JP3476480B2 - 自動車用前照灯 - Google Patents

自動車用前照灯

Info

Publication number
JP3476480B2
JP3476480B2 JP25398991A JP25398991A JP3476480B2 JP 3476480 B2 JP3476480 B2 JP 3476480B2 JP 25398991 A JP25398991 A JP 25398991A JP 25398991 A JP25398991 A JP 25398991A JP 3476480 B2 JP3476480 B2 JP 3476480B2
Authority
JP
Japan
Prior art keywords
region
light
peripheral
peripheral region
edge
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
JP25398991A
Other languages
English (en)
Japanese (ja)
Other versions
JPH04233102A (ja
Inventor
レーヴェ リヒャルト
ペルトゥス ペーター
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of JPH04233102A publication Critical patent/JPH04233102A/ja
Application granted granted Critical
Publication of JP3476480B2 publication Critical patent/JP3476480B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/275—Lens surfaces, e.g. coatings or surface structures
    • 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
    • F21S41/20—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by refractors, transparent cover plates, light guides or filters
    • F21S41/25—Projection lenses
    • F21S41/255—Lenses with a front view of circular or truncated circular outline

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
JP25398991A 1990-10-04 1991-10-02 自動車用前照灯 Expired - Fee Related JP3476480B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4031351A DE4031351C2 (de) 1990-10-04 1990-10-04 Projektionslinse als Bestandteil eines Kraftfahrzeugscheinwerfers für Abblendlicht oder Nebellicht
DE4031351.4 1990-10-04

Publications (2)

Publication Number Publication Date
JPH04233102A JPH04233102A (ja) 1992-08-21
JP3476480B2 true JP3476480B2 (ja) 2003-12-10

Family

ID=6415551

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25398991A Expired - Fee Related JP3476480B2 (ja) 1990-10-04 1991-10-02 自動車用前照灯

Country Status (3)

Country Link
JP (1) JP3476480B2 (de)
DE (1) DE4031351C2 (de)
GB (1) GB2248493B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT405212B (de) * 1997-01-15 1999-06-25 Photonic Optische Geraete Gmbh Optisches element
FR2759765B1 (fr) * 1997-02-18 1999-06-04 Valeo Vision Projecteur du type elliptique, notamment pour vehicule automobile
FR2790542B1 (fr) * 1999-03-02 2001-04-27 Valeo Vision Projecteur elliptique pour vehicule automobile comportant des moyens d'etalement d'une partie de la lumiere emise vers l'exterieur du projecteur
DE102004018424B4 (de) * 2004-04-08 2016-12-08 Docter Optics Se Verfahren zur Herstellung einer Linse
JP4825140B2 (ja) * 2007-01-15 2011-11-30 株式会社小糸製作所 車両用灯具
FR2925656B1 (fr) * 2007-12-21 2013-08-23 Holophane Lentille de module d'eclairage de vehicule automobile
JP2009193846A (ja) * 2008-02-15 2009-08-27 Japan Radio Co Ltd 投光装置
JP4952632B2 (ja) 2008-03-28 2012-06-13 豊田合成株式会社 発光装置及びそれに用いられるレンズ
EP3581847A1 (de) 2018-06-13 2019-12-18 Valeo Iluminacion Kraftfahrzeugbeleuchtungsvorrichtung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1289776A (de) * 1969-06-09 1972-09-20

Also Published As

Publication number Publication date
JPH04233102A (ja) 1992-08-21
GB2248493B (en) 1994-03-09
DE4031351C2 (de) 2000-07-06
GB2248493A (en) 1992-04-08
GB9120853D0 (en) 1991-11-13
DE4031351A1 (de) 1992-04-09

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Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees