GB1369624A - Faceted reflector for a lighting unit and method of making same - Google Patents

Faceted reflector for a lighting unit and method of making same

Info

Publication number
GB1369624A
GB1369624A GB4203771A GB4203771A GB1369624A GB 1369624 A GB1369624 A GB 1369624A GB 4203771 A GB4203771 A GB 4203771A GB 4203771 A GB4203771 A GB 4203771A GB 1369624 A GB1369624 A GB 1369624A
Authority
GB
United Kingdom
Prior art keywords
facets
reflector
source
light
pattern
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
Application number
GB4203771A
Other languages
English (en)
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.)
Motors Liquidation Co
Original Assignee
General Motors Corp
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 General Motors Corp filed Critical General Motors Corp
Publication of GB1369624A publication Critical patent/GB1369624A/en
Expired 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
    • 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
    • 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
    • F21S41/336—Multi-surface reflectors, e.g. reflectors with facets or reflectors with portions of different curvature the reflector consisting of patch like sectors with discontinuity at the junction between adjacent areas

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
GB4203771A 1970-09-23 1971-09-09 Faceted reflector for a lighting unit and method of making same Expired GB1369624A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7456270A 1970-09-23 1970-09-23
US7456370A 1970-09-23 1970-09-23

Publications (1)

Publication Number Publication Date
GB1369624A true GB1369624A (en) 1974-10-09

Family

ID=26755796

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4203771A Expired GB1369624A (en) 1970-09-23 1971-09-09 Faceted reflector for a lighting unit and method of making same

Country Status (5)

Country Link
AU (1) AU3371071A (enrdf_load_stackoverflow)
DE (1) DE2147371A1 (enrdf_load_stackoverflow)
FR (1) FR2107896A1 (enrdf_load_stackoverflow)
GB (1) GB1369624A (enrdf_load_stackoverflow)
IT (1) IT939458B (enrdf_load_stackoverflow)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2707143A1 (de) * 1977-02-18 1978-08-24 Bartenbach Christian Indirekte deckenleuchte
FR2412785A1 (fr) * 1977-12-23 1979-07-20 Sassmannshausen Knut Feu, en particulier feu arriere, de securite ou de signalisation
US4704661A (en) * 1986-08-25 1987-11-03 General Electric Company Faceted reflector for headlamps
JP2512363B2 (ja) * 1992-01-06 1996-07-03 株式会社小糸製作所 車輌用灯具の反射鏡及びその金型作製方法
FR2710965B1 (fr) * 1992-01-06 1996-02-09 Koito Mfg Co Ltd Réflecteur pour phares de véhicule.
FR2708081B1 (fr) * 1993-07-20 1995-09-01 Axo Scintex Cie Equip Automobi Feu de signalisation de véhicules automobiles.
CZ287690B6 (cs) * 1996-01-29 2001-01-17 Autopal S. R. O. Světlomet s komplexním reflektorem
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
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
DE102020108010A1 (de) 2020-03-24 2021-09-30 Bayerische Motoren Werke Aktiengesellschaft Beleuchtungsvorrichtung für ein Kraftfahrzeug

Also Published As

Publication number Publication date
FR2107896A1 (enrdf_load_stackoverflow) 1972-05-12
AU3371071A (en) 1973-03-29
DE2147371A1 (de) 1972-03-30
IT939458B (it) 1973-02-10

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees