JPS62137502U - - Google Patents

Info

Publication number
JPS62137502U
JPS62137502U JP1986025117U JP2511786U JPS62137502U JP S62137502 U JPS62137502 U JP S62137502U JP 1986025117 U JP1986025117 U JP 1986025117U JP 2511786 U JP2511786 U JP 2511786U JP S62137502 U JPS62137502 U JP S62137502U
Authority
JP
Japan
Prior art keywords
shade
projector
cut line
light source
reflecting mirror
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.)
Pending
Application number
JP1986025117U
Other languages
English (en)
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 filed Critical
Priority to JP1986025117U priority Critical patent/JPS62137502U/ja
Publication of JPS62137502U publication Critical patent/JPS62137502U/ja
Pending 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
    • F21S41/40—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/43—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades characterised by the shape thereof
    • 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
    • F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
    • F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
    • F21S41/162—Incandescent light sources, e.g. filament or halogen lamps
    • 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
    • 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
    • F21S41/321—Optical layout thereof the reflector being a surface of revolution or a planar surface, e.g. truncated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F21W2102/10—Arrangement or contour of the emitted light
    • F21W2102/13—Arrangement or contour of the emitted light for high-beam region or low-beam region
    • F21W2102/135—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions
    • F21W2102/16—Arrangement or contour of the emitted light for high-beam region or low-beam region the light having cut-off lines, i.e. clear borderlines between emitted regions and dark regions having blurred cut-off lines

Description

【図面の簡単な説明】
第１図乃至第４図は本考案のプロジエクタ型前
照灯の１実施例を示し、第１図は構成部材の配置
と作用効果とを模式的に描いた説明図、第２図は
シエードと反射光束との関係を示す説明図、第３
図は配光パターンの図表、第４図はシエードの背
面図である。第５図は公知例のプロジエクタ型前
照灯の説明図である。第６図乃至第８図は従来例
のプロジエクタ型前照灯を示し、第６図は平面図
、第７図は側面図、第８図は正面図である。第９
図及び第１０図は上記従来例の光学的特性を示す
図表である。 １……凹面鏡、２……光源バルブ、２ａ……フ
イラメント、３……凸レンズ、４……シエード、
４ａ……カツトライン、１４……シエード、１４
ａ……カツトライン、１４ａ―１……切欠、１５
……スクリーン。

Claims (1)

    【実用新案登録請求の範囲】
  1. 反射鏡の焦点近傍に光源バルブを設置し、上記
    の光源バルブから出射した光が反射鏡で反射され
    てカツトラインを有するシエード近傍で焦点を結
    び、凸レンズによつて前記反射光を前方に投射す
    るプロジエクタ型の前照灯において、前記のシエ
    ードは、そのカツトラインに沿つた区域の少なく
    とも１部に、細い切欠を列設したことを特徴とす
    るプロジエクタ型の前照灯。
JP1986025117U 1986-02-25 1986-02-25 Pending JPS62137502U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986025117U JPS62137502U (ja) 1986-02-25 1986-02-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986025117U JPS62137502U (ja) 1986-02-25 1986-02-25

Publications (1)

Publication Number Publication Date
JPS62137502U true JPS62137502U (ja) 1987-08-29

Family

ID=30824970

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986025117U Pending JPS62137502U (ja) 1986-02-25 1986-02-25

Country Status (1)

Country Link
JP (1) JPS62137502U (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63157102U (ja) * 1987-03-31 1988-10-14
JP2007294203A (ja) * 2006-04-24 2007-11-08 Koito Mfg Co Ltd 車両用前照灯
JP2012043797A (ja) * 2010-08-20 2012-03-01 Automotive Lighting Reutlingen Gmbh 明暗境界線の光度勾配が目的に合わせて減衰されるプロジェクターヘッドライト
JP2012195101A (ja) * 2011-03-15 2012-10-11 Koito Mfg Co Ltd 灯具ユニット
JP2013524456A (ja) * 2010-04-09 2013-06-17 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 滑らかなカットオフを持つ照明装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63157102U (ja) * 1987-03-31 1988-10-14
JP2007294203A (ja) * 2006-04-24 2007-11-08 Koito Mfg Co Ltd 車両用前照灯
JP4669434B2 (ja) * 2006-04-24 2011-04-13 株式会社小糸製作所 車両用前照灯
JP2013524456A (ja) * 2010-04-09 2013-06-17 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 滑らかなカットオフを持つ照明装置
JP2012043797A (ja) * 2010-08-20 2012-03-01 Automotive Lighting Reutlingen Gmbh 明暗境界線の光度勾配が目的に合わせて減衰されるプロジェクターヘッドライト
JP2012195101A (ja) * 2011-03-15 2012-10-11 Koito Mfg Co Ltd 灯具ユニット

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