US1478564A - Reflecting headlight - Google Patents

Reflecting headlight Download PDF

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Publication number
US1478564A
US1478564A US52648922A US1478564A US 1478564 A US1478564 A US 1478564A US 52648922 A US52648922 A US 52648922A US 1478564 A US1478564 A US 1478564A
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US
United States
Prior art keywords
headlight
reflecting
parabolic
reflector
plane
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 - Lifetime
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Inventor
Reveley A Hallett
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to US52648922 priority Critical patent/US1478564A/en
Application granted granted Critical
Publication of US1478564A publication Critical patent/US1478564A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • F21S41/10—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
    • F21S41/30—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
    • 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
    • F21S41/322—Optical layout thereof the reflector using total internal reflection
    • 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
    • F21S41/36—Combinations of two or more separate reflectors
    • F21S41/365—Combinations of two or more separate reflectors successively reflecting the light
    • 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
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles

Definitions

  • the mirror '2' is a 109 455 asters of raferen-Qa throug'mui; @he affliz' mnt 5519 helix-011ml. than is figuma ⁇ tile beam of Eight
  • nnvnnnr A nnnnn'rr.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Discharge Lamp (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

F2. A. E-iALLETT REFLECTING HEADLIGHT Filed Jar 1. a. 1922 To 1155 10. 2am may GHZUGTZH fieewr Es it known thai I, W m A. LLB-mg. "1-wa citizen of the Uniie. I ma Harvey, in county Task and Mate V is iocmeti 5s 0f Illinois have inv a a certain new paahaiim is fiszwnmain Emprovemen T 51 {mi nrwardiy nyi mm lights, of which lights employing pam'boiic refiecizum and nasfor lts. ebgeci; m1 lmpmvemens m hem- .iighbcenstruction whereby 51-3 emzmafiing PVVuZ'uLF" 4' ways W111 be wnfined m saiecteci ieveis. feed 1 a,
- that car "315 3: 79
Headlighs constlucwed in accsv admwe Wiibh inventien aw 0f pwzisular 21pm; aammnbii as as the light 'emanaifig the -emay hes dimeed as, to maid heam Big-hr: 5 km: 1133012 @ccupants of when wbw ma biiesn iighi refiecm i fmm the 1:12am L ihemseive aw p K WEI axpiain Ii'uy by lqefez ence :0 the am 3% in which 1 i a v shcwing the prsierr e enfns" invention; Fig. 2 is seci iona I am .9, 8 infiid smaller scale, on line; 2??? 1i; camel- 0;
3 a peispective view shmvimg same file iLawiy refieetesi so as 120 pass mm m; pafias sf tlw headlight structura with mine? Eight transmitting closure L5 in a part5 ierfieved 55 fl ,1 l gg; mi directinn depending; upon inc1i- 2516i Jig. 4: is :2, $1615 ale'vat'ion of 11m 1 -91% naiimlis of the plane mirm Y p'figgg v In the preferre embm 130mm may f the Like parts am iniicata 3231 simiimv aha? vsn bion the mirror '2' is a 109 455 asters of raferen-Qa throug'mui; @he affliz' mnt 5519 helix-011ml. than is figuma {tile beam of Eight The pimrsil'mlic rafiemhgr 1 pg Eight izmnmflit'cfiiag (3105211?) 15' away so as not a2 fined f 1% wilyand belie axis 2, as the, low a1 fear-'1 16.51
' my imvemim," The Pear fiesta? is famed with which Isaeives $1112 3w dominated. by the light that due to the rays reflecied frem t e parabolic miri'er as; described. 1
While I have herein ,shown and particw larly descrihed the preferred embodiment of my invention 1 do not wish to be limited 'to the preciise details of construction shown es changes m'ey 'ree'dily be made without deparung from the spll'lll of my invention, but having thus '(lQSCFllJGd my invention 1 claim as new and desire to secure by Letters Patent the followingc-- v The combination with a reflector having a parabolic reflecting surface; of n lamp having a lighting center positioned tedimeannerect rays of light upon said relleeiing surface; a plane reflector in front of the lighting center and sloping downwardly and ion Wardly. and having lie lower and forward edge adjacent the parabolic axis; and arr.-
oilher plane reflector back of the lighting center and also sloping downwzmlly uni! iforwerdly and having its upper aiml rear edge also adw'cent the parabolic axis, the
plane reflector that is in front of the lighting-- center being peaiti'on'erl to receive rays reflected from the parabolic reflector and the other plane refl'eel'or being positioned lo receive these rays reflected. from the first plane reflector anklfto reflect the same ifor weirdly In witness whereof ll hei ennto subscribe my name thisQQnd. clay of December A. ll,
nnvnnnr A. nnnnn'rr.
US52648922 1922-01-03 1922-01-03 Reflecting headlight Expired - Lifetime US1478564A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US52648922 US1478564A (en) 1922-01-03 1922-01-03 Reflecting headlight

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US52648922 US1478564A (en) 1922-01-03 1922-01-03 Reflecting headlight

Publications (1)

Publication Number Publication Date
US1478564A true US1478564A (en) 1923-12-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
US52648922 Expired - Lifetime US1478564A (en) 1922-01-03 1922-01-03 Reflecting headlight

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2579140A (en) * 1946-03-13 1951-12-18 Crawford Walter Freeman Wave projector
FR2571472A1 (en) * 1984-08-03 1986-04-11 Stanley Electric Co Ltd VEHICLE HEADLIGHT WITH RECTANGULAR PROFILE EXTENDING AND INCORPORATING REFLECTIVE PLATES
US5931569A (en) * 1997-03-04 1999-08-03 Pittway Corporation Reflector with strobe light extending therefrom
US20030086269A1 (en) * 2001-10-19 2003-05-08 Anderson Douglas J. Multi-candela wall reflector
US6623143B2 (en) 2000-07-06 2003-09-23 Honeywell International, Inc. Ceiling reflectors
US20080285295A1 (en) * 2005-12-12 2008-11-20 Koninklijke Philips Electronics, N.V. Led Collimator Element for a Vehicle Headlight with a Low-Beam Function

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2579140A (en) * 1946-03-13 1951-12-18 Crawford Walter Freeman Wave projector
FR2571472A1 (en) * 1984-08-03 1986-04-11 Stanley Electric Co Ltd VEHICLE HEADLIGHT WITH RECTANGULAR PROFILE EXTENDING AND INCORPORATING REFLECTIVE PLATES
US5931569A (en) * 1997-03-04 1999-08-03 Pittway Corporation Reflector with strobe light extending therefrom
US6623143B2 (en) 2000-07-06 2003-09-23 Honeywell International, Inc. Ceiling reflectors
US20030086269A1 (en) * 2001-10-19 2003-05-08 Anderson Douglas J. Multi-candela wall reflector
US6793375B2 (en) 2001-10-19 2004-09-21 Honeywell International, Inc. Reflector with complex parabolid surface for elongated light source
US20080285295A1 (en) * 2005-12-12 2008-11-20 Koninklijke Philips Electronics, N.V. Led Collimator Element for a Vehicle Headlight with a Low-Beam Function
US8523413B2 (en) * 2005-12-12 2013-09-03 Koninklijke Philips N.V. LED collimator element for a vehicle headlight with a low-beam function

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