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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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1 EP3631508A1
CORRECTION OF MOTION-BASED INACCURACY IN POINT CLOUDS
Publication/Patent Number: EP3631508A1 Publication Date: 2020-04-08 Application Number: 17919926.0 Filing Date: 2017-07-31 Inventor: Li, Chen   Ma, Lu   Assignee: SZ DJI Technology Co., Ltd.   IPC: G01S17/00
2 WO2020007274A1
LIGHT BEAM SCANNING CONTROL METHOD AND DEVICE, SYSTEM AND CORRESPONDING MEDIUM
Publication/Patent Number: WO2020007274A1 Publication Date: 2020-01-09 Application Number: 2019094306 Filing Date: 2019-07-02 Inventor: Tan, Shunyi   Assignee: JIANGSU INTELIGHT ELECTRONICTECHNOLOGY CO., LTD.   IPC: G01S17/00 Abstract: A light beam scanning control method and device, the method comprising: a previous-period control step: in a previous period, controlling a emitting system to output a emitted light beam on the basis of a previous parameter; and a subsequent-period control step: in a subsequent period, according to feedback information of the emitted light beam output on the basis of the previous parameter, controlling the emitting system to output a emitted light beam on the basis of a subsequent parameter according to a scanning strategy. The advantageous effects are: a scanning control strategy is provided to improve scanning efficiency or scanning accuracy.
3 WO2020000124A1
METHOD FOR MONITORING CONNECTION STATE OF LASER RADAR, LASER RADAR, AND MASTER COMPUTER
Publication/Patent Number: WO2020000124A1 Publication Date: 2020-01-02 Application Number: 2018092565 Filing Date: 2018-06-25 Inventor: Li, Tao   Long, Chenghui   Assignee: SZ DJI TECHNOLOGY CO., LTD.   IPC: G01S17/00 Abstract: A method for monitoring a connection state of a laser radar comprises: receiving address information and a port identifier of a master computer transmitted by the master computer, the address information and the port identifier of the master computer being transmitted after the master computer has acquired an identification code of the laser radar; transmitting a connection confirmation message to the master computer, the connection confirmation message indicating successful establishment of a connection between the laser radar and the master computer; transmitting a data packet to the master computer according to the address information and the port identifier of the master computer; and determining, according to a heartbeat packet or a returned heartbeat packet, whether the connection between the laser radar and the master computer is normal. Also provided are a laser radar and a master computer. The invention realizes monitoring of a connection state of a laser radar and a master computer in a data transmission process.
4 US2020211174A1
QUALITY INDICATORS FOR COLLECTION OF AND AUTOMATED MEASUREMENT ON ULTRASOUND IMAGES
Publication/Patent Number: US2020211174A1 Publication Date: 2020-07-02 Application Number: 16/816,076 Filing Date: 2020-03-11 Inventor: Rothberg, Alex   Lovchinsky, Igor   Jia, Jimmy   Gafner, Tomer   De, Jonge Matthew   Rothberg, Jonathan M.   Assignee: Butterfly Network, Inc.   IPC: G06T7/00 Abstract: Aspects of the technology described herein relate to techniques for calculating, during imaging, a quality of a sequence of images collected during the imaging. Calculating the quality of the sequence of images may include calculating a probability that a medical professional would use a given image for clinical evaluation and a confidence that an automated analysis segmentation performed on the given image is correct. Techniques described herein also include receiving a trigger to perform an automatic measurement on a sequence of images, calculating a quality of the sequence of images, determining whether the quality of the sequence of images exceeds a threshold quality, and performing the automatic measurement on the sequence of images based on determining that the quality of the sequence of images exceeds the threshold quality.
5 CN111157974A
一种激光雷达四象限均匀性调节装置
Under Examination
Publication/Patent Number: CN111157974A Publication Date: 2020-05-15 Application Number: 201911426165.4 Filing Date: 2019-12-31 Inventor: 郑玉成   阎杰   Assignee: 安徽皖仪科技股份有限公司   IPC: G01S7/481 Abstract: 本发明公开了一种激光雷达四象限均匀性调节装置,包括光路系统及数据采集显示系统,光路系统将激光雷达接收的向后散射光信号进行整形后传输至数据采集显示系统;光路系统包括固定座、准直镜筒、扩散镜筒、分光筒、光电二极管,固定座、准直镜筒、扩散镜筒、分光筒、光电二极管依次排列并固定连接,光电二极管与数据采集显示系统连接;准直镜筒内安装有准直透镜,扩散镜筒内安装有扩散透镜,分光筒上均匀分布有四个通孔,光电二极管的数量与通孔的数量一致,使得激光雷达接收的向后散射光信号经过分光筒的四个通孔分别被四个光电二极管接收。本发明能够实现四象限同时接收后散射光信号,保证了四象限调节的准确性。
6 CN110954909A
一种线性扫频相干激光雷达系统
Under Examination
Publication/Patent Number: CN110954909A Publication Date: 2020-04-03 Application Number: 201811127160.7 Filing Date: 2018-09-27 Inventor: 梁伟   Assignee: 苏州溯光科技信息有限公司   苏州镭智传感科技有限公司   IPC: G01S17/00 Abstract: 本发明提供了一种线性扫频相干激光雷达系统,涉及激光雷达技术领域,包括连续线性扫频激光源,连续线性扫频激光源通过光信号转换设备与多个雷达相连,在连续线性扫频激光源与光信号转换设备或者多个雷达之间连接有中央控制器;连续线性扫频激光源发射窄线宽扫频光信号,光信号转换设备将窄线宽扫频光信号进行放大后,分配至多个雷达;中央控制器对连续线性扫频激光源与雷达或者光信号转换设备之间的扫描信号进行同步控制,并对雷达反馈的检测信号进行分析。本发明在实现单个载体360°无死角覆盖的基础上,主要利用连续线性扫频激光源、光信号转换设备和雷达,以较低成本放大或者复制窄线宽扫频光信号,从而可以大大降低总系统成本。
7 US2020088958A1
Transmitter Devices Having Bridge Structures
Publication/Patent Number: US2020088958A1 Publication Date: 2020-03-19 Application Number: 16/669,488 Filing Date: 2019-10-30 Inventor: Droz, Pierre-yves   Schleuning, David   Tazzoli, Augusto   Assignee: Waymo LLC   IPC: G02B6/42 Abstract: The present disclosure relates to optical systems and methods for their manufacture. An example system includes a first substrate that has at least one bridge structure. The bridge structure has a first surface with one or more light-emitter devices disposed on it. The system also includes a second substrate that has a mounting surface that defines a reference plane. The second substrate includes a structure and an optical spacer on the mounting surface. The first and second substrates are coupled together such that the first surface of the first substrate faces the second substrate at an angle with respect to the reference plane. The system also includes at least one spacer coupled to the mounting surface. The at least one spacer is in physical contact with the one or more light-emitter devices.
8 EP3637138A1
SIMULATION OF LIGHT DETECTION AND RANGING BEAMS
Publication/Patent Number: EP3637138A1 Publication Date: 2020-04-15 Application Number: 18199899.8 Filing Date: 2018-10-11 Inventor: Phillips, Michael   Assignee: Siemens Industry Software and Services B.V.   IPC: G01S17/00 Abstract: The present invention is related to a method of simulating a LIght Detection And Ranging (LIDAR) beam. In particular, the present invention is related to simulating a LIDAR beam through ray-tracing. A respective method (10) of simulating a LIDAR beam (30) of a LIDAR sensor in a scene, comprises in particular the steps: - Finding (15) an intersection of the current ray (33, 51) with an object (50) of the scene through ray-tracing. - Determining (16.1) a reflected energy (52, 53) of the current ray (33, 51). - Determining (16.5) a scattered ray (51) based on the current ray (33, 51) scattered from the object (50) at the intersection. - Continuing (16.6) the iteration for the scattered ray (51).
9 WO2020019204A1
SYSTEM AND METHOD FOR DETECTING STEALTHY OBJECT
Publication/Patent Number: WO2020019204A1 Publication Date: 2020-01-30 Application Number: 2018097069 Filing Date: 2018-07-25 Inventor: Liu, Chuming   Wang, Xingze   Shu, Yuan   Assignee: HEREN KEJI (SHENZHEN) LLC   IPC: G01V8/10 Abstract: Disclosed are a system and a method for detecting a stealthy object. The system comprises: a beam splitting and focusing array (101), an image sensing array (102), and a data processing module (103). The beam splitting and focusing array (101) splits incoming detection light into beams, and focuses the split beams on corresponding image sensing units of the image sensing array (102). The image sensing units of the image sensing array (102) convert received light beam information into corresponding electrical information. The data processing module (103) reconstructs a wavefront of the incoming detection light according to the electrical information, so as to obtain reconstructed wavefront information, and identifies, by means of the reconstructed wavefront information and an artificial neural network algorithm, whether the incoming detection light contains scattered light of a stealthy object. The system is capable of detecting the existence of a stealthy object using a negative-index metamaterial.
10 EP3637139A1
SIMULATION OF LIGHT DETECTION AND RANGING BEAMS
Publication/Patent Number: EP3637139A1 Publication Date: 2020-04-15 Application Number: 18199900.4 Filing Date: 2018-10-11 Inventor: Phillips, Michael   Assignee: Siemens Industry Software and Services B.V.   IPC: G01S17/00 Abstract: The present invention is related to a method of simulating a LIght Detection And Ranging (LIDAR) beam. In particular, the present invention is related to simulating a LIDAR beam through ray-tracing. A respective method (10) of simulating a LIDAR beam (30) of a LIDAR sensor in a scene, comprises in particular the steps: - Finding (15) an intersection of the current ray (33, 51) with an object (50) of the scene through ray-tracing. - Determining (16.1) a reflected energy (52, 53) of the current ray (33, 51), wherein the reflected energy (52, 53) represents a time varying energy distribution (40) corresponding to an energy of a laser pulse reflected from the object (50) at the intersection back over time contained in a vector (41) of time bins.
11 EP3665727A1
LIGHT DETECTION AND RANGING SENSORS WITH MULTIPLE EMITTERS AND MULTIPLE RECEIVERS, AND ASSOCIATED SYSTEMS AND METHODS
Publication/Patent Number: EP3665727A1 Publication Date: 2020-06-17 Application Number: 18915852.0 Filing Date: 2018-04-28 Inventor: Liu, Xiang   Hong, Xiaoping   Zheng, Guoguang   Huang, Huai   Chen, Jiangbo   Assignee: SZ DJI Technology Co., Ltd.   IPC: H01L33/00
12 CN210347926U
一种激光雷达装置
Publication/Patent Number: CN210347926U Publication Date: 2020-04-17 Application Number: 201920824075.X Filing Date: 2019-06-03 Inventor: 周常站   周逸铭   Assignee: 东莞市光劲光电有限公司   周常站   周逸铭   IPC: G01S7/481 Abstract: 本实用新型提出一种激光雷达装置,包括发射单元、外壳、光电感应器、透明壳、锥形反射台,本实用新型的激光雷达装置结构简单,且各个零配件之间可以实现快速装配,生产成本低,解决了传统激光雷达成本高问题,同时也解决了原来激光雷达装配复杂调试难的问题;通过激光管组合使发射单元形成的激光网为环形激光网,锥形反射台可以接收360°水平漫反射激光并投射到所述光电感应器上,解决了传统激光雷达水平视角小问题;且本实用新型的激光雷达装置体积较小,具有方便携带的特点。
13 EP3663881A1
METHOD FOR CONTROLLING AN AUTONOMOUS VEHICLE ON THE BASIS OF ESTIMATED MOVEMENT VECTORS
Publication/Patent Number: EP3663881A1 Publication Date: 2020-06-10 Application Number: 18209915.0 Filing Date: 2018-12-03 Inventor: Müncher, Martin   Dulat, Simon   Zimmermann, Ralf   Mabon, Remi   Daubmann, Michael   Ruh, Dominic   Assignee: SICK AG   IPC: G05D1/02 Abstract: Ein Verfahren zur Steuerung eines autonomen Fahrzeugs, welches einen optischen Sensor zur Erfassung von Objekten in einem Erfassungsbereich aufweist, umfasst folgende Schritte: Ermitteln von Messwerten des Erfassungsbereichs, wobei die Messwerte zumindest Distanzwerte umfassen; Ermitteln von Modellobjekten auf der Grundlage der Messwerte, um Objekte in dem Erfassungsbereich zu erfassen, wobei ein jeweiliges Objekt durch ein jeweiliges Modellobjekt repräsentiert wird; Schätzen eines Bewegungsvektors auf der Grundlage des jeweiligen Modellobjekts, wobei der Bewegungsvektor eine Bewegung des jeweiligen Objekts repräsentiert; und Steuern des autonomen Fahrzeugs auf der Grundlage des Bewegungsvektors.
14 EP3660473A1
APPARATUS & METHOD FOR CONTROLLING THE VOLTAGE APPLIED TO A SINGLE PHOTON AVALANCHE PHOTODIODE (SPAD)
Publication/Patent Number: EP3660473A1 Publication Date: 2020-06-03 Application Number: 18209521.6 Filing Date: 2018-11-30 Inventor: Moore, John Kevin   Assignee: STMicroelectronics (Research & Development) Limited   IPC: G01J1/44 Abstract: There is provided a method for controlling a voltage across a single photon avalanche diode, the method comprising: providing an output dependent on a current flowing through the single photon avalanche diode; and controlling the voltage applied across the single photon avalanche diode in dependence on the provided output.
15 EP3673288A1
ESTIMATION OF SPATIAL PROFILE OF ENVIRONMENT
Publication/Patent Number: EP3673288A1 Publication Date: 2020-07-01 Application Number: 18849158.3 Filing Date: 2018-08-24 Inventor: Pulikkaseril, Cibby   Bondy, Federico Collarte   Assignee: Baraja Pty Ltd   IPC: G01S7/00
16 CN210270153U
一种激光雷达装置
Publication/Patent Number: CN210270153U Publication Date: 2020-04-07 Application Number: 201920824055.2 Filing Date: 2019-06-03 Inventor: 周常站   周逸铭   Assignee: 东莞市光劲光电有限公司   周常站   周逸铭   IPC: G01S7/481 Abstract: 本实用新型提出一种激光雷达装置,包括发射单元、反射镜、光电感应器、透明壳、锥形反射台,本实用新型的激光雷达装置结构简单,且各个零配件之间可以实现快速装配,生产成本低,解决了传统激光雷达成本高问题,同时也解决了原来激光雷达装配复杂调试难的问题;通过激光管组合使发射单元形成的激光网为环形激光网,锥形反射台可以接收360°激光并投射到所述光电感应器上,解决了传统激光雷达水平视角小问题;且本实用新型的激光雷达装置各个零配件排布合理,合理利用空间以使得体积较小,特别是纵向高度上减少许多,降低了整个产品的高度,具有方便携带的特点。
17 WO2020000755A1
ADAPTIVE CODING FOR LIDAR SYSTEMS
Publication/Patent Number: WO2020000755A1 Publication Date: 2020-01-02 Application Number: 2018109049 Filing Date: 2018-09-30 Inventor: Zhu, Xuezhou   Xiang, Shaoqing   Assignee: HESAI PHOTONICS TECHNOLOGY CO., LTD.   IPC: G01S17/00 Abstract: A Lidar system (100) is provided. The Lidar system (100) comprise: a light source (500) configured to emit a multi-pulse sequence (210) to measure a distance between the Lidar system (100) and a location in a three-dimensional environment, and the multi-pulse sequence (210) comprises multiple pulses (211) having a temporal profile; a photosensitive detector (51) configured to detect light pulses from the three-dimensional environment; and one or more processors configured to: determine a coding scheme comprising the temporal profile, wherein the coding scheme is determined dynamically based on one or more real-time conditions including an environment condition, a condition of the Lidar system (100) or a signal environment condition; and calculate the distance based on a time of flight of a sequence of detected light pulses, wherein the time of flight is determined by determining a match between the sequence of detected light pulse and the temporal profile.
18 US10527728B2
Apparatus and method for range measurement
Publication/Patent Number: US10527728B2 Publication Date: 2020-01-07 Application Number: 15/498,096 Filing Date: 2017-04-26 Inventor: Wang, Yibing Michelle   Assignee: Samsung Electronics Co., Ltd   IPC: G01S17/00 Abstract: An apparatus and a method. The apparatus includes a single-photon avalanche diode (SPAD) circuit configured to detect a photon, including a first input for receiving a first voltage (VSPAD), a second input for receiving a first signal (SHUTTER), a third input for receiving a second voltage (VDD), and an output; a logic circuit configured to latch the detected photon, including a first input connected to the output of the SPAD circuit, a second input for receiving a second signal (TXRMD), and an output; and a pinned photo diode (PPD) circuit configured to record a time of flight (TOF) of the detected photon, including a first input connected to the output of the logic circuit, a second input for receiving a third signal (VTX), a third input for receiving a fourth signal (RST), a fourth input for receiving a third voltage (VPIX), a fifth input for receiving a fifth signal (SEL), and an output.
19 US10649160B2
Transmitter devices having bridge structures
Publication/Patent Number: US10649160B2 Publication Date: 2020-05-12 Application Number: 16/669,488 Filing Date: 2019-10-30 Inventor: Droz, Pierre-yves   Schleuning, David   Tazzoli, Augusto   Assignee: Waymo LLC   IPC: G02B6/42 Abstract: The present disclosure relates to optical systems and methods for their manufacture. An example system includes a first substrate that has at least one bridge structure. The bridge structure has a first surface with one or more light-emitter devices disposed on it. The system also includes a second substrate that has a mounting surface that defines a reference plane. The second substrate includes a structure and an optical spacer on the mounting surface. The first and second substrates are coupled together such that the first surface of the first substrate faces the second substrate at an angle with respect to the reference plane. The system also includes at least one spacer coupled to the mounting surface. The at least one spacer is in physical contact with the one or more light-emitter devices.
20 US2020256956A1
LIDAR System With Reduced Speckle Sensitivity
Publication/Patent Number: US2020256956A1 Publication Date: 2020-08-13 Application Number: 16/780,871 Filing Date: 2020-02-03 Inventor: Luff, Bradley Jonathan   Feng, Dazeng   Asghari, Mehdi   Assignee: SiLC Technologies, Inc.   IPC: G01S7/484 Abstract: Multiple LIDAR output signals are generated and are concurrently directed to the same sample region in a field of view. The LIDAR output signals have one or more optical diversities selected from a group consisting of wavelength diversity, polarization diversity, and diversity of an angle of incidence of the LIDAR output signal relative to the sample region.