WO2006060868A2 - Procede et appareil pour ameliorer la visibilite - Google Patents

Procede et appareil pour ameliorer la visibilite Download PDF

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Publication number
WO2006060868A2
WO2006060868A2 PCT/AU2005/001858 AU2005001858W WO2006060868A2 WO 2006060868 A2 WO2006060868 A2 WO 2006060868A2 AU 2005001858 W AU2005001858 W AU 2005001858W WO 2006060868 A2 WO2006060868 A2 WO 2006060868A2
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WO
WIPO (PCT)
Prior art keywords
transparent structure
transparent
lens
curved surface
camera
Prior art date
Application number
PCT/AU2005/001858
Other languages
English (en)
Other versions
WO2006060868A3 (fr
Inventor
Brian Joseph Williams
Original Assignee
Brian Joseph Williams
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
Priority claimed from AU2004907064A external-priority patent/AU2004907064A0/en
Application filed by Brian Joseph Williams filed Critical Brian Joseph Williams
Publication of WO2006060868A2 publication Critical patent/WO2006060868A2/fr
Publication of WO2006060868A3 publication Critical patent/WO2006060868A3/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0006—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 with means to keep optical surfaces clean, e.g. by preventing or removing dirt, stains, contamination, condensation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices

Definitions

  • the present invention relates to improving visibility and more particularly to a method and an apparatus for improving visibility in adverse conditions.
  • An emerging trend is to assist or supplement the normal vision of drivers or operators of moving platforms such as cars, trucks, ships, airplanes and military vehicles by providing an image of the scene of interest.
  • night driving which is significantly more dangerous than day driving, can be made safer by means of an infrared camera system.
  • the headlights of an oncoming vehicle are not visible in the infrared frequency band.
  • the presence of humans and animals may be detected by means of infrared detection.
  • An image from an infrared camera may be processed and displayed on a monitor or projected onto the windscreen of a vehicle. In some cases, the image is projected onto a small portion of the windscreen, m other cases, a semi-transparent image is projected onto a large portion of the windscreen such that the image approximately overlays the scene ahead.
  • Another application of vision assistance for drivers or operators of moving platforms is the location of a camera at the rear of the moving platform.
  • an image of scene to the rear of the moving platform may be displayed on a monitor to the driver or operator, or may be displayed as an image on a rear view mirror.
  • Such images may be generated by a conventional film-based or digital camera to assist drivers while reversing.
  • both direct visibility and visibility via a camera and display arrangement may be adversely affected by weather conditions such as rain, snow and ice.
  • weather conditions such as rain, snow and ice.
  • the presence of rain, snow and ice on a lens of such a camera or other visual device will result in reduced or impaired visibility, which is particularly inconvenient and possibly dangerous for drivers or operators of moving platforms such as cars, trucks, ships, airplanes and military vehicles.
  • any camera or other visual device used outdoors may be subject to impaired visibility and operation as a result of adverse weather or other conditions.
  • dust, mud, etc. may attach to a lens of such a camera or other visual device and may even completely obscure the scene of interest.
  • aspects of the present invention provide methods and apparatuses for improving visibility.
  • an apparatus for improving visibility when positioned between a viewing means and a scene to be viewed by the viewing means comprises a transparent structure having a curved surface and a drive means coupled to the transparent structure.
  • the transparent structure is rotated about an axis by the drive means while the drive means is operating to disperse matter coming in contact with the curved surface.
  • the viewing means may optionally form part of the apparatus.
  • the viewing means may also comprise human eyesight.
  • an optical apparatus comprises a transparent structure having a curved surface adapted to rotate about a central axis and a motor drive coupled to the transparent structure.
  • the motor drive is adapted to rotate the transparent structure about the axis.
  • the transparent structure rotates through a plurality of revolutions while the motor drive is operating.
  • a method for improving visibility in adverse conditions comprises the steps of positioning a transparent structure having a curved surface between a viewing means and a scene intended to be viewed by the viewing means and rotating the transparent structure about an axis to disperse matter coming in contact with the curved surface.
  • an apparatus for improving visibility when positioned between a viewing means and a scene to be viewed by the viewing means is provided.
  • the apparatus comprises a transparent structure adapted to rotate about an axis, a drive means coupled to the transparent structure for rotating the transparent structure about the axis while the drive means is operating and a wiper means adapted to remove matter coming in contact with a surface of the transparent structure as the transparent structure rotates about the axis.
  • the wiper means may remain stationary relative to the rotating transparent structure.
  • Fig. 1 is a top view of an apparatus for improving visibility in accordance with an embodiment of the present invention
  • Fig. 2 is a top view of an apparatus for improving visibility in accordance with another embodiment of the present invention
  • Fig. 3 is a top view of an apparatus for improving visibility in accordance with another embodiment of the present invention
  • Fig. 4 is a top view of an apparatus for improving visibility in accordance with another embodiment of the present invention.
  • Fig. 5 is a top view of an apparatus for improving visibility in accordance with another embodiment of the present invention.
  • Fig. 6 is a side view of a ball bearing arrangement used in the embodiments shown in Figs. 4 and 5;
  • Fig. 7 is a rear view of a coupling arrangement used in the embodiment shown in Fig. 4 with the electric motor removed;
  • Fig. 8 is a flowchart of a method for improving visibility in adverse conditions;
  • Fig. 9a is a side view of an apparatus for improving visibility in accordance with another embodiment of the present invention.
  • Fig. 9b is a side view of an apparatus for improving visibility in accordance with yet another embodiment of the present invention. Detailed Description
  • Embodiments relating to methods and apparatuses are described herein for improving visibility in adverse conditions.
  • Certain of the embodiments are described with reference to optical devices such as a cameras, however, it is not intended that the present invention be limited in this manner.
  • optical devices such as a cameras
  • other types of optical devices including, but not limited to, telescopes, binoculars, telescopic sights (for weapons) and night vision goggles maybe used in place of, or in addition to, cameras.
  • Cameras include, but are not limited to conventional film-based cameras, digital cameras, video cameras, cinematographic cameras and infrared cameras.
  • the human eye is also considered to fall within the scope of an optical device.
  • Certain optical devices used may be connected to a viewing monitor or projection system for display purposes. Apparatuses in accordance with embodiments of the present invention may optionally be provided (e.g., sold) together with or without such optical devices.
  • Fig. 1 shows an apparatus 100 in accordance with an embodiment of the present invention.
  • a transparent structure 110 having a convex surface is rotatable about a central axis 112.
  • An electric motor 130 rotates a drive shaft 120, while the electric motor 130 operates.
  • the drive shaft 120 is coupled to the centre of the transparent structure 110 such that operation of the electric motor 130 causes rotation of the transparent structure 110.
  • An optical device 140 is positioned such that the transparent structure 110 is located between the optical device 140 and a scene to be observed or recorded by the optical device 140.
  • the direction of view of the optical device is indicated by the broken line 142 in Fig. 1.
  • the optical device 140 may optionally form part of the apparatus 100.
  • the transparent structure 110 As the transparent structure 110 rotates, matter (e.g., rain drops, water, ice snow, mud, etc.) that comes into contact with the convex surface of the transparent structure 110 is centrifugally dispersed to provide improved visibility for the optical device 140.
  • the transparent structure 110 has a cylindrical ring portion 150 for preventing matter from contacting the optical device 140.
  • the transparent structure 110 may have sufficient curvature such that the cylindrical ring portion 150 is unnecessary.
  • Fig. 2 shows an apparatus 200 in accordance with another embodiment of the present invention. Elements in Fig. 2 with the same reference designators as elements in Fig. 1 may be assumed to be the same or equivalent.
  • the electric motor 130, the drive shaft 120 and the optical device 140 in Fig. 2 are as described with reference to Fig. 1.
  • the apparatus 200 of Fig. 2 comprises a transparent structure 210 having a concave surface, which is adapted to rotate about a central axis 212.
  • matter e.g., rain drops, water, ice snow, mud, etc.
  • An advantage associated with a concave transparent structure is that the amount of glare is reduced. This may ameliorate the need for a light attenuation coating on such a transparent structure.
  • the transparent structure 210 has a cylindrical ring portion 250 for preventing matter from contacting the optical device 140.
  • the transparent structure 210 may have sufficient curvature such that the cylindrical ring portion'250 is unnecessary.
  • Fig. 3 shows an apparatus 300 in accordance with another embodiment of the present invention. Elements in Fig. 3 with the same reference designators as elements in Figs 1 and 2 may be assumed to be the same or equivalent.
  • the electric motor 130, the drive shaft 120 and the optical device 140 in Fig. 3 are as described with reference to Figs. 1 and 2.
  • the apparatus 300 of Fig. 3 comprises a transparent structure 310 having a convex surface.
  • the transparent structure 310 may have a concave surface (not shown).
  • the transparent structure 310 is coupled to the drive shaft 120, which is adapted to rotate while the electric motor 130 operates.
  • the transparent structure 310 has an inverted champagne glass-type shape with the drive shaft 120 appearing as the stem and the motor 130 as the base.
  • the optical device 140 is mounted on a structural member 320 such as a rigid strut that may, in turn, be fixed to another structure (not shown) external to the transparent structure 310.
  • Figs. 1, 2 and 3 show an electric motor 130 configured to drive the transparent structures 110, 210 and 310 directly via a drive shaft 120.
  • a drive shaft 120 For example, persons skilled in the art would understand that numerous other drive arrangements may be practiced to achieve the same or a similar result. Other drive arrangements should thus be considered to be mechanical equivalents of the drive arrangements shown herein.
  • an indirect drive arrangement may be practiced, whereby the shaft of an electric motor may be configured to drive a separate shaft adapted to rotate the transparent structure about an axis by means of a pulley drive arrangement or gears.
  • the transparent structures 110, 210 and 310 may be driven or rotated by other drive means such as air, water or magnetic coupling.
  • Fig. 4 shows a top view of an apparatus 400 in accordance with an embodiment of the present invention.
  • a circular transparent structure 410 having a convex surface comprises or is attached to a cylindrical ring portion 412 around the circumference of the circular transparent structure 410.
  • the circular transparent structure 410 is rotatable about a circular rigid support structure 460 by means of a ball bearing arrangement in which balls 462 and 464 are disposed between a circular groove 414 in the inner surface 413 of the cylindrical ring portion 412 and a circular groove- (not shown in Fig. 4) in the outer surface 461 of the circular rigid support structure 460.
  • the ball bearing arrangement is further described hereinafter with reference to Fig. 6.
  • the rigid support structure 460 also provides a means of supporting the optical device 440.
  • the drive shaft 420 of an electric motor 430 is coupled to the cylindrical ring portion 412 by means of a coupling arrangement 425 for rotating the circular transparent structure 410 when the electric motor 430 is operating.
  • the coupling arrangement 425 is described hereinafter with reference to Fig. 7.
  • the electric motor 430 may also be supported by the rigid support structure 460 (not shown).
  • Apparatuses in accordance with embodiments of the present invention may be integrated within optical devices.
  • a rotating circular transparent structure having a curved surface for example, a lens
  • the embodiment shown in Fig. 4 may be used or adapted for integration within an optical device.
  • rotation of the circular transparent structure 410 may be practiced by locating the ball bearings 462 and 464 between the outer surface of the cylindrical ring portion 412 and an inner surface of a tubular body of the optical device (not shown).
  • the ball bearings 462 and 464 will thus be located outside the cylindrical ring portion 412 and the circular rigid support structure 460 will no longer be necessary for rotationally driving the circular transparent structure 410.
  • any of the apparatuses 100, 200, 300 and 400 may comprise a conventional digital camera and an infra-red camera to cater for both day and night situations.
  • Fig. 5 shows a top view of an apparatus 500 in accordance with another embodiment of the present invention. Elements in Fig. 5 with the same reference designators as elements in Fig. 4 may be assumed to be the same or equivalent.
  • the cylindrical ring portion 412 around the circumference of the circular transparent structure 470, the ball bearing arrangement, the electric motor 430, and the drive shaft 420 are as described with reference to Fig. 4.
  • the circular transparent structure 470 has a concave surface and the drive shaft 420 is directly coupled to the centre of the inner surface of the circular transparent structure 470.
  • the drive shaft 420 may be coupled to the centre of the inner surface of the circular transparent structure 470 via a pulley drive, gears or ' any other indirect drive arrangement that is mechanically equivalent.
  • An indirect drive arrangement enables the circular transparent structure 470 to rotate at a different angular velocity to the shaft of the electric motor 430.
  • the embodiment of Fig. 5 has two optical devices 440 and 450 having directions of view 442 and 452, respectively.
  • the positions of the optical devices 440 and 450 may be adjustable so that the respective directions and fields of the optical devices 440 and 450 may be varied. Such adjustment may be performed manually or automatically by way of motor drives and joystick or similar control.
  • Fig. 6 shows additional detail of the ball bearing arrangement comprising balls 462 and 464 shown in Figs. 4 and 5.
  • a circular groove 414 is provided around the inner circumferential surface 413 of the cylindrical ring portion 412.
  • a complementary circular groove 610 is provided around the outer circumferential surface 461 of the circular rigid support structure 460.
  • the grooves 414 and 610 are of triangular profile in Fig. 6, other profiles such as circular or curved may also be practised.
  • a number of balls, including balls 462 and 464, are disposed between the grooves 414 and 610, thus providing a ball bearing arrangement.
  • Fig. 7 shows additional detail of the coupling arrangement 425 shown in Fig. 4.
  • the circular ring portion 412 of Fig. 4 has a circular toothed portion 712 extending around an inner surface of the circular ring portion 412 for engaging with a toothed gear wheel 720 mounted on the drive shaft 420 of the electric motor 430.
  • Other intermediate gear wheels may be included between the gear wheel 720 and the toothed portion 712, thus enabling the transparent structure 410 to rotate at a different angular velocity to the shaft of the electric motor 430.
  • Fig. 8 shows a flow diagram of a method for improving visibility in adverse conditions.
  • a transparent structure having a curved surface is positioned between a viewing means and a scene intended to be viewed by the viewing means at step 810.
  • the transparent structure is rotated about a central axis to disperse matter coming into contact with the curved surface.
  • the curved surface may be convex or concave.
  • Fig. 9a shows an apparatus 900 in accordance with another embodiment of the present invention. Elements in Fig. 9a with the same reference designators as elements in other figures in the present specification may be assumed to be the same or equivalent.
  • the transparent structure 110 having a convex surface and an optional cylindrical ring portion 150, the electric motor 130 and the drive shaft 120 are as described with reference to Fig. 1.
  • one or more optical device/s may optionally be provided.
  • the apparatus 900 further comprises a curved wiper means 960 for removing matter (e.g., rain drops, water, ice snow, mud, etc.) that comes into contact with the convex surface of the transparent structure 110.
  • the wiper means may be similar to an automobile wiper arm but with an additional degree of curvature.
  • the wiper means 960 may be maintained in a stationary position relative to the rotating transparent structure 110. As the transparent structure 110 rotates, matter (e.g., rain drops, water, ice snow, mud, etc.) that is in contact with the convex surface of the transparent structure 110 is removed by the wiper means 960 to provide improved visibility. Although a gap is shown between the convex surface of the transparent structure 110 and the wiper means 960, the wiper means may be in direct contact with the convex surface of the transparent structure 110.
  • Fig. 9b shows an apparatus 905 in accordance with another embodiment of the present invention. Elements in Fig. 9b with the same reference designators as elements in other figures in the present specification may be assumed to be the same or equivalent. Thus, the electric motor 130 and the drive shaft 120 are as described with reference to Fig. 1. Furthermore, one or more optical device/s (not shown), such as the optical device 140 in Fig. 1, may optionally be provided.
  • the apparatus 905 further comprises a wiper means 965 for removing matter (e.g., rain drops, water, ice snow, mud, etc.) that comes into contact with a flat surface of the transparent structure 910.
  • the transparent structure 910 preferably comprises a circular disc.
  • the wiper means 965 may be maintained in a stationary position relative to the rotating transparent structure 910. As the transparent structure 910 rotates, matter (e.g., rain drops, water, ice snow, mud, etc.) that is in contact with the flat surface of the transparent structure 910 is removed by the wiper means 965 to provide improved visibility.
  • matter e.g., rain drops, water, ice snow, mud, etc.
  • the wiper means may be in direct contact with the convex surface of the transparent structure 910.
  • the wiper means 960 and 965 are coupled to a bearing or bush 920 that the drive shaft 120 rotates in and a support arm 980 mounted on a stand 970.
  • the wiper means 960 and 965 need only be supported at one end of the wiper means 960 and 965.
  • the wiper means 960 and 965 may be coupled to an entirely different support structure than what is shown in Figs. 9a and 9b.
  • the wiper means 960 and 965 need not necessarily be maintained in a stationary position relative to the rotating transparent structures 110 and 910, respectively.
  • the embodiments shown in Figs. 9a and 9b may advantageously enable the transparent structures 110 and 910 to be rotated at a slower speed than what is required in the case of similar conditions (e.g., rain) from conventional wipers such as on an automobile.
  • Certain embodiments described hereinbefore comprise a rotating transparent structure with a curved surface such as a lens for dispersing matter in contact with the curved surface of the transparent structure.
  • matter may include, but is not limited to: water, rain, snow, ice, dust and mud.
  • matter in contact with the centre of a curved, convex or concave rotating transparent structure will be more easily dispersed than matter in contact with the centre of a flat rotating transparent structure.
  • suitable speeds of rotation for a curved transparent structure or lens may be in the range of 500 to 2500 rpm.
  • embodiments of the present invention have successfully been practiced with a rotational speed of approximately 1,000 rpm.
  • other rotational speeds outside the foregoing range may also be practiced.
  • An optimal rotational speed range for a particular application is dependent of the radius of curvature of the lens or transparent structure and the type and amount of matter to be dispersed.
  • the curved transparent structure or lens is preferably rotated at constant velocity. In certain embodiments, the specific velocity is selectable in accordance with the type and amount of matter to be dispersed.
  • the transparent structures referred to herein may comprise various types of lenses including, but not limited to: convex lenses, biconvex lenses, plano-convex lenses, concave lenses, biconcave lenses, plano-concave lenses, lenses having a positive meniscus and lenses having a negative meniscus.
  • the transparent structure should have sufficient rigidity or be sufficiently supported not to be deformed by strong winds or airflow.
  • Lenses and transparent structures referred to hereinbefore are transparent in that a scene may be viewed or recorded by an optical device through the lenses and transparent structures.
  • the degree of transparency affects the amount of light refracted and reflected, lenses or other transparent structures having a higher degree of transparency are desirable.
  • the lenses and transparent structures described hereinafter may be coated with a material that attenuates bright light to a greater degree than light that is less bright, such as is used on sunglasses lenses.
  • the lenses and transparent structures may be of glass, plastic, or any other suitable transparent material.
  • Embodiments described hereinbefore employ an electric motor to drive or rotate a transparent structure or lens about an axis.
  • other drive means may be practiced in alternative embodiments of the present invention.
  • air pressure, wind power or water power may be used to rotate the transparent structure or lens about an axis.
  • Apparatuses in accordance with embodiments of the present invention may be mounted externally to the cabin of a moving platform to provide improved visibility to a driver or operator of the moving platform in adverse conditions such as adverse weather conditions.
  • Such moving platforms may include, but are not limited to: cars, trucks, cranes, trains, airplanes, helicopters, tanks, armoured vehicles, boats and ships.
  • a fluid such as water or a cleaning solution is dispensed (e.g., sprayed, dripped or washed) onto the surface of the transparent structures of previous embodiments described hereinbefore to aid removal of matter (e.g., dust or mud) that comes into contact with the surface.
  • the fluid is subsequently dispersed by rotation of the transparent structure and/or a wiper means.
  • each of the embodiments described hereinbefore may comprise a transparent structure having a convex or concave curved surface.
  • the transparent structures with a curved surface preferably, but not necessarily, have a circular circumferential edge.
  • other shapes such as an elliptical circumferential edge may also be practised.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Accessories Of Cameras (AREA)

Abstract

Procédés et appareils pour améliorer la visibilité, généralement dans des conditions météo adverses. Une structure transparente (110) est disposée entre un moyen de visualisation (140) et un plateau destiné à être vu par le moyen de visualisation (140). La structure transparente (110) pivote autour d'un axe (112) de manière à disperser la matière qui entre en contact avec une surface de la structure transparente (110). La surface de la structure transparente (110) peut être incurvée.
PCT/AU2005/001858 2004-12-10 2005-12-09 Procede et appareil pour ameliorer la visibilite WO2006060868A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AU2004907064A AU2004907064A0 (en) 2004-12-10 Method and apparatus for improving visibility
AU2004907064 2004-12-10
US64066704P 2004-12-29 2004-12-29
US60/640,667 2004-12-29

Publications (2)

Publication Number Publication Date
WO2006060868A2 true WO2006060868A2 (fr) 2006-06-15
WO2006060868A3 WO2006060868A3 (fr) 2006-08-03

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PCT/AU2005/001858 WO2006060868A2 (fr) 2004-12-10 2005-12-09 Procede et appareil pour ameliorer la visibilite

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014086421A1 (fr) * 2012-12-06 2014-06-12 Aktiebolaget Skf Capteur de température comprenant un écran mobile servant à déplacer les contaminants
JP2017053857A (ja) * 2015-09-10 2017-03-16 コーエイ工業株式会社 保護装置及び該保護装置を備えた車両センサシステム
US9783166B1 (en) 2016-06-07 2017-10-10 International Business Machines Corporation Windscreen clearing using surface monitoring
JP2019006376A (ja) * 2017-05-17 2019-01-17 ヴァレオ システム デシュヤージュＶａｌｅｏ Ｓｙｓｔｅｍｅｓ Ｄ’Ｅｓｓｕｙａｇｅ 光センサを保護するための装置、運転支援システム、及び、対応する組み立て方法
JP2019523175A (ja) * 2016-07-28 2019-08-22 ヴァレオ システム デシュヤージュＶａｌｅｏ Ｓｙｓｔｅｍｅｓ Ｄ’Ｅｓｓｕｙａｇｅ 光学センサを保護するための装置、及び光学センサを備える運転支援システム
JP2019535580A (ja) * 2016-11-17 2019-12-12 ヴァレオ システム デシュヤージュＶａｌｅｏ Ｓｙｓｔｅｍｅｓ Ｄ’Ｅｓｓｕｙａｇｅ 光学センサを保護する装置、並びに関連する運転支援システム及び洗浄方法
JP2019537538A (ja) * 2016-11-17 2019-12-26 ヴァレオ システム デシュヤージュＶａｌｅｏ Ｓｙｓｔｅｍｅｓ Ｄ’Ｅｓｓｕｙａｇｅ 光学センサを保護するための装置と関連する運転者支援システムおよび清掃方法

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US6607606B2 (en) * 2001-04-03 2003-08-19 Hewlett-Packard Development Company, L.P. Self-cleaning lens shield

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US6607606B2 (en) * 2001-04-03 2003-08-19 Hewlett-Packard Development Company, L.P. Self-cleaning lens shield

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014086421A1 (fr) * 2012-12-06 2014-06-12 Aktiebolaget Skf Capteur de température comprenant un écran mobile servant à déplacer les contaminants
JP2017053857A (ja) * 2015-09-10 2017-03-16 コーエイ工業株式会社 保護装置及び該保護装置を備えた車両センサシステム
US9783166B1 (en) 2016-06-07 2017-10-10 International Business Machines Corporation Windscreen clearing using surface monitoring
JP2019523175A (ja) * 2016-07-28 2019-08-22 ヴァレオ システム デシュヤージュＶａｌｅｏ Ｓｙｓｔｅｍｅｓ Ｄ’Ｅｓｓｕｙａｇｅ 光学センサを保護するための装置、及び光学センサを備える運転支援システム
US11079592B2 (en) 2016-07-28 2021-08-03 Valeo Systèmes d'Essuyage Device for protecting an optical sensor and driving aid system comprising an optical sensor
JP2019535580A (ja) * 2016-11-17 2019-12-12 ヴァレオ システム デシュヤージュＶａｌｅｏ Ｓｙｓｔｅｍｅｓ Ｄ’Ｅｓｓｕｙａｇｅ 光学センサを保護する装置、並びに関連する運転支援システム及び洗浄方法
JP2019537538A (ja) * 2016-11-17 2019-12-26 ヴァレオ システム デシュヤージュＶａｌｅｏ Ｓｙｓｔｅｍｅｓ Ｄ’Ｅｓｓｕｙａｇｅ 光学センサを保護するための装置と関連する運転者支援システムおよび清掃方法
US10953855B2 (en) 2016-11-17 2021-03-23 Valeo Systèmes d'Essuyage Device for protecting an optical sensor, and associated driving assistance system and cleaning method
JP2019006376A (ja) * 2017-05-17 2019-01-17 ヴァレオ システム デシュヤージュＶａｌｅｏ Ｓｙｓｔｅｍｅｓ Ｄ’Ｅｓｓｕｙａｇｅ 光センサを保護するための装置、運転支援システム、及び、対応する組み立て方法

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WO2006060868A3 (fr) 2006-08-03

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