GB2270374B - Rectangular reflector capable of avoiding secondary reflection by side walls - Google Patents

Rectangular reflector capable of avoiding secondary reflection by side walls

Info

Publication number
GB2270374B
GB2270374B GB9317887A GB9317887A GB2270374B GB 2270374 B GB2270374 B GB 2270374B GB 9317887 A GB9317887 A GB 9317887A GB 9317887 A GB9317887 A GB 9317887A GB 2270374 B GB2270374 B GB 2270374B
Authority
GB
United Kingdom
Prior art keywords
side walls
secondary reflection
avoiding secondary
reflector capable
rectangular reflector
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
GB9317887A
Other languages
English (en)
Other versions
GB9317887D0 (en
GB2270374A (en
Inventor
Katsuhiko Iiyama
Naoki Uchida
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 GB9317887D0 publication Critical patent/GB9317887D0/en
Publication of GB2270374A publication Critical patent/GB2270374A/en
Application granted granted Critical
Publication of GB2270374B publication Critical patent/GB2270374B/en
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
    • F21S41/30—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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)
GB9317887A 1992-09-04 1993-08-27 Rectangular reflector capable of avoiding secondary reflection by side walls Expired - Fee Related GB2270374B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4260632A JP2787744B2 (ja) 1992-09-04 1992-09-04 車輌用灯具の反射鏡

Publications (3)

Publication Number Publication Date
GB9317887D0 GB9317887D0 (en) 1993-10-13
GB2270374A GB2270374A (en) 1994-03-09
GB2270374B true GB2270374B (en) 1995-07-05

Family

ID=17350622

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9317887A Expired - Fee Related GB2270374B (en) 1992-09-04 1993-08-27 Rectangular reflector capable of avoiding secondary reflection by side walls

Country Status (5)

Country Link
US (1) US5469339A (enExample)
JP (1) JP2787744B2 (enExample)
DE (1) DE4329850C2 (enExample)
ES (1) ES2074013B1 (enExample)
GB (1) GB2270374B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2162634T3 (es) * 1994-03-10 2002-01-01 Koninkl Philips Electronics Nv Lampara reflectora electrica.
JP3115803B2 (ja) * 1995-07-31 2000-12-11 株式会社小糸製作所 車輌用灯具
DE19843986B4 (de) * 1998-09-25 2012-02-23 Automotive Lighting Reutlingen Gmbh Scheinwerfer für Fahrzeuge
JP2000195308A (ja) 1998-12-25 2000-07-14 Koito Mfg Co Ltd 車両用灯具
JP4011221B2 (ja) 1999-01-21 2007-11-21 株式会社小糸製作所 車両用標識灯
WO2007104136A1 (en) * 2006-03-13 2007-09-20 Tir Technology Lp Optical device for mixing and redirecting light
WO2009046586A1 (en) * 2007-10-13 2009-04-16 He Shan Lide Electronic Enterprise Company Ltd. A method of providing light distribution, a cup for providing light distribution, and a roadway lamp using the cup
CN101858561A (zh) * 2010-04-16 2010-10-13 海洋王照明科技股份有限公司 一种泛光灯反射器及泛光灯
TWI490622B (zh) * 2014-01-03 2015-07-01 晶睿通訊股份有限公司 照明裝置及應用此照明裝置之攝影裝置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US981290A (en) * 1909-10-09 1911-01-10 States Lee Lebby Reflector and search-light.
US3492474A (en) * 1966-12-02 1970-01-27 Koito Mfg Co Ltd Reflector with compound curvature reflecting surface
JPS5953641B2 (ja) * 1974-03-05 1984-12-26 株式会社小糸製作所 反射鏡及びこれを用いた灯具、前照灯
DE3069386D1 (en) * 1979-12-22 1984-11-08 Lucas Ind Plc Motor vehicle lamp reflector
DE3127250A1 (de) * 1981-07-10 1983-01-20 Robert Bosch Gmbh, 7000 Stuttgart Reflektor fuer scheinwerfer von kraftfahrzeugen
DE3527391A1 (de) * 1985-07-31 1987-02-05 Bosch Gmbh Robert Nebelscheinwerfer fuer kraftfahrzeuge
AT396675B (de) * 1985-12-04 1993-11-25 Zizala Lichtsysteme Gmbh Fahrzeugleuchte
JP2622564B2 (ja) * 1986-12-30 1997-06-18 ヴァレオ ヴイジョン カットオフによって限定されたビームを放射する、変形底部を有する自動車用前照灯
US4959757A (en) * 1988-05-09 1990-09-25 Ichikoh Industries, Ltd. Automotive lamp assembly
US5034867A (en) * 1990-07-05 1991-07-23 Blazer International Corporation Fluted lamp reflector

Also Published As

Publication number Publication date
DE4329850A1 (de) 1994-03-10
GB9317887D0 (en) 1993-10-13
US5469339A (en) 1995-11-21
JPH0689602A (ja) 1994-03-29
ES2074013R (enExample) 1998-01-16
ES2074013B1 (es) 1998-08-01
ES2074013A2 (es) 1995-08-16
JP2787744B2 (ja) 1998-08-20
GB2270374A (en) 1994-03-09
DE4329850C2 (de) 2002-08-29

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060827