• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    SUMMARY The present invention relates to a method for providing and retrieving information along a vehicle route. The method comprises stepwise by means of sensor means sensing (S1) information comprised by at least one information means. The method further comprises the steps of by means of the sensor means activating (S2) said information means by illumination and by means of the sensor means extracting (S3) thereby activated information of said information means as a basis for the vehicle's progress, said information means comprising at least one reflective surface sensed by said sensor means. The present invention relates to a system for providing and retrieving information along a vehicle route, and to a motor vehicle comprising such a system. The present invention also relates to a computer program and a computer program product. (Fig. 7)
    公开号:SE1450233A1
    申请号:SE1450233
    申请日:2014-03-03
    公开日:2015-09-04
    发明作者:Mikael Salmén；Carl Fredrik Ullberg；Mikael Lindberg；Fredrich Claezon
    申请人:Scania Cv Ab；
    IPC主号:
    专利说明:

    OBJECT OF THE INVENTION An object of the present invention is to provide a method and system for providing and retrieving information along a vehicle route that enables safe and efficient navigation for driving the vehicle even in environments such as mining environments where conventional navigation technology does not works / is available.
    SUMMARY OF THE INVENTION These and other objects, which appear from the following description, are achieved by means of a method, a system, a motor vehicle, a computer program and a computer program product of the kind initially indicated and further having the features set forth in the characterizing part of the appended independent claims. Preferred embodiments of the method and system are defined in the appended dependent claims.
    According to the invention, the objects are achieved with a method for providing and obtaining information along a vehicle route, comprising the step of sensing information comprised by at least one information means by means of sensor means, comprising the steps of i) activating said information means by means of the sensor means and ii) extracting by means of the sensor means activated information of said information means as a basis for the progress of the vehicle, said information means comprising at least one reflecting surface which is sensed by means of said sensor means. This enables safe and efficient navigation for driving the vehicle even in environments such as mining environments where conventional navigation technology does not work / is available.
    According to one embodiment, the method comprises the step of producing by means of reflecting surfaces of said information means patterns extractable by means of the sensor means comprising desired information. This makes it possible to make available any suitable information to facilitate the driving of the vehicle.
    According to one embodiment, the method comprises the step of varying said desired information by varying patterns of said reflective surfaces. This enables adaptation of the information, which further improves safe and efficient navigation for driving the vehicle, where, for example, changes in conditions such as changed and / or added routes in a mine, changed and / or added loading / unloading location, speed changes or the like.
    According to one embodiment, the method comprises the step of controlling varying said patterns to change said desired information. This enables simple and efficient change of the information, which can take place by means of an electronic control unit where the control can take place externally and / or from the vehicle in question.
    According to an extractability of said desired information by varying embodiment, the method comprises the step of varying the reflectivity of said reflecting surfaces. Consequently, by varying the retractability, it is possible to limit the distance from which information can be extracted from the information means, which can be advantageous, for example, if information means such as signs are densely placed where information from only one information means is desired at a time.
    According to an embodiment of the method, said lighting takes place by means of infrared and / or visible light. Infrared light is less sensitive to interference, while visible light results in simpler and more cost-effective construction.
    According to an embodiment of the method, said sensor means comprises a so-called 3D camera. By using a so-called 3D camera, it is possible to recreate a 3D image of the surroundings to facilitate navigation for driving the vehicle.
    According to an embodiment, the method comprises the step of processing said extracted information by means of an electronic control unit of the vehicle as a basis for the operation of the vehicle. This further improves the navigation for driving the vehicle.
    The embodiments of the system have the same advantages as the corresponding embodiments of the method mentioned above.
    DESCRIPTION OF THE DRAWINGS The present invention will be better understood with reference to the following detailed description read in conjunction with the accompanying drawings, in which like reference numerals refer to like parts throughout the many views, and in which: Fig. 1 schematically illustrates a motor vehicle according to an embodiment of the present invention; invention; Fig. 2 schematically illustrates a block diagram of a system for providing and retrieving information along a vehicle route according to an embodiment of the present invention; Fig. 3 schematically illustrates a front view of an information means arranged for sensing by means of sensor means according to an embodiment of the present invention; Fig. 4 schematically illustrates a side view of an information means arranged for sensing by means of sensor means according to an embodiment of the present invention; Fig. 5 schematically illustrates a perspective view of an information means arranged for sensing by means of sensor means according to an embodiment of the present invention; Fig. 6 schematically illustrates a perspective view of an information means arranged for sensing by means of sensor means according to an embodiment of the present invention; Fig. 7 schematically illustrates a block diagram of a method for providing and retrieving information along a vehicle route according to an embodiment of the present invention; and Fig. 8 schematically illustrates a computer according to an embodiment of the present invention.
    DESCRIPTION OF EMBODIMENTS Here, the term "link" refers to a communication link which may be a physical line, such as an optoelectronic communication line, or a non-physical line, such as a wireless connection, for example a radio or microwave link.
    Here, the term "3D camera" refers to a camera with an active light source, preferably a light source for infrared light, arranged to sense reflected light by means of the light source so as to read depth and determine a 3D image.
    Fig. 1 schematically illustrates a motor vehicle 1 according to an embodiment of the present invention. The exemplary vehicle 1 consists of a heavy vehicle in the form of a truck. Vehicle 1 consists according to a variant of a mining vehicle. Vehicle 1 can alternatively be a bus or a car.
    The vehicle includes a system I for providing and retrieving information along a vehicle route according to the present invention.
    Fig. 2 schematically illustrates a block diagram of a system I for providing and retrieving information along a vehicle route according to an embodiment of the present invention. System 15 I comprises an electronic control unit 100, 200.
    System I includes sensor means 110 for sensing information contained by at least one information means 10; 20; 30; The sensor means 110 is arranged to activate the information means 10 by illumination; 20; 30; 40 and thereby extract activated information from the information means as a basis for the vehicle's progress. the information means 10; 20; 30; 40 comprises at least one reflective surface. The sensor means 110 is arranged to sense said at least one reflecting surface.
    With activation of the information means 10; 20; 30; By illumination by means of the sensor means is meant here that the information means 10; 20; 30; 40 is activated when information can be extracted from the information means 10; 20; 30; By means of the sensor means 110, which is made possible by such illumination of the information means.
    The sensor means 110 may be any suitable sensor means 110 for sensing information contained by such an information means 10; 20; 30; 40. 110 for sensing by so-called time-of-flight technology, ToF, where the sensor means 110 SUFFERS and / or RADAR.
    The sensor means 110 includes any suitable sensor means having the Sensor means 110 includes, according to a variant, sensor means according to a variant comprises camera means, active light L1 for illuminating the information means for activating the same. The sensor means 110 includes any suitable sensor means which is arranged to sense information reflected from a reflected surface by illumination. According to one embodiment, the sensor means 110 comprises means for illuminating by means of infrared light L1. According to one embodiment, the sensor means comprises means for illuminating by means of visible light L1.
    Information at the information body 10; 20; 30; 40 is arranged to be read by means of the sensor means 110, for example a camera means provided with its own active lighting arranged on the vehicle, where the sensor means 110 illuminates the information means with its illumination L1, where the information means 10; 20; 30; 40 is sensitive to this illumination, the light L1 emitted from the sensor means being reflected from the information means, where the sensor means is arranged to read and thereby interpret the light L2 reflected from the information means into relevant information, where the relevant information may for instance include positioning information. a variant a camera means.
    According to one embodiment, the sensor means 110 comprises a so-called 3D camera. the information means 10; 20; 30; 40 may be any suitable information means 10; 20; 30; 40 to provide and retrieve information along a vehicle route. the information means 10; 20; 30; 40 may be any suitable information means 10; 20; 30; Including retrievable information by means of the sensor means 110. the information means 10; 20; 30; According to one embodiment, the vehicle comprises any suitable means for intentionally attracting attention in the form of information to specific position (s) along the route of the vehicle. the information means 10; 20; 30; 40 comprises according to one embodiment one or more signs along the route of the vehicle. the information means 10; 20; 30; 40 comprises according to one embodiment one or more posts along the route of the vehicle. the information means 10; 20; 30; 40 comprises, according to one embodiment, one or more road markings along the route of the vehicle. the information means 10; 20; 30; 40 comprises, according to one embodiment, the road itself, where the road edge can form a basis for information about the extent of the road. the information means 10; 20; 30; 40 comprises reflective surfaces for producing patterns extractable by means of the sensor means 110, according to which the pattern extractable by means of the sensor means 110 comprises a so-called QR code. desired information. one embodiment includes the System I comprising means 100; 200 to vary said desired information by varying patterns of said reflective surfaces. the information means 10; 20; 30; 40 here comprises a variable pattern.
    According to a variant, the information means comprises a first reflective layer and a second layer with a variable pattern. Such a layer consists according to a variant of a so-called electronic shutter layer, a closing / closable layer, which is arranged to make a number of segments of the layer non-reflective, i.e. not permeable to the reflective layer, i.e. so that a contrast difference is created between the reflective and non-reflective pixels so that, for example, a camera can read the pattern thus produced. An example of such an information means is illustrated in Fig. 4.
    System I includes means 100; 200 to vary the pattern of the information means 10 in a controlled manner; 20; 30; 40 to change the desired information.
    Mean 100; 200 for controlling the pattern of the information means 10; 20; 30; 40 includes, according to a variant, an electronic control unit 100; 200 where the control can take place externally by means of an external electronic control unit 200 and / or from the vehicle in question by means of an electronic control unit 100 arranged at the vehicle. The external control unit 200 can be any suitable external control unit including for example a server unit, a mobile telephone, a tablet, a computer or the like, or forming an integral part of the information means 10; 20; 30; Where the electronic control unit 200 could be programmed to change the pattern of the information means according to a predetermined schedule or the like.
    The pattern / image to be displayed at the information means can be achieved based on data from wireless or from another vehicle or built up elsewhere and sent to the information means. the information means 10; 20; 30; 40 comprises, according to a variant, an LCD matrix in which the means 100; 200 to control the pattern at the pixel level controls which pixels are reflective and non-reflective, i.e. blocking, where the control takes place by applying a voltage to an area and the crystals in the pixel changing polarity to let light through for reflection or block light. The principle of an LCD TV is used here.
    System I includes means 100; 200 to vary the extractability of said desired information by varying the reflectability of said reflective surfaces. Accordingly, the degree of reflectivity of the reflecting surfaces is varied in order thus to adapt the distance from which information can be extracted from the information means. the information means 10; 20; 30; in this case a layer where the degree of reflectivity is variable and a second layer with a pattern which may comprise the first reflective being variable or non-variable.
    System I includes means 100; 200 so as to control in a controlled manner the refractability of the information means 10; 20; 30; 40 so as to be able to adjust the distance from which the sensor means 110 can extract information of the information means by illumination for activating information of the information means.
    Mean 100; 200 to control variably the reflectability of the information means 10; 20; 30; 40 includes, according to a variant, an electronic control unit 100; 200 where the control can take place externally by means of an external electronic control unit 200 and / or from the vehicle in question by means of an electronic control unit 100 arranged at the vehicle. The external control unit 200 can be any suitable external control unit including for example a server unit, a mobile telephone, a tablet, a computer or the like, or forming an integral part of the information means 10; 20; 30; Where the electronic control unit 200 could be programmed to change the reflectivity of the information means.
    Consequently, by varying the retrievability, it is possible to limit the distance from which information can be extracted from the information means, which can be advantageous, for example, if information means such as signs are closely located where information from only one information means to the gang is desired.
    The system I comprises according to a variant means 120 for presenting the means 120 for information includes according to a variant means for visual presentation such as information from the information means. to present a display unit for presentation in the form of text, symbol, image reproduction flashing or fixed light or equivalent, and / or means for audio information in the form of spoken information, audible alarms or equivalent, and / or tactile information such as vibration in the steering wheel, driver, brake pedal, accelerator pedal or the like.
    The sensor means 110 is arranged to illuminate the information means 10; 20; 30; Sending light signals L1, according to a variant in the form of infrared light, to the information means 10; 20; 30; 40 for activating the information means 10; 20; 30; 40, reflecting surfaces of the information means 10; 20; 30; 40 reflects the light signals in the form of a reflected signal L2.
    The sensor means 110 is arranged to extractively receive a signal from the information means 10; 20; 30; 40 in the form of the reflected signal L2 representing information data extracted from the information means 10; 20; 30; 40.
    The electronic control unit 100 is signal connected to the sensor means 110 for sensing information comprised by at least one information means 10; 20; 30; Via a link 110a. The electronic control unit 100 is arranged via the link 110a to receive a signal from the sensor means 110 representing information data for extracted information from the information means 10; 20; 30; 40 as a basis for the vehicle's progress.
    The electronic control unit 100 is signal connected to the means 120 for presenting information from the information means 10; 20; 30; 40 via a link 120a. The electronic control unit 100 is arranged via the link 120a to send a signal to the means for presenting information representing information data for extracted information from the information means as a basis for the progress of the vehicle.
    The electronic control unit 100, i.e. the electronic control unit 100 arranged internally of the vehicle, is according to a variant signal-connected to the information means 10; 20; 30; To vary said desired information by varying patterns of said reflective surfaces of the information means 10; 20; 30; 40 via a link 100a. The electronic control unit 100 is arranged via the link 100a to send a signal to the information means 10; 20; 30; Representing data for the desired pattern of desired extractable information of the information means 10; 20; 30; 40.
    The electronic control unit 200, i.e. the external electronic control unit 200, is according to a variant signal-connected to the information means 10; 20; 30; To vary said desired information by varying patterns of said reflective surfaces of the information means 10; 20; 30; 40 via a link 200a. The electronic control unit 200 is arranged via the link 200a to send a signal to the information means 10; 20; 30; Representing data desired extractable information of for desired pattern of information means 10; 20; 30; 40.
    The electronic control unit 100, i.e. the electronic control unit 100 arranged internally of the vehicle, is according to a variant signal-connected to the information means 10; 20; 30; To vary the extractability of said desired information by varying the reflectability of said reflecting surfaces of the information means 10; 20; 30; 40 via a link 100a. The electronic control unit 100 is arranged via the link 100a to send a signal to the information means 10; 20; 30; 40 representative data for the desired reflectability, i.e. desired degree of reflection, of the reflective layer.
    The electronic control unit 200, i.e. the external electronic control unit 200, is according to a variant signal-connected to the information means 10; 20; 30; To vary said desired information by varying the extractability of said desired information by varying the reflectability of said reflecting surfaces of the information means 10; 20; 30; 40 via a link 200a. The electronic control unit 200 is arranged via the link 200a to send a signal to the information means 10; 20; 30; representative data for the desired reflectability, ie. desired degree of reflection, of the reflective layer.
    Fig. 3 schematically illustrates a front view of an information means 10 arranged for sensing by means of sensor means according to an embodiment of the present invention. the information means 10 according to Fig. 3 shows reflective surfaces / segments RS and non-reflective surfaces / segments BS forming a pattern comprising desired information extractable by means of the sensor means. The information in the form of the pattern with surfaces / segments RS, BS consists according to an embodiment of a so-called QR code. Such a pattern can be accomplished in any suitable manner. According to a variant, a sticker with information in the form of the desired pattern is applied to a surface enclosed by the information means 10, where the pattern according to a variant consists of a so-called QR code.
    According to one embodiment, the pattern is variable so as to be able to vary the information, for example in accordance with what is described in connection with Fig. 4.
    An information means 10 with a variable pattern here comprises means for varying the information by varying the pattern. Such a means for the pattern being variant arranged to extinguish varies according to an information means 10 by extinguishing the reflecting surfaces / segments RS. According to a variant, the information means 10 includes identification means 15 for identifying the same, so as to be able to determine that an information means is located along the route of the vehicle even when it is inactive and no information is extractable from the information means 10. The identification means 15 comprises according to a variant reflecting surface, where the reflecting surface according to an embodiment consists of a circumferential frame 15 which can be sensed by the sensor means, whereby the distance to the information means 10, for example a sign along the route of the vehicle, can be determined.
    Fig. 4 schematically illustrates a side view of an information means 20 arranged for sensing by means of sensor means according to an embodiment of the present invention. the information means 20 according to this embodiment is arranged to be supported by means of a support means 5. The support means 5 can be constituted by any suitable means for supporting the information means such as a road stick / post for supporting an information means in the form of marker / sign. the information means 20 according to this embodiment comprises a first light-transmitting layer 22 and a second electronically closable layer 24 arranged outside the first layer 22, so-called electronically shutter layer 24. The second layer 24 is in this case constituted by a layer 24 where the pattern is variable.
    The pattern of the second layer is arranged to be varied by means of control means, for example by applying voltage to segments RS, BS so as to control which segments RS are to transmit light from the sensor means so that the light is reflected towards the surface of the reflecting first layer. 22 and which segments BS are not to transmit light so that the desired information can thereby be extracted by means of the sensor means. Accordingly, certain segments RS are activated in order to let light through so that it is allowed to reflect and deactivate certain segments BS so that light is blocked, by means of which a certain desired information in this case is extractable SenSOfmedlet.
    In this case, the information means 20 receives light L1 from the sensor means, the incoming light being passed through the light-transmitting segments / surfaces RS so that the light is reflected towards the reflecting layer 22 in the form of reflected light L2 for sensing by the sensor means so as to determining information extracted from the information means 20.
    The reflective layer 22 may be any suitable reflective layer such as a mirror surface layer. The reflective layer 22 is adapted to the signal carrier / light.
    Fig. 5 schematically illustrates a perspective view of an information means 30 arranged for sensing by means of sensor means according to an embodiment of the present invention. According to this embodiment, the information means 30 comprises a first reflective layer 32 and a second layer 34 arranged externally to the first layer 32. The second layer 34 may consist of a layer with non-variable pattern in the form of surfaces / segments RS, BS, where certain surfaces / segments segments RS are light transmissive and certain surfaces / segments BS are light blocking so that information is extractable by the sensor means by illuminating the information means 30 and sensing reflected light. Such a layer with a non-variable pattern is according to a variant replaceable. The second layer could also consist of a layer with a variable pattern.
    Fig. 6 schematically illustrates a perspective view of an information means 40 arranged for sensing by means of sensor means according to an embodiment of the present invention. The information means 40 according to this embodiment comprises a single layer 42 with non-variable pattern in the form of surfaces / segments RS, BS, where certain surfaces / segments RS are light-reflecting and certain surfaces / segments BS are light-blocking so that information is extractable by the sensor means by illuminating The information means 40 and sensing of reflected light.
    An information device with only one layer enables a more compact construction. According to a variant, such an information means 40 is with only one layer with a variable pattern where the segment of the layer can be switched between reflective and non-reflective, i.e. the segment / point has two states, which according to a variant are achieved by means of some form of voltage difference or mechanical influence / energy influence. According to a variant, such an information means 40 with only one layer comprises a mechanical construction where a segment / point is rotatable about its own axis where one side is reflective and the other is non-reflective of the light signal / signal carrier. According to a variant of the present invention, the pattern is of the information means according to one or more of the embodiments described with reference to Figs. 3, 4, 5 and 6 and / or of information means according to a further embodiment three-dimensional with greater possibility for storing data / information.
    Fig. 7 schematically shows a block diagram of a method for providing and retrieving information along a vehicle route according to an embodiment of the present invention.
    According to one embodiment, the method for providing and obtaining information along a vehicle route comprises a first step S1. In this step, information contained by at least one sensor means is sensed by information means.
    According to one embodiment, the method for providing and obtaining information along a vehicle route comprises a second step S2. In this step, by means of the sensor means mentioned by lighting means information means are activated.
    According to one embodiment, the method for providing and obtaining information along a vehicle route comprises a third step S3. In this step, activated information is extracted from said information means as a basis for the vehicle's progress, said information means comprising at least one reflecting surface which is sensed by means of said sensor means. Referring to Fig. 8, there is shown a diagram of an embodiment of a device 500. The controller 100 described with reference to Fig. 2 may in one embodiment include the device 500. The device 500 includes a non-volatile memory. 520, a data processing unit 510 and a read / write memory 550.
    The non-volatile memory 520 has a first memory portion 530 in which a computer program, such as an operating system, is stored to control the operation of the device 500. Furthermore, the device 500 comprises a bus controller, a serial communication port, I / O means, a A / D converter, a time and date input and transfer unit, an event counter and an interrupt controller (not shown). The non-volatile memory 520 also has a second memory portion 540.
    A computer program P is provided which includes routines for providing and retrieving information along a vehicle route according to the innovative method. The program P comprises routines for sensing information contained by at least one information means by means of sensor means. The program P comprises routines for activating said information means by means of the sensor means by illumination.
    The program P comprises routines for extracting activated information of said information means as a basis for the vehicle's progress by means of the sensor means, said information means comprising at least one reflecting surface which is sensed by means of said sensor means.
    The program P can be stored in an executable manner or in a compressed manner in a memory 560 and / or in a read / write memory 550.
    When it is described that the data processing unit 510 performs a certain function, it is to be understood that the data processing unit 510 performs a certain part of the program which is stored in the memory 560, or a certain part of the program which is stored in the read / write memory 550.
    The data processing device 510 can communicate with a data port 599 via a data bus 515. The non-volatile memory 520 is intended for communication with the data processing unit 510 via a data bus 512. The separate memory 10 15 20 25 30 17 560 is intended to communicate with the data processing unit 510 via a data bus 511. the data processing unit 510 via a data bus 514. To the data port 599 the read / write memory 550 is arranged to communicate with e.g. the links connected to the control units 200; 300 connected.
    When data is received on the data port 599, it is temporarily stored in the second memory part 540. Once the received input data has been temporarily stored, the data processing unit 510 is ready to perform code execution in a manner described above. The received signals on the data port 599 can be used by the device 500 to activate said information means by means of the sensor means by illumination. The received signals on the data port 599 can be used by the device 500 to activate said information means by means of the sensor means by illumination. The received signals on the data port 599 can be used by the device 500 to extract by means of the sensor means activated information of said information means as a basis for the progress of the vehicle, said information means comprising at least one reflecting surface which is sensed by said sensor means.
    Parts of the methods described herein may be performed by the device 500 by means of the data processing unit 510 running the program stored in the memory 560 or the read / write memory 550. When the device 500 runs the program, the methods described herein are executed.
    The above description of the preferred embodiments of the present invention has been provided for illustrative and descriptive purposes. It is not intended to be exhaustive or to limit the invention to the variations described. Obviously, many modifications and variations will occur to those skilled in the art. The embodiments have been selected and described to best explain the principles of the invention and its practical applications, thereby enabling one skilled in the art to understand the invention for various embodiments and with the various modifications appropriate to the intended use.
    权利要求:
    Claims (19)
    [1]
    A method for providing and retrieving information along a vehicle route, comprising the step of sensing (S1) by means of sensor means (110) information comprising at least one information means (10; 20; 30; 40), characterized by the steps of: - by means of the sensor means (110) activating (S2) said information means (10; 20; 30; 40) by illumination and - by means of the sensor means (110) extracting (S3) thereby activated information of said information means (10; 20; 30; 40) as a basis for the vehicle advance, said information means (10; 20; 30; 40) comprising at least one reflective surface which is sensed by said sensor means (110).
    [2]
    A method according to claim 1, comprising the step of producing by means of reflective surfaces (RS) of said information means (10; 20; 30; 40) patterns extractable by means of the sensor means (110) comprising desired information.
    [3]
    The method of claim 2, comprising the step of varying said desired information by varying patterns of said reflective surfaces (RS).
    [4]
    The method of claim 3, comprising the step of controllingly varying said pattern to change said desired information.
    [5]
    A method according to any one of claims 2-4, comprising the step of varying the extractability of said desired information by varying the reflectability of said reflective surfaces (RS).
    [6]
    A method according to any one of claims 1-5, wherein said illumination takes place by means of infrared and / or visible light.
    [7]
    A method according to any one of claims 1-6, wherein said sensor means (110) comprises a so-called 3D camera. 10 15 20 25 19
    [8]
    A method according to any one of claims 1-7, comprising the step of processing said extracted information by means of an electronic control unit (100) of the vehicle as a basis for the driving of the vehicle.
    [9]
    A system (I) for providing and retrieving information along a route of a vehicle (1), comprising sensor means (110) for sensing information comprised by at least one information means (10; 20; 30; 40), characterized in that the sensor means (110 ) is arranged to activate said information means (10; 20; 30; 40) by illumination and thereby extract activated information of said information means (10; 20; 30; 40) as a basis for the vehicle's progress, said information means (10; 20; 30 ; 40) comprises at least one reflective surface (RS) which is arranged to be sensed by means of said sensor means (110).
    [10]
    The system of claim 9, wherein said information means (10; 20; 30; 40) comprises reflective surfaces (RS) to provide by the sensor means extractable patterns comprising desired information.
    [11]
    The system of claim 10, comprising means (100; 200; 10; 20; 30; 40) for varying said desired information by varying patterns of said reflective surfaces (RS).
    [12]
    The system of claim 11, comprising means (100; 200; 10; 20; 30) for controlling said pattern to change said desired information.
    [13]
    A system according to any one of claims 9-12, comprising means for varying the extractability of said desired information by varying the reflectability of said reflecting surfaces (RS).
    [14]
    A system according to any one of claims 9-13, wherein said sensor means (110) comprises means for illuminating by infrared and / or visible light (L1).
    [15]
    A system according to any one of claims 9-14, wherein said sensor means (110) comprises a so-called 3D camera. 10 20
    [16]
    A system according to any one of claims 9-15, comprising an electronic control unit (100) of the vehicle arranged to process said extracted information as a basis for the operation of the vehicle.
    [17]
    Motor vehicle comprising a system (I) according to any one of claims 9-16.
    [18]
    A computer program (P) for providing and retrieving information along a vehicle route, said computer program (P) comprising program code which, when run by an electronic control unit (100) or another computer (500) connected to the electronic control unit ( 100), the electronic control unit is capable of performing the steps according to claims 1-8.
    [19]
    A computer program product comprising a digital storage medium that stores the computer program according to claim 18.
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    同族专利:
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    EP2916263A2|2015-09-09|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US8174374B2|2009-06-30|2012-05-08|Mitsubishi Electric Research Laboratories, Inc.|Method and system for coding digital information in lane markings using an optical sensor|
    US8849508B2|2011-03-28|2014-09-30|Tk Holdings Inc.|Driver assistance system and method|
    EP2712373B1|2011-05-09|2017-03-01|Sentient Sweden Ekonomisk Förening|Road information provision device and method providing enhanced safety|
    CN104094330B|2012-02-03|2016-06-29|大陆-特韦斯贸易合伙股份公司及两合公司|For highlighting the application of the signal recurring structure of object in road traffic, system and method and systematic difference and signal recurring structure|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1450233A|SE539168C2|2014-03-03|2014-03-03|Procedures and systems for providing and gathering information along a vehicle's route|SE1450233A| SE539168C2|2014-03-03|2014-03-03|Procedures and systems for providing and gathering information along a vehicle's route|
    EP15157273.2A| EP2916263A3|2014-03-03|2015-03-03|Method and system for providing and obtaining information along a vehicles track|
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