公开(公告)号：US20240385292A1

公开(公告)日：2024-11-21

申请号：US18198729

申请日：2023-05-17

Applicant: Luminar Technologies, Inc.

Inventor： James Chester Sanders, III ,  Istvan Peter Burbank ,  Christopher Gary Sentelle

IPC: G01S7/48 ,  G01S7/481 ,  G01S17/10

Abstract: A system comprises a light source, a receiver, and a processor. The light source is configured to generate an emitted pulse of light. The receiver is configured to detect at least a portion of the emitted pulse of light scattered by an external target and provide a plurality of different measurement signals for the detected emitted pulse of light. The processor is configured to analyze the plurality of different measurement signals to identify the plurality of different measurement signals as corresponding to the same external target and combine the identified plurality of different measurement signals to determine a measurement for the external target.

公开(公告)号：US20240168142A1

公开(公告)日：2024-05-23

申请号：US17993372

申请日：2022-11-23

Applicant: Luminar Technologies, Inc.

Inventor： Stephen L. Mielke ,  Julio Cesar Castaneda ,  Aseem D. Patil ,  Christopher Gary Sentelle

IPC: G01S7/497 ,  G01S7/481 ,  G01S17/89 ,  G01S17/931

CPC classification number: G01S7/497 ,  G01S7/4817 ,  G01S17/89 ,  G01S17/931

Abstract: A system comprises a light source, a scanner, a reference reflectivity material, a detector, and a processor. The light source is configured to emit light, and the scanner is configured to scan the emitted light across at least a portion of a reachable region including a field of regard through a window. The reference reflectivity material is included internally within a housing of the system and located in the reachable region but outside the field of regard. The detector is configured to detect at least a portion of the emitted light scattered by the reference reflectivity material. The processor is configured to analyze detected information from the detector to determine an electrical property of the emitted light.

公开(公告)号：US20240175996A1

公开(公告)日：2024-05-30

申请号：US18070177

申请日：2022-11-28

Applicant: Luminar Technologies, Inc.

Inventor： Joseph G. LaChapelle ,  Zachary Ronald Dylan Thomas Bush ,  Christopher Gary Sentelle

IPC: G01S7/4865 ,  G01S7/481 ,  G01S17/89 ,  G01S17/931

CPC classification number: G01S7/4865 ,  G01S7/4814 ,  G01S7/4817 ,  G01S17/89 ,  G01S17/931

Abstract: A system includes one or more light sources configured to transmit at least a first light pulse encoding and a second light pulse encoding. The system also includes one or more detectors configured to detect a received light signal. The system further includes one or more processors configured to: determine a derivative data of the detected received light signal including by computing a derivative based on the detected received light signal, correlate the derivative data with at least a first reference data corresponding to the first light pulse encoding and a second reference data corresponding to the second light pulse encoding to determine a correlation result, and use the correlation result to identify which transmitted light pulse encoding corresponds to the received light signal.

公开(公告)号：US11971484B2

公开(公告)日：2024-04-30

申请号：US17896603

申请日：2022-08-26

Applicant: Luminar Technologies, Inc.

Inventor： David L. Paulsen ,  Christopher Gary Sentelle ,  Zachary Heylmun ,  Matthew Hansen

IPC: G01S17/10 ,  G01S7/48 ,  G01S7/481 ,  G01S7/486 ,  G01S7/4861 ,  G01S17/89

CPC classification number: G01S17/10 ,  G01S7/4808 ,  G01S7/481 ,  G01S7/486 ,  G01S7/4861 ,  G01S17/89

Abstract: In one embodiment, a lidar system includes a light source configured to emit optical pulses using multiple pulse intervals (PIs) that include a first PI and a second PI, where the first PI and the second PI are not equal. The lidar system also includes a receiver configured to detect multiple input optical pulses. The lidar system further includes a processor configured to generate multiple pixels, where each pixel of the multiple pixels corresponds to one of the multiple input optical pulses and is associated with one of the PIs. The processor is further configured to (i) determine, for a particular pixel of the multiple pixels, a group of nearby pixels and (ii) determine whether the particular pixel is range-wrapped based at least in part on the PI associated with each pixel of the group of nearby pixels.

公开(公告)号：US10571570B1

公开(公告)日：2020-02-25

申请号：US16456622

申请日：2019-06-28

Applicant: Luminar Technologies, Inc.

Inventor： David L. Paulsen ,  Christopher Gary Sentelle ,  Zachary Heylmun ,  Matthew Hansen

IPC: G01C3/08 ,  G01S17/10 ,  G01S17/89 ,  G01S7/481 ,  G01S7/4861 ,  G01S7/48

Abstract: In one embodiment, a method includes emitting, by a light source of a lidar system, multiple optical pulses using multiple alternating pulse repetition intervals (PRIs) that include a first PRI and a second PRI, where the first PRI and the second PRI are not equal. The method also includes detecting, by a receiver of the lidar system, multiple input optical pulses and generating, by a processor of the lidar system, multiple pixels. Each pixel of the multiple pixels corresponds to one of the input optical pulses, and each pixel includes a PRI associated with a most recently emitted optical pulse of the multiple optical pulses. The method also includes determining a group of neighboring pixels for a particular pixel of the multiple pixels and determining whether the particular pixel is range-wrapped based at least in part on the PRI associated with each pixel of the group of neighboring pixels.