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1. WO2019057865 - LASER SCANNER, FOR EXAMPLE, FOR A LIDAR SYSTEM OF A DRIVER ASSISTANCE SYSTEM

Publication Number WO/2019/057865
Publication Date 28.03.2019
International Application No. PCT/EP2018/075549
International Filing Date 21.09.2018
IPC
G01S 17/42 2006.01
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
02Systems using the reflection of electromagnetic waves other than radio waves
06Systems determining position data of a target
42Simultaneous measurement of distance and other coordinates
G01S 17/93 2006.01
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
88Lidar systems, specially adapted for specific applications
93for anti-collision purposes
G01S 7/481 2006.01
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7Details of systems according to groups G01S13/, G01S15/, G01S17/127
48of systems according to group G01S17/58
481Constructional features, e.g. arrangements of optical elements
G02B 26/08 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
26Optical devices or arrangements using movable or deformable optical elements for controlling the intensity, colour, phase, polarisation or direction of light, e.g. switching, gating or modulating
08for controlling the direction of light
G02B 26/10 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
26Optical devices or arrangements using movable or deformable optical elements for controlling the intensity, colour, phase, polarisation or direction of light, e.g. switching, gating or modulating
08for controlling the direction of light
10Scanning systems
CPC
G01S 17/42
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
02Systems using the reflection of electromagnetic waves other than radio waves
06Systems determining position data of a target
42Simultaneous measurement of distance and other co-ordinates
G01S 17/931
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
17Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
88Lidar systems specially adapted for specific applications
93for anti-collision purposes
931of land vehicles
G01S 7/4811
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
48of systems according to group G01S17/00
481Constructional features, e.g. arrangements of optical elements
4811common to transmitter and receiver
G01S 7/4817
GPHYSICS
01MEASURING; TESTING
SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
7Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
48of systems according to group G01S17/00
481Constructional features, e.g. arrangements of optical elements
4817relating to scanning
G02B 26/0816
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
26Optical devices or arrangements using movable or deformable optical elements for controlling the intensity, colour, phase, polarisation or direction of light, e.g. switching, gating, modulating
08for controlling the direction of light
0816by means of one or more reflecting elements
G02B 26/105
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
26Optical devices or arrangements using movable or deformable optical elements for controlling the intensity, colour, phase, polarisation or direction of light, e.g. switching, gating, modulating
08for controlling the direction of light
10Scanning systems
105with one or more pivoting mirrors or galvano-mirrors
Applicants
  • ROBERT BOSCH GMBH [DE]/[DE]
Inventors
  • HASSELBACH, Juergen
  • GREINER, Alexander
Priority Data
10 2017 216 826.922.09.2017DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) LASERSCANNER BEISPIELSWEISE FÜR EIN LIDAR-SYSTEM EINES FAHRERASSISTENZSYSTEMS
(EN) LASER SCANNER, FOR EXAMPLE, FOR A LIDAR SYSTEM OF A DRIVER ASSISTANCE SYSTEM
(FR) SCANNER LASER PAR EXEMPLE POUR UN SYSTÈME LIDAR D'UN SYSTÈME D'AIDE À LA CONDUITE
Abstract
(DE)
Die vorliegende Erfindung betrifft einen Laserscanner (100), mit einem Sendepfad (102) und einem von dem Sendepfad (102) zumindest bereichsweise räumlich getrennten Empfangspfad (104), der dadurch gekennzeichnet ist, dass der Sendepfad (102) und der Empfangspfad (104) auf entgegengesetzte Seiten (128, 130) eines winkelbeweglichen Ablenkspiegels (112) des Laserscanners (100) treffen, wobei eine Winkelstellung (118) des Ablenkspiegels (112) im Sendepfad (102) einen Scanwinkel (120) eines Laserlichts des Laserscanners (100) definiert und die Winkelstellung (118) im Empfangspfad (104) einen Einfallswinkel (126) einer Reflexion des Laserlichts kompensiert.
(EN)
The invention relates to a laser scanner (100) comprising a transmitter path (102) and a receiver path (104) that is spatially separated at least in regions from the transmitter path (102), characterised in that the transmission path (102) and the receiver path (104) meet on opposite sides (128, 130) of an angularly movable deflecting mirror (112) of the laser scanner (100). An angular position (118) of the deflection mirror (112) in the transmission path (102) defines a scan angle (120) of a laser light of the laser scanner (100) and the angular position (118) in the receiver path (104) compensates an incident angle (126) of a reflection of the laser light.
(FR)
La présente invention concerne un scanner laser (100) comprenant un chemin d'émission (102) et un chemin de réception (104) séparé spatialement au moins par endroits du chemin d'émission (102). L’invention est caractérisée en ce que le chemin d'émission (102) et le chemin de réception (104) aboutissent sur des côtés opposés (128, 130) d'un miroir de déviation (112) à mobilité angulaire du scanner laser (100), une position angulaire (118) du miroir de déviation (112) dans le chemin d'émission (102) définissant un angle de balayage (120) d'une lumière laser (100) du scanner laser (100) et la position angulaire (118) dans le chemin de réception (104) compensant un angle d'incidence (126) d'une réflexion de la lumière laser.
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