COMPACT LIDAR DESIGN WITH HIGH RESOLUTION AND ULTRA-WIDE FIELD OF VIEW

    公开(公告)号:US20230266443A1

    公开(公告)日:2023-08-24

    申请号:US18141961

    申请日:2023-05-01

    CPC classification number: G01S7/4817 G01S7/4865 G01S7/4813 G01S17/931

    Abstract: A compact LiDAR device is provided. The compact LiDAR device includes a first mirror disposed to receive one or more light beams and a polygon mirror optically coupled to the first mirror. The polygon mirror comprises a plurality of reflective facets. For at least two of the plurality of reflective facets, each reflective facet is arranged such that: a first edge, a second edge, and a third edge of the reflective facet correspond to a first line, a second line, and a third line; the first line and the second line intersect to form a first internal angle of a plane comprising the reflective facet; and the first line and the third line intersect to form a second internal angle of the plane comprising the reflective facet. The first internal angle is an acute angle; and the second internal angle is an obtuse angle.

    COMPACT LIDAR SYSTEMS FOR VEHICLE CONTOUR FITTING

    公开(公告)号:US20230007853A1

    公开(公告)日:2023-01-12

    申请号:US17856910

    申请日:2022-07-01

    Abstract: An apparatus of a light detection and ranging (LiDAR) scanning system for at least partial integration with a vehicle is disclosed. The apparatus comprises an optical core assembly including an oscillating reflective element, an optical polygon element, and transmitting and collection optics. The apparatus includes a first exterior surface at least partially bounded by at least a first portion of a vehicle roof or at least a portion of a vehicle windshield. A surface profile of the first exterior surface aligns with a surface profile associated with at least one of the first portion of the vehicle roof or the portion of the vehicle windshield. A combination of the first exterior surface and the one or more additional exterior surfaces form a housing enclosing the optical core assembly including the oscillating reflective element, the optical polygon element, and the transmitting and collection optics.

    LASER SOURCE WITH MULTIPLE SEEDS FOR LIDAR
    3.
    发明公开

    公开(公告)号:US20240134044A1

    公开(公告)日:2024-04-25

    申请号:US18383426

    申请日:2023-10-23

    CPC classification number: G01S17/10 G01S7/4817 G01S17/931

    Abstract: A laser device for providing light to a LiDAR system comprises a plurality of seed lasers configured to provide multiple seed light beams, at least two of the seed light beams having different wavelengths. An amplifier is optically coupled to the plurality of seed lasers to receive the multiple seed light beams. A power pump is configured to provide pump power to the amplifier, where the amplifier amplifies the multiple seed light beams using the pump power to obtain amplified light beams. A second light coupling unit is configured to demultiplex the amplified light beams to obtain a plurality of output light beams, at least two of the output light beams having wavelengths corresponding to the wavelengths of the at least two seed light beams.

    COMPACT LIDAR SYSTEMS FOR DETECTING OBJECTS IN BLIND-SPOT AREAS

    公开(公告)号:US20230136272A1

    公开(公告)日:2023-05-04

    申请号:US17975539

    申请日:2022-10-27

    Abstract: A light detection and ranging (LiDAR) system for detecting objects in blind-spot areas is provided. The system comprises a housing, a scanning-based LiDAR assembly disposed in the housing, and a non-scanning-based LiDAR assembly also disposed in the housing. The scanning-based LiDAR assembly is configured to scan a plurality of light beams to illuminate a first field-of-view (FOV). The non-scanning-based LiDAR assembly is configured to transmit laser light to illuminate a second FOV without scanning. The scanning-based LiDAR assembly's detection distance range extends beyond the detection distance range of the non-scanning-based LiDAR assembly.

    Systems and apparatuses for mitigating LiDAR noise, vibration, and harshness

    公开(公告)号:US11624806B2

    公开(公告)日:2023-04-11

    申请号:US17742379

    申请日:2022-05-11

    Abstract: An isolation system for a light detection and ranging (LiDAR) optical core assembly is provided. The LiDAR optical core assembly comprises a polygon-motor rotating element, an oscillating reflective element, and transmitting and collection optics. The isolation system comprises a polygon-motor base element coupled to the polygon-motor rotating element and a plurality of isolators substantially fixed to the polygon-motor base element and disposed relative to each other around a spatial location determined based on a center of gravity of at least one of the optical core assembly and the polygon-motor rotating element. The plurality of isolators is adapted to mitigate acoustic noise caused by at least the polygon-motor rotating element during operation of the optical core assembly.

    SYSTEMS AND APPARATUSES FOR MITIGATING LIDAR NOISE, VIBRATION, AND HARSHNESS

    公开(公告)号:US20220365176A1

    公开(公告)日:2022-11-17

    申请号:US17742379

    申请日:2022-05-11

    Abstract: An isolation system for a light detection and ranging (LiDAR) optical core assembly is provided. The LiDAR optical core assembly comprises a polygon-motor rotating element, an oscillating reflective element, and transmitting and collection optics. The isolation system comprises a polygon-motor base element coupled to the polygon-motor rotating element and a plurality of isolators substantially fixed to the polygon-motor base element and disposed relative to each other around a spatial location determined based on a center of gravity of at least one of the optical core assembly and the polygon-motor rotating element. The plurality of isolators is adapted to mitigate acoustic noise caused by at least the polygon-motor rotating element during operation of the optical core assembly.

    Compact LiDAR design with high resolution and ultra-wide field of view

    公开(公告)号:US12072447B2

    公开(公告)日:2024-08-27

    申请号:US18141961

    申请日:2023-05-01

    CPC classification number: G01S7/4817 G01S7/4813 G01S7/4865 G01S17/931

    Abstract: A compact LiDAR device is provided. The compact LiDAR device includes a first mirror disposed to receive one or more light beams and a polygon mirror optically coupled to the first mirror. The polygon mirror comprises a plurality of reflective facets. For at least two of the plurality of reflective facets, each reflective facet is arranged such that: a first edge, a second edge, and a third edge of the reflective facet correspond to a first line, a second line, and a third line; the first line and the second line intersect to form a first internal angle of a plane comprising the reflective facet; and the first line and the third line intersect to form a second internal angle of the plane comprising the reflective facet. The first internal angle is an acute angle; and the second internal angle is an obtuse angle.

    Compact lidar systems for vehicle contour fitting

    公开(公告)号:US11768294B2

    公开(公告)日:2023-09-26

    申请号:US17856910

    申请日:2022-07-01

    CPC classification number: G01S17/931 G01S7/4814 G01S7/4817 G01S17/89

    Abstract: An apparatus of a light detection and ranging (LiDAR) scanning system for at least partial integration with a vehicle is disclosed. The apparatus comprises an optical core assembly including an oscillating reflective element, an optical polygon element, and transmitting and collection optics. The apparatus includes a first exterior surface at least partially bounded by at least a first portion of a vehicle roof or at least a portion of a vehicle windshield. A surface profile of the first exterior surface aligns with a surface profile associated with at least one of the first portion of the vehicle roof or the portion of the vehicle windshield. A combination of the first exterior surface and the one or more additional exterior surfaces form a housing enclosing the optical core assembly including the oscillating reflective element, the optical polygon element, and the transmitting and collection optics.

    Compact LiDAR design with high resolution and ultra-wide field of view

    公开(公告)号:US11662439B2

    公开(公告)日:2023-05-30

    申请号:US17723270

    申请日:2022-04-18

    CPC classification number: G01S7/4817 G01S7/4813 G01S7/4865 G01S17/931

    Abstract: A compact LiDAR device is provided. The compact LiDAR device includes a first mirror disposed to receive one or more light beams and a polygon mirror optically coupled to the first mirror. The polygon mirror comprises a plurality of reflective facets. For at least two of the plurality of reflective facets, each reflective facet is arranged such that: a first edge, a second edge, and a third edge of the reflective facet correspond to a first line, a second line, and a third line; the first line and the second line intersect to form a first internal angle of a plane comprising the reflective facet; and the first line and the third line intersect to form a second internal angle of the plane comprising the reflective facet. The first internal angle is an acute angle; and the second internal angle is an obtuse angle.

    WOBBLE ADJUSTMENT CAPABILITY FOR POLYGON MIRRORS

    公开(公告)号:US20230152428A1

    公开(公告)日:2023-05-18

    申请号:US17986820

    申请日:2022-11-14

    CPC classification number: G01S7/4817 G01S17/931

    Abstract: A motorized optical scanner device of a Light Detection and Ranging (LiDAR) scanning system used in a motor vehicle is disclosed. The motorized optical scanner device comprises a glass-based optical reflector including a plurality of reflective surfaces and a flange. The rotatable optical reflector device further comprises an adjustment ring and a metal-based motor rotor body at least partially disposed in an inner opening of the glass-based optical reflector. The flange extends from an inner sidewall of the glass-based optical reflector towards the metal-based motor rotor body. The flange includes a first mounting surface that is in contact with the adjustment ring. The motorized optical scanner device further comprises a plurality of fastening mechanisms. The plurality of fastening mechanisms facilitates applying adjustment forces to the adjustment ring to reduce wobble associated with rotation of the glass-based optical reflector.

Patent Agency Ranking