FR2886239A1 - Rear view system e.g. rearview mirror, for vehicle, has image sensor transmitting optical information reconstructed on display screen placed in front of driver, where screen has its view angle above or on instrument panel - Google Patents

Rear view system e.g. rearview mirror, for vehicle, has image sensor transmitting optical information reconstructed on display screen placed in front of driver, where screen has its view angle above or on instrument panel Download PDF

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Publication number
FR2886239A1
FR2886239A1 FR0505523A FR0505523A FR2886239A1 FR 2886239 A1 FR2886239 A1 FR 2886239A1 FR 0505523 A FR0505523 A FR 0505523A FR 0505523 A FR0505523 A FR 0505523A FR 2886239 A1 FR2886239 A1 FR 2886239A1
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France
Prior art keywords
driver
vehicle
screen
instrument panel
display screen
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.)
Withdrawn
Application number
FR0505523A
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French (fr)
Inventor
Georges Gazuit
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Individual
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Individual
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Priority to FR0505523A priority Critical patent/FR2886239A1/en
Publication of FR2886239A1 publication Critical patent/FR2886239A1/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/20Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/22Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle
    • B60R1/23Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view
    • B60R1/26Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles for viewing an area outside the vehicle, e.g. the exterior of the vehicle with a predetermined field of view to the rear of the vehicle
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2300/00Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
    • B60R2300/10Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used
    • B60R2300/105Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used using multiple cameras
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R2300/00Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
    • B60R2300/20Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of display used
    • B60R2300/205Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of display used using a head-up display

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Closed-Circuit Television Systems (AREA)

Abstract

The system has a CMOS type image sensor (1) placed on a back side of a motor vehicle for transmitting an optical information that is analyzed and reconstructed on an LCD type display screen (51) or an instrument panel (52). The screen is placed in front of a vehicle driver and has its view angle above or on the instrument panel. A Fresnel lens with a large optic angle is placed in a case and protected by a protection cone. The lens transmits the image to an optic fiber (4) which is connected to the screen that is situated in front of the driver or on the instrument panel.

Description

Indicateur global de vision arrièreGlobal rear vision indicator

1 la rétrovision, c'est à dire la vue derrière soi est indispensable à la conduite d'un véhicule automobile Le rétroviseur d'un véhicule automobile est basé sur la réfraction d'une image reçue sur une glace. cette réfraction optique est directement perçue par l'oeil du conducteur.Le rétroviseur est donc situé dans l'angle de vue du conducteur (figl) qui lui permet de voir devant lui et derrière lui le problème est que la réfraction de l'image arrière est limitée par la surface de la lucarne arrière et par les protubérances internes;appui têtes, tête des passagers arrière, etc) Pour avoir une vue globale de l'arrière,on a ajouté 2 rétroviseurs extérieurs à l'habitacle de l'automobile situés de part et d'autre qui donnent une image latérale droite et gauche (fig2) Pour avoir une parfaite connaissance de la vue arrière le conducteur doit prendre en charge 3 visions Rc R1 R2 (fig2) qui ne sont pas simultanées mais séquentielles qui n'offrent pas une vue complète de l'arrière et lui font perdre la vue devant soi Par ailleurs les rétroviseurs externes latéraux sont des protubérances qui peuvent se révéler dangereuses en cas d'accident et perdent de leur efficacité dans certaines conditions climatiques: pluie, neige embuage givre etc; ; ; ; la présente invention est caractérisée par un système de vision arrière global qui est transmis dans sa globalité sur un écran placé dans la ligne de vue du conducteur et lui permet d'avoir une vue globale et simultanée de l'avant et de l'arrière du véhicule, ce système n'étant pratiquement pas altéré par les conditions climatiques la présente invention est caractérisée par un capteur d'image (1) fig3 situé sur la face arrière du véhicule qui transmet une information optique ou informatique (4) qui est analysée et reconstruite sur un écran (51) ou (52) placé devant le conducteur et dans son angle de vue soit au dessus (51) soit de préférence sur le tableau de bord (52) selon la (fig 3) la transmission optique de l'image suivant une caractéristique de l'invention comporte un boîtier (1) (fig 4) dans lequel est placé une lentille optique grand angle (2) protégée par un cône de protection (3) . La lentille (2) transmet l'image à une fibre optique (4) qui est reliée à son autre extrémité à un écran (5) situé devant le conducteur soit au dessus (51) soit sur le tableau de 35 bord (52) 1 l'écran (5) ( fig 4) est constitué d'un boîtier (6) dans lequel arrive la fibre optique (4) coiffée d'une lentille divergente (7) qui renvoie l'image en provenance du boîtier (1) sur une glace (8) à 45 et une lentille de Fresnel(9 qui projette l'image de réception symétrique de la prise d'image une variante de la présente invention est caractérisée par une transmission informatique de l'image suivant la (fig 5) le capteur d'image arrière (12) transmet une information numérique de l'image reçue à un écran de visualisation (17) qui reçoit une image symétrique de la prise de vue suivant les flèches (13) et (14) fig6 le capteur (12) est constitué d'un boitier (15) qui contient un obturateur(16) commandé en ouverture par la mise en service du courant électrique sur le véhicule. une lentille optique grand angle (18) couplée à un capteur informatique type CMOS connu en soi qui décompose l'information optique et numérise cette information sur un logiciel de calcul. L'image est reconstituée symétrique à la prise de vue suivant les flèches (13) et (14) fig 6.Cette information est reprise sur un boitier (17) fig 5 situé devant le conducteur et dans son angle de vue de conduite ce boitier (17) contient un écran LCD connu en soi mais sans mémoire de stockage qui prend directement et en continu l'image symétrique de la prise de vue (13) fig 5 qui est agrandie par une loupe (21) à la vue du conducteur En application pratique sur un véhicule l'invention est caractérisée par Plusieurs variantes d'installation suivant que le véhicule soit une automobile de tourisme ou un camion dans le cas d'un véhicule de tourisme l'invention est caractérisée par 2 ou 3 capteurs de prise de vue arrière suivant la figure 7 situés de par et d'autre du véhicule et en partie haute arrière qui transmettent des images numériques aux 2ou 3 écrans de visualisation(17) placés devant le conducteur et dans son axe de vue de conduite qui lui assure une vue globale arrière lui facilitant notamment la manoeuvre de recul.  1 the rear view, ie the view behind is essential for the driving of a motor vehicle The rearview mirror of a motor vehicle is based on the refraction of an image received on an ice. this optical refraction is directly perceived by the driver's eye.The mirror is located in the driver's viewing angle (figl) which allows him to see in front of him and behind him the problem is that the refraction of the rear image is limited by the surface of the rear skylight and the internal protuberances, support heads, head of the rear passengers, etc.) To have an overall view of the rear, we have added 2 exterior mirrors to the passenger compartment of the automobile located on both sides giving a right and left side image (fig2) To have a perfect knowledge of the rear view the driver must support 3 visions Rc R1 R2 (fig2) which are not simultaneous but sequential which does not do not offer a full view of the rear and make it lose sight in front In addition side external mirrors are protrusions that can be dangerous in case of accident and lose their effectiveness in certain climatic conditions: rain, snow, fogging frost, etc .; ; ; ; the present invention is characterized by a global rear vision system which is transmitted in its entirety on a screen placed in the line of sight of the driver and allows him to have a global and simultaneous view of the front and rear of the vehicle, this system being practically unaffected by the climatic conditions the present invention is characterized by an image sensor (1) fig3 located on the rear face of the vehicle which transmits an optical or computer information (4) which is analyzed and reconstructed on a screen (51) or (52) placed in front of the driver and in its angle of view either above (51) or preferably on the dashboard (52) according to (fig 3) the optical transmission of the image according to a feature of the invention comprises a housing (1) (Fig 4) in which is placed a wide-angle optical lens (2) protected by a protective cone (3). The lens (2) transmits the image to an optical fiber (4) which is connected at its other end to a screen (5) in front of the conductor either above (51) or on the board (52) 1 the screen (5) (FIG. 4) consists of a housing (6) in which the optical fiber (4) covered with a diverging lens (7) arrives, which returns the image coming from the housing (1) to an ice (8) at 45 and a Fresnel lens (9 which projects the symmetrical reception image of the image taking a variant of the present invention is characterized by a computer transmission of the image according to FIG. the rear image sensor (12) transmits digital information of the received image to a display screen (17) which receives a symmetrical image of the shooting according to the arrows (13) and (14) fig6 the sensor ( 12) consists of a housing (15) which contains a shutter (16) controlled in opening by the putting into operation of the electric current on the v A wide angle optical lens (18) coupled to a known CMOS type computer sensor which decomposes the optical information and digitizes this information on a computer program. The image is reconstituted symmetrical to the shooting according to the arrows (13) and (14) fig 6.This information is taken on a box (17) fig 5 located in front of the driver and in his driving angle of view this case (17) contains an LCD screen known per se but without storage memory which takes directly and continuously the symmetrical image of the shooting (13) fig 5 which is enlarged by a magnifying glass (21) in the view of the driver. practical application on a vehicle the invention is characterized by several installation variants depending on whether the vehicle is a passenger car or a truck in the case of a passenger vehicle the invention is characterized by 2 or 3 pickup sensors. rear view according to Figure 7 located on either side of the vehicle and in the rear upper part that transmit digital images to 2 or 3 viewing screens (17) placed in front of the driver and in its driving view axis which provides a global view rear ale facilitating him particularly the recoil maneuver.

Dans le cas d'un camion l'invention est caractérisée par 3 capteurs figé 30 un capteur central situé à l'arrière de la remorque et dans sa partie centrale qui assure une vue globale arrière dégagée à visibilité totale qui permet une manoeuvre arrière du conducteur visualisée qui peut être déconnectée du tracteur en cas de séparation de la remorque 2 capteurs latéraux droite et gauche placés de chaque coté du tracteur et 35 dans sa partie haute qui assure les visions latérales arrière au conducteur les 3 capteurs sont reliés à 3 écrans de visualisation placés devant le conducteur lui assurant ainsi une vue arrière globale dans son axe de vue de conduite  In the case of a truck the invention is characterized by 3 sensors fixed 30 a central sensor located at the rear of the trailer and in its central part which provides an overall view back clear to total visibility that allows a rear maneuver of the driver visualized which can be disconnected from the tractor in case of separation of the trailer 2 right and left side sensors placed on each side of the tractor and 35 in its upper part which ensures the rear lateral visions to the driver the 3 sensors are connected to 3 screens of visualization placed in front of the driver thus ensuring a comprehensive rear view in its axis of view of driving

revendicationsclaims

1 1 système de vision derrière soi caractérisé par une visualisation globale de l'espace en arrière d'un véhicule sur un écran de visualisation placé devant le conducteur et dans son angle de vue de conduite du véhicule 2 système de vision derrière soi suivant la revendication 1 caractérisé par un système de prise d'image situé derrière le véhicule et en position haute constitué d'un capteur optique lié par une fibre optique à un écran optique de visualisation situé devant le conducteur soit au dessus de son angle de vision de conduite soit de préférence dans son champ de vision sur le tableau de bord 3 système de vision derrière soi suivant la revendication 1 caractérisé par un système de prise de vue constitué d'une lentille et d'un capteur type CMOS qui décompose et numérise l'image et transmet les informations à un écran de visualisation de type LCD placé dans le champ de vision de conduite du conducteur l'image visualisée étant symétrique de la prise de vue 4 système de vision derrière soi suivant la revendication 3 caractérisé par 2 ou 3 capteurs placés judicieusement derrière et sur les cotés du véhicule reliés à 2 ou 3 écrans de visualisation placés devant le conducteur lui permettant d'avoir une vue arrière globale simultanée avec sa vue avant à l'arrêt ou en marche  1 1 rear view system characterized by an overall visualization of the space behind a vehicle on a display screen placed in front of the driver and in his viewing angle of the vehicle 2 rear view vision system according to the claim 1 characterized by an image pickup system located behind the vehicle and in the up position consisting of an optical sensor linked by an optical fiber to an optical display screen located in front of the driver either above his viewing angle of vision or preferably in its field of vision on the dashboard 3 rear view system according to claim 1 characterized by a shooting system consisting of a lens and a sensor type CMOS which decomposes and digitizes the image and transmits the information to an LCD-type display screen placed in the driver's field of view, the displayed image being symmetrical to the Shooting 4 rear view system according to claim 3 characterized by 2 or 3 sensors placed judiciously behind and on the sides of the vehicle connected to 2 or 3 display screens placed in front of the driver allowing him to have a global rear view simultaneous with its front view when stopped or running

FR0505523A 2005-05-27 2005-05-27 Rear view system e.g. rearview mirror, for vehicle, has image sensor transmitting optical information reconstructed on display screen placed in front of driver, where screen has its view angle above or on instrument panel Withdrawn FR2886239A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0505523A FR2886239A1 (en) 2005-05-27 2005-05-27 Rear view system e.g. rearview mirror, for vehicle, has image sensor transmitting optical information reconstructed on display screen placed in front of driver, where screen has its view angle above or on instrument panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0505523A FR2886239A1 (en) 2005-05-27 2005-05-27 Rear view system e.g. rearview mirror, for vehicle, has image sensor transmitting optical information reconstructed on display screen placed in front of driver, where screen has its view angle above or on instrument panel

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FR2886239A1 true FR2886239A1 (en) 2006-12-01

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FR0505523A Withdrawn FR2886239A1 (en) 2005-05-27 2005-05-27 Rear view system e.g. rearview mirror, for vehicle, has image sensor transmitting optical information reconstructed on display screen placed in front of driver, where screen has its view angle above or on instrument panel

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FR (1) FR2886239A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0083769A2 (en) * 1982-01-07 1983-07-20 August-Wilhelm Gelmke Rear view mirror device for a vehicle
DE3248511A1 (en) * 1982-12-29 1984-07-05 Derek 2110 Buchholz Bissenden All-round viewing device for motor vehicles
GB2154526A (en) * 1984-02-21 1985-09-11 David Jeffrey Baggaley Optical viewing system
FR2627135A1 (en) * 1988-02-11 1989-08-18 Ferraye Ralph Transmission of the rear view and/or of the side views onto a screen placed inside the car, and display of the speed at the rear of the car
DE4107965A1 (en) * 1991-03-13 1991-09-26 Walter Loidl All-round viewing mirror system for motor vehicle - combines views normally obtd. from wing mirrors into panoramic display lenses and fibre=optic bundles
GB2258199A (en) * 1991-08-02 1993-02-03 Jonathan Adrian Gilbert A viewing device for a vehicle
US5670935A (en) * 1993-02-26 1997-09-23 Donnelly Corporation Rearview vision system for vehicle including panoramic view

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0083769A2 (en) * 1982-01-07 1983-07-20 August-Wilhelm Gelmke Rear view mirror device for a vehicle
DE3248511A1 (en) * 1982-12-29 1984-07-05 Derek 2110 Buchholz Bissenden All-round viewing device for motor vehicles
GB2154526A (en) * 1984-02-21 1985-09-11 David Jeffrey Baggaley Optical viewing system
FR2627135A1 (en) * 1988-02-11 1989-08-18 Ferraye Ralph Transmission of the rear view and/or of the side views onto a screen placed inside the car, and display of the speed at the rear of the car
DE4107965A1 (en) * 1991-03-13 1991-09-26 Walter Loidl All-round viewing mirror system for motor vehicle - combines views normally obtd. from wing mirrors into panoramic display lenses and fibre=optic bundles
GB2258199A (en) * 1991-08-02 1993-02-03 Jonathan Adrian Gilbert A viewing device for a vehicle
US5670935A (en) * 1993-02-26 1997-09-23 Donnelly Corporation Rearview vision system for vehicle including panoramic view

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