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Motor vehicle laser radar protection device

A technology of laser radar and motor vehicles, which is applied in the directions of vehicle components, vehicle safety arrangements, electromagnetic wave re-radiation, etc., can solve the problems of weakening laser radar transmission, etc., and achieve the effect of ensuring aesthetic continuity

Pending Publication Date: 2020-12-22
CO PLASTIC OMNIUM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the second case, depending on the properties of the plastic material forming the occlusion, a plastic occlusion without special treatment will more or less attenuate the transmission of the lidar waves

Method used

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  • Motor vehicle laser radar protection device
  • Motor vehicle laser radar protection device
  • Motor vehicle laser radar protection device

Examples

Experimental program
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Embodiment Construction

[0024] Refer to the following Figures 1 to 3 To illustrate the present invention.

[0025] figure 1 A non-limiting example is shown of a protective device for protecting a lidar 2 seated on the front face of a vehicle 3 , which is also referred to as a radome 1 or a lidar. In this example, a lidar 2 is arranged behind the radome 1 , so that electromagnetic waves (light in visible light, infrared or ultraviolet spectrum) emitted or received by the lidar 2 pass through the radome 1 . Those skilled in the art will understand that, according to its function, the lidar 2 can be installed in other positions of the vehicle, such as the rear face.

[0026] figure 2 A radome 1A for protecting a laser radar 2 according to a first embodiment of the invention is schematically shown in side view. The radome 1A comprises a wall 11 having an outer face 13 and an inner face 12 facing the LIDAR 2 in the position of use of the radome 1 . The exterior face 13 is visible from the outside a...

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Abstract

The invention relates to a motor vehicle laser radar (2) protection device (1A, 1B) comprising a wall (11) through which waves emitted by a laser radar (2) pass, which is characterized in that the wall (11) comprises at least one anti-reflection cover (14, 15) capable of limiting the reflection of the waves of the laser radar (2) on the wall (11).

Description

technical field [0001] The present invention relates to the field of motor vehicles equipped with lidars, and more particularly to the field of devices (also called "radomes" or "lidars") for obscuring and protecting such lidars. In the remainder of this specification, the word "radome" is used as a synonym for "protective equipment". Background technique [0002] Laser remote sensing detection is LiDAR (the acronym for Light Detection and Ranging in English) or LaDAR (the acronym for Laser Detection and Ranging in English) or Laser Radar is a remote sensing system based on the analysis of the characteristics of the beam returning to the beam transmitter. measurement technology. In the following, the term "LiDAR" is used to denote a LiDAR-type device. [0003] Unlike radar, which uses radio waves, or sonar, which uses sound waves, lidar uses light (visible, infrared or ultraviolet spectrum). This light almost always comes from a laser and is therefore coherent. As an una...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S7/481
CPCG01S7/4813B60R19/483B60R2019/525G01S17/931
Inventor 尤奈斯·卡达哈
Owner CO PLASTIC OMNIUM
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