja) | 1988-04-08 | 1988-04-08 | 楕円フレネルレンズを有する車輌灯具用レンズ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01150306U true JPH01150306U (enrdf_load_stackoverflow) | 1989-10-18 |
JPH071685Y2 JPH071685Y2 (ja) | 1995-01-18 |
Family
ID=31273103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988046856U Expired - Lifetime JPH071685Y2 (ja) | 1988-04-08 | 1988-04-08 | 楕円フレネルレンズを有する車輌灯具用レンズ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH071685Y2 (enrdf_load_stackoverflow) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5713962A (en) * | 1980-06-26 | 1982-01-25 | Mitsubishi Electric Corp | Rotor for superconductive electric rotary machine |
JPS6125124U (ja) * | 1984-07-19 | 1986-02-14 | 矢崎化工株式会社 | 射出成形用金型装置 |
-
1988
- 1988-04-08 JP JP1988046856U patent/JPH071685Y2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5713962A (en) * | 1980-06-26 | 1982-01-25 | Mitsubishi Electric Corp | Rotor for superconductive electric rotary machine |
JPS6125124U (ja) * | 1984-07-19 | 1986-02-14 | 矢崎化工株式会社 | 射出成形用金型装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH071685Y2 (ja) | 1995-01-18 |