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公开(公告)号：WO2018152201A1
公开(公告)日：2018-08-23
申请号：PCT/US2018/018179
申请日：2018-02-14
Applicant: AEYE, INC.
Inventor： DUSSAN, Luis , STEINHARDT, Allan , COOK, David , LACORTE, Blair
Abstract: Disclosed herein are a number of example embodiments that employ controllable delays between successive ladar pulses in order to discriminate between "own" ladar pulse reflections and "interfering" ladar pulses reflections by a receiver. Example embodiments include designs where a sparse delay sum circuit is used at the receiver and where a funnel filter is used at the receiver. Also, disclosed are techniques for selecting codes to use for the controllable delays as well as techniques for identifying and tracking interfering ladar pulses and their corresponding delay codes. The use of a ladar system with pulse deconfliction is also disclosed as part of an optical data communication system.
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公开(公告)号：WO2017143217A1
公开(公告)日：2017-08-24
申请号：PCT/US2017/018415
申请日：2017-02-17
Applicant: AEYE, INC.
Inventor： DUSSAN, Luis , STEINHARDT, Allan , COOK, David
CPC classification number: G01S17/89 , G01S7/4813 , G01S7/4814 , G01S7/4816 , G01S7/4817 , G01S7/4818 , G01S7/4863 , G01S7/4865 , G01S7/487 , G01S7/4876 , G01S17/10 , G01S17/102 , G01S17/42 , G01S17/66
Abstract: Disclosed herein are various embodiment of an adaptive ladar receiver and associated method whereby the active pixels in a photodetector array used for reception of ladar pulse returns can be adaptively controlled based at least in part on where the ladar pulses were targeted. Additional embodiments disclose improved imaging optics for use by the receiver and further adaptive control techniques for selecting which pixels of the photodetector array are used for sensing incident light.
Abstract translation: 这里公开了自适应ladar接收器和相关方法的各种实施例，其中用于接收ladar脉冲返回的光电探测器阵列中的有效像素可以至少部分地基于ladar脉冲 被定位。 另外的实施例公开了供接收器使用的改进的成像光学器件和用于选择光电检测器阵列的哪些像素用于感测入射光的另外的自适应控制技术。
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公开(公告)号：WO2017143183A1
公开(公告)日：2017-08-24
申请号：PCT/US2017/018359
申请日：2017-02-17
Applicant: AEYE, INC.
Inventor： DUSSAN, Luis
CPC classification number: G01S17/10 , G01S7/4817 , G01S17/42 , G02B26/101 , G02B26/105 , G02B27/104 , G02B27/143
Abstract: Disclosed herein is a scanning ladar transmitter that employs an optical field splitter/inverter to improve the gaze characteristics of the ladar transmitter on desirable portions of a scan area. Also disclosed is the use of scan patterns such as Lissajous scan patterns for a scanning ladar transmitter where a phase drift is induced into the scanning to improve the gaze characteristics of the ladar transmitter on desirable portions of the scan area.
Abstract translation: 这里公开了一种扫描ladar发射器，其采用光场分离器/反相器来改善扫描区域的期望部分上的ladar发射器的注视特性。 还公开了对扫描ladar发射器使用诸如Lissajous扫描图案之类的扫描图案，其中相位漂移被引入扫描中以改善扫描区域的期望部分上的ladar发射器的注视特性。
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Patent Agency Ranking
公开(公告)号：WO2023014704A1
公开(公告)日：2023-02-09
申请号：PCT/US2022/039152
申请日：2022-08-02
Applicant: AEYE, INC.
Inventor： BENSCOTER, Joel , DUSSAN, Luis , STEINHARDT, Allan , FERU, Philippe , POLISHCHUK, Igor
IPC: A61K38/25
Abstract: A lidar system comprises a lidar receiver that includes a first lens and a second lens. The first lens has a first field of view (FOV). The second lens has a second FOV, wherein the second FOV is encompassed by and narrower than the first FOV. A switch can control which of the first and second lenses are used for detecting returns from laser pulse shots based on where the laser pulse shots are targeted in a FOV that encompasses the first and second FOVs. The lidar receiver can include multiple readout channels for reading out signals from a photodetector array that senses light passed by the first and/or second lenses. Furthermore, the first and/or second lenses can be adjustable so that their respective FOVs are adjustable. Furthermore, shot scheduling for the lidar system can take into consideration potential changes in tilt amplitude of a variable amplitude scan mirror.
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公开(公告)号：WO2023283129A1
公开(公告)日：2023-01-12
申请号：PCT/US2022/035950
申请日：2022-07-01
Applicant: AEYE, INC.
Inventor： DUSSAN, Luis , STEINHARDT, Allan , BENSCOTER, Joel , GUSTAVSON, Todd
IPC: G01S17/06 , G01S7/4861 , G01S7/497 , G01S7/48 , G01S17/89
Abstract: A lidar system comprises a photodetector circuit and a signal processing circuit. The photodetector circuit comprises an array of pixels for sensing incident light. The signal processing circuit processes a signal representative of the sensed incident light to detect a reflection of a laser pulse from a target within a field of view. The signal processing circuit can comprise a plurality of matched filters that are tuned to different reflected pulse shapes for detecting pulse reflections within the incident light, and wherein the signal processing circuit applies the signal to the matched filters to determine an obliquity and/or brightness (e.g., retro-reflectivity) for the target based how the matched filters respond to the applied signal. Furthermore, the determined target obliquity can be used for orienting the lidar system to a frame of reference (such as the horizon) in response to movements (such as tilting) of the lidar system.
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公开(公告)号：WO2022261295A1
公开(公告)日：2022-12-15
申请号：PCT/US2022/032796
申请日：2022-06-09
Applicant: AEYE, INC.
Inventor： DUSSAN, Luis , STEINHARDT, Allan , BENSCOTER, Joel , GREENE, Jordan , FERU, Philippe , POLISHCHUK, Igor , LIANG, Alex
IPC: G01S17/931 , G01S7/484 , G01S7/486 , G02B26/10
Abstract: A lidar system can include a lidar transmitter and a lidar receiver, where the lidar transmitter controllably transmits a pulse burst toward a target in a field of view. This pulse burst transmission can be performed in response to a detection of the target, and the lidar receiver can resolve an angle to the target based on returns from the pulse burst. The pulse burst can include a first pulse fired at a first shot angle and a second pulse fired at a second shot angle. Predictive laser energy modeling can be used to schedule the pulse burst, and this modeling can take into account a variable laser seed energy if applicable. Furthermore, the lidar system can controllably switch between a baseline scan mode and a pulse burst mode in response to target detections or other conditions.
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公开(公告)号：WO2022240714A1
公开(公告)日：2022-11-17
申请号：PCT/US2022/028261
申请日：2022-05-09
Applicant: AEYE, INC.
Inventor： REDDY, Naveen , STEINHARDT, Allan , DUSSAN, Luis , BENSCOTER, Joel , LIANG, Alex , FERU, Philippe , POLISHCHUK, Igor
IPC: G01S7/4861 , G01S7/486 , G01S17/10 , G01S7/483 , G01S7/484 , G01S7/4863 , G01S17/46 , G01S17/58 , G01S17/89 , G01S17/93 , G01S17/931
Abstract: A lidar receiver that includes a photodetector circuit can be controlled so that the detection intervals used by the lidar receiver to detect returns from fired laser pulse shots are closely controlled. Such control over the detection intervals used by the lidar receiver allows for close coordination between a lidar transmitter and the lidar receiver where the lidar receiver is able to adapt to variable shot intervals of the lidar transmitter (including periods of high rate firing as well as periods of low rate firing). The detection intervals can vary across different shots, and at least some of the detection intervals can be controlled to be of different durations than the shot intervals that correspond to such detection intervals.
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公开(公告)号：WO2022204541A1
公开(公告)日：2022-09-29
申请号：PCT/US2022/021995
申请日：2022-03-25
Applicant: AEYE, INC.
Inventor： FERU, Philippe , BENSCOTER, Joel , DUSSAN, Luis , JUNG, James , LIANG, Alex , POLISHCHUK, Igor , REDDY, Naveen , STEINHARDT, Allan
Abstract: A lidar system that includes a laser source and transmits laser pulses produced by the laser source toward range points in a field of view can use a laser energy model to model the available energy in the laser source over time. The timing schedule for laser pulses fired by the lidar system can then be determined using energies that are predicted for the different scheduled laser pulse shots based on the laser energy model. This permits the lidar system to reliably ensure at a highly granular level that each laser pulse shot has sufficient energy to meet operational needs, including when operating during periods of high density/high resolution laser pulse firing.
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