FR2799270B1 - Procede de determination de la surface d'un reflecteur, et lampe pour vehicule comprenant celui-ci - Google Patents

Procede de determination de la surface d'un reflecteur, et lampe pour vehicule comprenant celui-ci

Info

Publication number
FR2799270B1
FR2799270B1 FR0012413A FR0012413A FR2799270B1 FR 2799270 B1 FR2799270 B1 FR 2799270B1 FR 0012413 A FR0012413 A FR 0012413A FR 0012413 A FR0012413 A FR 0012413A FR 2799270 B1 FR2799270 B1 FR 2799270B1
Authority
FR
France
Prior art keywords
reflector
lamp
vehicle
determining
same
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 - Fee Related
Application number
FR0012413A
Other languages
English (en)
Other versions
FR2799270A1 (fr
Inventor
Kazunori Natsume
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
Publication of FR2799270A1 publication Critical patent/FR2799270A1/fr
Application granted granted Critical
Publication of FR2799270B1 publication Critical patent/FR2799270B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/331—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas
    • F21S41/333—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of complete annular areas with discontinuity at the junction between adjacent areas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32—Optical layout thereof
    • F21S41/33—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature
    • F21S41/334—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F21S43/30—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights characterised by reflectors

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
FR0012413A 1999-10-01 2000-09-29 Procede de determination de la surface d'un reflecteur, et lampe pour vehicule comprenant celui-ci Expired - Fee Related FR2799270B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28168199A JP4031600B2 (ja) 1999-10-01 1999-10-01 車両用灯具の反射鏡の反射面決定方法

Publications (2)

Publication Number Publication Date
FR2799270A1 FR2799270A1 (fr) 2001-04-06
FR2799270B1 true FR2799270B1 (fr) 2005-07-29

Family

ID=17642512

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0012413A Expired - Fee Related FR2799270B1 (fr) 1999-10-01 2000-09-29 Procede de determination de la surface d'un reflecteur, et lampe pour vehicule comprenant celui-ci

Country Status (6)

Country Link
US (1) US6361195B1 (fr)
JP (1) JP4031600B2 (fr)
KR (1) KR100389783B1 (fr)
DE (1) DE10048141A1 (fr)
FR (1) FR2799270B1 (fr)
GB (1) GB2360378B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4031600B2 (ja) * 1999-10-01 2008-01-09 株式会社小糸製作所 車両用灯具の反射鏡の反射面決定方法
JP2001195909A (ja) * 2000-01-07 2001-07-19 Koito Mfg Co Ltd 車両用灯具の反射鏡の反射面決定方法
JP3990523B2 (ja) * 2000-01-20 2007-10-17 株式会社小糸製作所 反射鏡のための基礎曲面を評価する方法、反射鏡のための基礎曲面を評価する評価システム、および記録媒体
JP2002245814A (ja) * 2001-02-20 2002-08-30 Koito Mfg Co Ltd 車両用灯具の反射鏡の反射面決定方法、及び車両用灯具
JP2003162907A (ja) * 2001-11-27 2003-06-06 Koito Mfg Co Ltd 反射面設計システム、反射面設計方法、記録媒体、及びコンピュータプログラム
DE10349806A1 (de) * 2003-10-24 2005-05-25 Hella Kgaa Hueck & Co. Leuchteinheit für Kraftfahrzeuge
KR102107039B1 (ko) * 2018-12-28 2020-05-06 부경대학교 산학협력단 태양광 확산기
DE102020102135A1 (de) 2020-01-29 2021-07-29 Marelli Automotive Lighting Reutlingen (Germany) GmbH Beleuchtungseinrichtung mit einem Reflektor mit einer Mikrofacettenstruktur

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4481563A (en) 1982-05-10 1984-11-06 Corning Glass Works Automotive headlight having optics in the reflector
US4495552A (en) 1982-12-13 1985-01-22 Cal Custom Accessories, Inc. Forward shining vehicle lamp
US4704661A (en) * 1986-08-25 1987-11-03 General Electric Company Faceted reflector for headlamps
WO1988007155A1 (fr) 1987-03-11 1988-09-22 Eastman Kodak Company Projecteur de vehicule, et procede de production d'un systeme de projection optiquement efficace a l'aide de celui-ci
DE3711394A1 (de) * 1987-04-04 1988-11-03 Ullmann Ulo Werk Reflektor fuer eine leuchte
EP0341638B1 (fr) 1988-05-09 1994-08-03 Ichikoh Industries Limited Projecteur pour automobiles
FR2664677A1 (fr) * 1990-07-13 1992-01-17 Valeo Vision Reflecteur pour un dispositif d'eclairage de vehicule automobile, et projecteur et feu de signalisation incorporant un tel reflecteur.
SE9003423L (sv) * 1990-10-26 1992-04-27 Kjell Ljungstroem Reflektor
FR2694068B1 (fr) * 1992-07-27 1994-10-28 Valeo Vision Procédé de fabrication d'un miroir pour dispositif d'éclairage ou de signalisation de véhicule et projecteur équipé d'un nouveau miroir.
FR2710393B1 (fr) * 1993-09-24 1995-12-15 Valeo Vision Projecteur à glace lisse, notamment pour véhicule automobile, et procédé de fabrication du réflecteur d'un tel projecteur.
JP3079412B2 (ja) 1995-02-24 2000-08-21 株式会社小糸製作所 車輌用灯具及びその反射鏡の形成方法
FR2732446B1 (fr) * 1995-03-31 1997-06-20 Valeo Vision Procede de fabrication d'un miroir de projecteur de vehicule automobile et projecteur incorporant un miroir a deviation selective de la lumiere
JP3187293B2 (ja) * 1995-07-17 2001-07-11 株式会社小糸製作所 車輌用灯具の反射鏡の反射面形成方法
JP3185127B2 (ja) 1995-07-28 2001-07-09 株式会社小糸製作所 車輌用灯具
JP3136465B2 (ja) * 1995-09-06 2001-02-19 株式会社小糸製作所 車輌用灯具の反射鏡及びその形成方法
JP3913358B2 (ja) * 1998-03-18 2007-05-09 株式会社小糸製作所 車輌用標識灯
JP4050432B2 (ja) * 1999-10-01 2008-02-20 株式会社小糸製作所 車両用灯具の反射鏡の反射面決定方法
JP4031600B2 (ja) * 1999-10-01 2008-01-09 株式会社小糸製作所 車両用灯具の反射鏡の反射面決定方法

Also Published As

Publication number Publication date
GB2360378A (en) 2001-09-19
GB2360378B (en) 2002-04-03
GB0023719D0 (en) 2000-11-08
KR20010039959A (ko) 2001-05-15
US6361195B1 (en) 2002-03-26
DE10048141A1 (de) 2001-04-19
KR100389783B1 (ko) 2003-07-02
JP2001101911A (ja) 2001-04-13
JP4031600B2 (ja) 2008-01-09
FR2799270A1 (fr) 2001-04-06

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20110531