CH137366A - Lighting device for vehicles. - Google Patents

Lighting device for vehicles.

Info

Publication number
CH137366A
CH137366A CH137366DA CH137366A CH 137366 A CH137366 A CH 137366A CH 137366D A CH137366D A CH 137366DA CH 137366 A CH137366 A CH 137366A
Authority
CH
Switzerland
Prior art keywords
flaps
headlights
road
headlight
sub
Prior art date
Application number
Other languages
French (fr)
Inventor
Frederic Blanchod Georges
Original Assignee
Frederic Blanchod Georges
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 Frederic Blanchod Georges filed Critical Frederic Blanchod Georges
Publication of CH137366A publication Critical patent/CH137366A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/14Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/14Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
    • B60Q1/1438Actuating means for dimming masks or screens
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/32Optical layout thereof
    • F21S41/36Combinations of two or more separate reflectors
    • F21S41/365Combinations of two or more separate reflectors successively reflecting the light
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/30Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors
    • F21S41/37Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by reflectors characterised by their material, surface treatment or coatings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/40Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by screens, non-reflecting members, light-shielding members or fixed shades
    • F21S41/47Attachment thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/68Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
    • F21S41/683Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
    • F21S41/695Screens rotating around a vertical axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10Use or application of lighting devices on or in particular types of vehicles for land vehicles

Landscapes

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

Description

  

  Dispositif d'éclairage pour véhicules.    Le problème de l'éclairage des véhicules  et particulièrement des véhicules routiers, en  pleine campagne, est à l'ordre du jour.  Chacun sait que les automobiles, en particu  lier, sont munies de phares puissants permet  tant au conducteur de voir la route très en  avant devant lui; mais ces phares, par leur  puissance même sont très gênants pour les  personnes croisant l'automobile, qu'ils éblouis  sent complètement.

   C'est pourquoi, il     çst,     en général, prescrit d'éteindre les phares  lors d'un croisement, mais alors il se pré  sente un autre inconvénient; le conducteur  de l'auto qui vient d'éteindre ses phares  cesse de voir la route loin devant lui et en  outre, dans le voisinage de l'automobile,  comme il n'est plus éclairé que par les veil  leuses, pendant le temps     d'accomodation    né  cessaire .à     l'oeil,    il est complètement aveuglé.  



  L'objet de la présente invention est un  dispositif d'éclairage pour véhicules destiné  à remédier aux inconvénients susmention  nés; celui-ci comporte au moins deux phares    dont au moins un est muni de volets placés de  vant la source lumineuse de manière à pou  voir en diriger le faisceau lumineux dans des  sens déterminés.  



  Les     fig.    1 à 10 du dessin annexé mon  trent, à titre d'exemple, deux formes d'exé  cution de l'objet de l'invention.  



  La     fig.    1 est une vue générale, en pers  pective, du phare, selon la première forme  d'exécution;  Les     fig.    2 et 3 en sont des coupes axiales  horizontales, dans deux positions différentes  de fonctionnement;  Les     fig.    4 et 5 représentent ce fonction  nement;  La     fig.    6 est une vue en perspective, se  lon la deuxième forme d'exécution ;  La     fig.    7 en est une coupe par le plan       II-II    de la     fig.    6;  La     fig.    8 en est -une coupe par le plan       III    III de la     fig.    6 ;

    Les     fig.    9 et 10 concernent des variantes  d'exécution.      La première forme d'exécution comporte  un phare d'automobile fixé au. châssis de  cette dernière; 1 est l'ampoule, 2 le réflec  teur, et 3 le carter; ce dernier se prolonge  à l'avant par une lunette tronconique 4, for  mée par une glace 5, et dans laquelle est  montée     rotativement,    par le moyen des  deux tourillons verticaux 6, le cadre circu  laire 7. Dans celui-ci sont fixés verticalement  une série de volets 8 en verre translucide,  équidistants de 1 à 2 centimètres, à peu  prés.

   Au cadre 7 est fixé un doigt 9 qui  traverse une ouverture de la lunette 4 et  auquel s'attache le câble d'un mécanisme non  représenté, à l'autre extrémité duquel est  placée une manette de     manoeuvre    montée à  proximité du conducteur de l'automobile.  



  En marche normale, les volets 8 sont  disposés comme montré en     fig.    2,     c'est-à-          dire-    parallèles à l'axe longitudinal de la  route; les rayons -lumineux du phare partent  donc de celui-ci en passant par les espaces  libres compris entre les volets. Les deux  phares forment ainsi, à une certaine distance,  du véhicule, un faisceau unique et légère  ment divergent représenté par f 1, en     fig.    4,  faisceau qui éclaire le milieu de la route à  200 mètres par exemple en avant de l'auto  mobile.

   Au moment     d'un-    croisement, le con  ducteur exerce un mouvement de traction  sur le câble et fait tourner le cadre de fa  çon à l'amener en position représentée en       fig.    3. Il sort alors du phare deux faisceaux  lumineux; l'un d'eux est constitué par les  rayons qui passent dans l'intervalle compris  entre les volets; il forme avec le même  faisceau de l'autre phare un faisceau f     l     qui est légèrement plus intense que le fais  ceau f 1, et qui est un peu déplacé vers la  droite par rapport à f     i,    de façon à ne plus  éclairer que la moitié droite de la route. De  cette façon le conducteur de la voiture  qu'on croise, voiture qui se trouve sur la  gauche, n'est pas ébloui.

   Le second faisceau  qui s'échappe du phare est constitué par les  rayons qui traversent les volets en verre  translucide. Ces rayons constituent une lu  mière très douce qui éclaire l'avant de l'auto-    mobile, jusqu'à 10 mètres par exemple, de  façon beaucoup plus intense que ne le font  les veilleuses habituelles. Le conducteur de  l'automobile n'a donc pas â craindre d'être       ébloui    pendant un instant, grâce à la diffé  rence des éclairages ; en outre, il continue à  voir, loin devant lui, la partie de la route  qui l'intéresse spécialement, c'est-à-dire la  partie droite.  



  Le cadre 7 pourrait être fixé au phare  et ce dernier monté de façon sur le bâti.  Les volets pourraient être cri une autre ma  tière translucide, par exemple en     celluloïde;     ce n'est pas absolument nécessaire que ces  volets soient verticaux, ils pourrait par exem  ple être légèrement inclinés sur la verticale,  tout en restant dans la position normale de  fonctionnement (celle représentée en     fig.    2),  parallèles à l'axe de la route.  



  Le fonctionnement du dispositif décrit  est le suivant : en marche normale, les volets  seront, par exemple, laissés dans la première  des positions susmentionnées ; les rayons  lumineux passeront alors librement entre  ces volets et éclaireront la route à la     façon     normale. Si l'on incline des volets dans la  deuxième position, la source lumineuse émet  tra deux faisceaux     différents,    l'un passant  dans les intervalles, entre les volets, qui  aura à peu près la même intensité que le  faisceau normal, mais qui, par rapport à ce  lui-ci, sera légèrement dévié vers la droite  de façon à ne plus éclairer que la moitié  droite de la route.

   Ainsi le conducteur d'au  tomobile qu'on croise, et qui se trouve sur  la gauche, ne sera pas ébloui; quant au se  cond faisceau, il sera constitué par des rayons  traversant directement les volets translu  cides; il éclairera donc devant l'auto, mais  avec une lumière très douce et beaucoup  moins puissante que celle du faisceau nor  mal, tout en étant cependant supérieur à celle  des veilleuses<B>;</B> le conducteur de l'auto<B>.</B> ne  sera donc pas aveuglé par la différence d'in  tensité des deux éclairages et pourra cons  tamment voir ce qui se passe dans le voisi  nage immédiat de son automobile.

        Avec la deuxième forme d'exécution, on  peut obtenir le même effet que décrit     ci-          dessus,    en utilisant deux phares, dont l'un,  seul, est muni de volets placés devant la  source lumineuse du phare et inclinés à de  meure par rapport à l'axe longitudinal de la  route et par un mécanisme permettant d'é  teindre l'un de ces phares et d'allumer  l'autre.  



  Dans cette forme d'exécution comprenant  deux phares,     l'urr    désigné par 7 est consti  tué de la façon usuelle et l'autre est désigné  par 8; ce dernier; représenté en coupe en       fig.    8, présente, devant la source lumineuse  une série de volets 10, en verre translu  cide, verticaux et légèrement inclinés par  rapport à l'axe longitudinal de la route; 11  est la     glsce    et 12 le réflecteur. Les rayons  lumineux, émis par la source 9, sont de  deux sortes; les uns passent directement  entre les volets 10 et produisent un faisceau  qui éclaire la route au loin, tandis que les  autres traversant les volets 10 fournissent  un deuxième faisceau qui produit une lumière  très douce et qui n'éclaire que le voisinage  immédiat du véhicule.  



  Un mécanisme, non représenté, placé à  proximité du conducteur, permet à volonté  d'éteindre l'un des phares et d'allumer l'au  tre. En marche normale, ce sera le phare 7   < lui sera allumé; au moment d'un croisement,  le conducteur l'éteint et allume le phare 8.  



  D'après les variantes de     fig.    9 et 10, les  volets 10 sont de longueurs différentes.  Dans la variante de     fig.    9, les volets supé  rieures sont assez longs     pourqu'aucun    rayon  ne puisse passer entre deux volets consécu  tifs; le faisceau qui éclaire la route au loin,  ne passera donc que par la partie inférieure  du dispositif. Dans la variante de     fig.    10, il  ne passera pas par la partie centrale.  



  Le cadre supportant les volets pourrait  aussi être fixé au corps du phare qui, lui, serait  monté     rotativement    sur le châssis du véhicule.



  Lighting device for vehicles. The problem of lighting vehicles, and particularly road vehicles, in the countryside, is on the agenda. Everyone knows that automobiles, in particular, are equipped with powerful headlights so that the driver can see the road far ahead in front of him; but these headlights, by their very power, are very annoying for people passing the automobile, which they completely feel dazzled.

   This is why, in general, it is prescribed to switch off the headlights during a crossing, but then there is another drawback; the driver of the car who has just turned off his headlights ceases to see the road far in front of him and, moreover, in the vicinity of the car, as he is no longer lit except by the night lights, during the time of accomodation necessary. to the eye, he is completely blinded.



  The object of the present invention is a lighting device for vehicles intended to remedy the aforementioned drawbacks born; this comprises at least two headlights, at least one of which is provided with shutters placed in front of the light source so as to be able to direct the light beam from it in determined directions.



  Figs. 1 to 10 of the accompanying drawing show, by way of example, two embodiments of the object of the invention.



  Fig. 1 is a general view, in perspective, of the lighthouse, according to the first embodiment; Figs. 2 and 3 are horizontal axial sections, in two different operating positions; Figs. 4 and 5 represent this operation; Fig. 6 is a perspective view, according to the second embodiment; Fig. 7 is a section through the plane II-II of FIG. 6; Fig. 8 is a section through the plane III III of FIG. 6;

    Figs. 9 and 10 relate to variant embodiments. The first embodiment comprises an automobile headlight attached to the. chassis of the latter; 1 is the bulb, 2 is the reflector, and 3 is the housing; the latter is extended at the front by a frustoconical bezel 4, formed by a glass 5, and in which is mounted rotatably, by means of the two vertical pins 6, the circular frame 7. In the latter are fixed vertically a series of translucent glass shutters 8, equidistant from 1 to 2 centimeters, approximately.

   To the frame 7 is fixed a finger 9 which passes through an opening of the bezel 4 and to which is attached the cable of a mechanism not shown, at the other end of which is placed an operating lever mounted near the conductor of the automobile.



  In normal operation, the shutters 8 are arranged as shown in FIG. 2, that is to say - parallel to the longitudinal axis of the road; the -luminous rays of the lighthouse therefore leave it through the free spaces between the shutters. The two headlights thus form, at a certain distance from the vehicle, a single and slightly divergent beam represented by f 1, in fig. 4, a beam which illuminates the middle of the road 200 meters for example in front of the automobile.

   At the moment of crossing, the driver exerts a traction movement on the cable and turns the frame so as to bring it into the position shown in fig. 3. Two light beams then emerge from the lighthouse; one of them is formed by the rays which pass in the interval between the shutters; it forms with the same beam from the other headlight a beam fl which is slightly more intense than the beam f 1, and which is shifted a little to the right with respect to fi, so as to only illuminate the right half of the road. In this way the driver of the car we pass, the car on the left, is not dazzled.

   The second beam which escapes from the headlight is formed by the rays which pass through the translucent glass shutters. These rays constitute a very soft light which illuminates the front of the automobile, up to 10 meters for example, in a much more intense way than the usual sidelights do. The driver of the automobile therefore need not be afraid of being dazzled for a moment, thanks to the difference in the lighting; moreover, he continues to see, far in front of him, the part of the road which interests him especially, that is to say the right part.



  The frame 7 could be attached to the headlight and the latter mounted so on the frame. The shutters could be another translucent material, for example celluloid; it is not absolutely necessary that these shutters be vertical, they could for example be slightly inclined on the vertical, while remaining in the normal operating position (that shown in fig. 2), parallel to the axis of the road.



  The operation of the device described is as follows: in normal operation, the shutters will, for example, be left in the first of the aforementioned positions; the light rays will then pass freely between these shutters and illuminate the road in the normal way. If the shutters are tilted in the second position, the light source emits two different beams, one passing in the intervals, between the shutters, which will have approximately the same intensity as the normal beam, but which, for in relation to this, will be slightly deviated to the right so as to only illuminate the right half of the road.

   Thus the driver of the automobile that we pass, and who is on the left, will not be dazzled; as for the second beam, it will be constituted by rays passing directly through the translucent shutters; it will therefore illuminate in front of the car, but with a very soft light and much less powerful than that of the normal beam, while being however superior to that of the night lights <B>; </B> the driver of the car <B >. </B> will therefore not be blinded by the difference in intensity of the two lights and will be able to constantly see what is happening in the immediate vicinity of his car.

        With the second embodiment, the same effect as described above can be obtained by using two headlights, one of which, on its own, is provided with flaps placed in front of the light source of the headlight and inclined so as to die relative to it. to the longitudinal axis of the road and by a mechanism for turning off one of these headlights and turning on the other.



  In this embodiment comprising two headlights, the urr designated by 7 is constituted in the usual manner and the other is designated by 8; this last; shown in section in FIG. 8, presents, in front of the light source, a series of shutters 10, in translucent glass, vertical and slightly inclined with respect to the longitudinal axis of the road; 11 is the glsce and 12 the reflector. The light rays emitted by the source 9 are of two kinds; some pass directly between the flaps 10 and produce a beam which illuminates the road in the distance, while the others passing through the flaps 10 provide a second beam which produces a very soft light and which only illuminates the immediate vicinity of the vehicle.



  A mechanism, not shown, placed near the driver, makes it possible to switch off one of the headlights and switch on the other at will. In normal operation, it will be headlight 7 <it will be on; at a crossroads, the driver turns it off and turns on headlight 8.



  According to the variants of fig. 9 and 10, the flaps 10 are of different lengths. In the variant of fig. 9, the upper flaps are long enough so that no ray can pass between two consecutive flaps; the beam which illuminates the road in the distance will therefore only pass through the lower part of the device. In the variant of fig. 10, it will not go through the middle part.



  The frame supporting the flaps could also be fixed to the body of the headlight which, for its part, would be mounted rotatably on the chassis of the vehicle.

 

Claims (1)

REVENDICATION Dispositif d'éclairage pour véhicules, ca ractérisé par au moins deux phares dont au moins un est muni de volets placés devant la source lumineuse de manière à pouvoir en diriger le faisceau lumineux dans des sens déterminés. <B>SOUS-REVENDICATIONS:</B> 1 Dispositif selon la revendication, carac térisé par des volets en matière translucide, lesquels sont disposés à distance les uns des autres devant la source lumineuse, et, en outre, sont articulés de manière à pouvoir être déplacés au moyen d'un mé canisme, de façon à les amener dans deux positions, soit approximativement dans une position parallèle à l'axe de la route, soit dans une position inclinée par rap port à cette première position. CLAIM Lighting device for vehicles, characterized by at least two headlights, at least one of which is provided with shutters placed in front of the light source so as to be able to direct the light beam in determined directions. <B> SUB-CLAIMS: </B> 1 Device according to claim, charac terized by flaps in translucent material, which are arranged at a distance from each other in front of the light source, and, in addition, are articulated so as to be able to be moved by means of a mechanism, so as to bring them into two positions, either approximately in a position parallel to the axis of the road, or in a position inclined with respect to this first position. 2 Dispositif selon la revendication et la sous- revendication 1, caractérisé en ce que le mécanisme susmentionné peut être com mandé du siège du conducteur. 3 Dispositif selon la revendication et les sous- revendications 1 et 2, caractérisé en ce que les volets sont disposés dans un cadre, monté rotativement dans le corps du phare fixé. 4 Dispositif selon la revendication et les sous- revendications 1 et 2, caractérisé en ce que le cadre supportant les volets est fixé au corps du phare monté rotativement sur le châssis du véhicule. 2 Device according to claim and sub-claim 1, characterized in that the aforementioned mechanism can be controlled from the driver's seat. 3 Device according to claim and sub-claims 1 and 2, characterized in that the flaps are arranged in a frame, rotatably mounted in the body of the fixed headlight. 4 Device according to claim and sub-claims 1 and 2, characterized in that the frame supporting the flaps is fixed to the headlight body rotatably mounted on the vehicle frame. 5 Dispositif selon la revendication, carac térisé par au moins deux phares, dont l'un seul est muni de volets en matière trans lucide, placés devant la source lumineuse du phare, et inclinés à demeure par rap port à l'axe longitudinal de la route, ledit dispositif comportant en outre un méca nisme destiné à éteindre l'un des phares et à allumer l'autre. 5 Device according to claim, charac terized by at least two headlights, only one of which is provided with flaps in translucent material, placed in front of the light source of the headlight, and inclined permanently relative to the longitudinal axis of the road, said device further comprising a mechanism for switching off one of the headlights and switching on the other.
CH137366D 1928-01-14 1929-01-11 Lighting device for vehicles. CH137366A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR647887T 1928-01-14

Publications (1)

Publication Number Publication Date
CH137366A true CH137366A (en) 1929-12-31

Family

ID=9002338

Family Applications (1)

Application Number Title Priority Date Filing Date
CH137366D CH137366A (en) 1928-01-14 1929-01-11 Lighting device for vehicles.

Country Status (4)

Country Link
CH (1) CH137366A (en)
DE (1) DE496789C (en)
FR (1) FR647887A (en)
GB (1) GB304143A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE915657C (en) * 1951-05-31 1954-07-26 Friedrich Schmitt Headlights for automobiles and vehicles of all kinds

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE911461C (en) * 1952-03-30 1954-05-13 Daimler Benz Ag Headlights for motor vehicles
DE949388C (en) * 1953-09-29 1956-09-20 Paul Guenther Erbsloeh Device for eliminating stray radiation from a headlight
GB2129537B (en) * 1982-10-23 1986-01-08 Kenneth Roy Hipwood Non dazzle non dipping headlamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE915657C (en) * 1951-05-31 1954-07-26 Friedrich Schmitt Headlights for automobiles and vehicles of all kinds

Also Published As

Publication number Publication date
FR647887A (en) 1928-12-03
DE496789C (en) 1930-04-26
GB304143A (en) 1929-11-14

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