JPH054761B2 - - Google Patents

Info

Publication number
JPH054761B2
JPH054761B2 JP63089645A JP8964588A JPH054761B2 JP H054761 B2 JPH054761 B2 JP H054761B2 JP 63089645 A JP63089645 A JP 63089645A JP 8964588 A JP8964588 A JP 8964588A JP H054761 B2 JPH054761 B2 JP H054761B2
Authority
JP
Japan
Prior art keywords
lens
fresnel
pitch
base line
baseline
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
JP63089645A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01260704A (ja
Inventor
Koichi Sakakibara
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 JP63089645A priority Critical patent/JPH01260704A/ja
Priority to DE3911443A priority patent/DE3911443C2/de
Priority to US07/334,620 priority patent/US4927248A/en
Priority to KR1019890004628A priority patent/KR920006724B1/ko
Priority to FR898904684A priority patent/FR2629899B1/fr
Publication of JPH01260704A publication Critical patent/JPH01260704A/ja
Publication of JPH054761B2 publication Critical patent/JPH054761B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
JP63089645A 1988-04-08 1988-04-11 フレネルレンズを有する車輌灯具用レンズ Granted JPH01260704A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP63089645A JPH01260704A (ja) 1988-04-11 1988-04-11 フレネルレンズを有する車輌灯具用レンズ
DE3911443A DE3911443C2 (de) 1988-04-08 1989-04-07 Optische Leuchtenabdeckung mit Fresnel-Prismen, deren Verwendung sowie ein Verfahren zu ihrer Herstellung
US07/334,620 US4927248A (en) 1988-04-08 1989-04-07 Vehicle lamp lens having Fresnel lens
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
JP63089645A JPH01260704A (ja) 1988-04-11 1988-04-11 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
JPH01260704A JPH01260704A (ja) 1989-10-18
JPH054761B2 true JPH054761B2 (enrdf_load_stackoverflow) 1993-01-20

Family

ID=13976504

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63089645A Granted JPH01260704A (ja) 1988-04-08 1988-04-11 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) JPH01260704A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTO980590A1 (it) * 1998-07-06 2000-01-06 C R F Societa Consotile Per Az Fanale per autoveicoli con lenti di resnel segmentate
JP2016500156A (ja) * 2012-11-30 2016-01-07 エシロール アンテルナシオナル （コンパニー ジェネラル ドプティック） フレネルレンズおよび光学装置

Also Published As

Publication number Publication date
JPH01260704A (ja) 1989-10-18

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