JPH071685Y2 - 楕円フレネルレンズを有する車輌灯具用レンズ - Google Patents

楕円フレネルレンズを有する車輌灯具用レンズ

Info

Publication number
JPH071685Y2
JPH071685Y2 JP1988046856U JP4685688U JPH071685Y2 JP H071685 Y2 JPH071685 Y2 JP H071685Y2 JP 1988046856 U JP1988046856 U JP 1988046856U JP 4685688 U JP4685688 U JP 4685688U JP H071685 Y2 JPH071685 Y2 JP H071685Y2
Authority
JP
Japan
Prior art keywords
lens
fresnel
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.)
Expired - Lifetime
Application number
JP1988046856U
Other languages
English (en)
Japanese (ja)
Other versions
JPH01150306U (enExample
Inventor
公一 ▲榊▼原
康夫 小澤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koito Manufacturing Co Ltd
Original Assignee
Koito Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koito Manufacturing Co Ltd filed Critical Koito Manufacturing Co Ltd
Priority to JP1988046856U priority Critical patent/JPH071685Y2/ja
Priority to US07/334,620 priority patent/US4927248A/en
Priority to DE3911443A priority patent/DE3911443C2/de
Priority to KR1019890004628A priority patent/KR920006724B1/ko
Priority to FR898904684A priority patent/FR2629899B1/fr
Publication of JPH01150306U publication Critical patent/JPH01150306U/ja
Application granted granted Critical
Publication of JPH071685Y2 publication Critical patent/JPH071685Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP1988046856U 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 Expired - Lifetime JPH071685Y2 (ja)

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 (enExample) 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 JPH01150306U (enExample) 1989-10-18
JPH071685Y2 true 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 (enExample)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
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
JPH01150306U (enExample) 1989-10-18

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