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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
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1 US2020233067A1
ELECTROMAGNETIC WAVE DETECTION APPARATUS, PROGRAM, AND ELECTROMAGNETIC WAVE DETECTION SYSTEM
Publication/Patent Number: US2020233067A1 Publication Date: 2020-07-23 Application Number: 16/486,962 Filing Date: 2018-02-08 Inventor: Okada, Hiroki   Uchida, Eri   Minagawa, Hiroyuki   Takayama, Yoshiteru   Ono, Mitsuo   Hasebe, Atsushi   Kawai, Katsutoshi   Kanayama, Yukitoshi   Assignee: KYOCERA Corporation   IPC: G01S7/4863 Abstract: An electromagnetic wave detection apparatus (10) includes an irradiator (11), a first detector (17), a memory (19), and a controller (20). The irradiator (11) irradiates electromagnetic waves. The first detector (17) includes detection elements. The detection elements detect, by irradiation position, reflected waves of the electromagnetic waves irradiated on an object (ob). The memory (19) stores first related information including an emission direction of the emitted electromagnetic waves. The controller (20) updates the first related information based on the position of the detection element, among the detection elements, that detects the reflected waves of the electromagnetic waves.
2 US2020264285A1
TIME-OF-FLIGHT APPARATUS AND METHOD
Publication/Patent Number: US2020264285A1 Publication Date: 2020-08-20 Application Number: 16/791,584 Filing Date: 2020-02-14 Inventor: Ding, Qing   Van, Der Tempel Ward   Assignee: Sony Semiconductor Solutions Corporation   IPC: G01S7/4863 Abstract: A time-of-flight apparatus having a light detector for detecting light reflected from a scene, wherein the light detector has at least one light detection element; and circuitry configured to acquire light detection events for the at least one light detection element at selected points of time of a set of predetermined number of consecutive times, wherein the selection of the points of time is based on a time compressive sampling.
3 US2020256960A1
LIDAR SYSTEM WITH SPATIAL LIGHT MODULATOR
Publication/Patent Number: US2020256960A1 Publication Date: 2020-08-13 Application Number: 16/788,762 Filing Date: 2020-02-12 Inventor: Lachapelle, Joseph G.   Smith, Philip W.   Weed, Matthew D.   Eichenholz, Jason M.   Assignee: Luminar Technologies, Inc.   IPC: G01S7/481 Abstract: In one embodiment, a lidar system includes a light source configured to emit a pulse of light and a scanner configured to direct the emitted pulse of light into a field of regard of the lidar system. The lidar system also includes a receiver configured to receive a portion of the emitted pulse of light scattered by a target located a distance from the lidar system. The receiver includes a digital micromirror device (DMD) that includes a two-dimensional array of electrically addressable micromirrors, where a portion of the micromirrors are configured to be set to an active-on state to direct the received pulse of light to a detector array. The detector array includes a two-dimensional array of detector elements, where the detector array is configured to detect the received pulse of light and produce an electrical signal corresponding to the received pulse of light.
4 US2020158838A1
METHODS AND SYSTEMS FOR SPATIALLY DISTRIBUTED STROBING
Publication/Patent Number: US2020158838A1 Publication Date: 2020-05-21 Application Number: 16/689,379 Filing Date: 2019-11-20 Inventor: Henderson, Robert   Finkelstein, Hod   Calder, Neil   Al, Abbas Tarek   Assignee: The University Court of The University of Edinburgh   Sense Photonics, Inc.   IPC: G01S7/486 Abstract: A Light Detection and Ranging (lidar) apparatus includes an emitter array comprising a plurality of emitter units configured to emit optical signals responsive to respective emitter control signals, a detector array comprising a plurality of detector pixels configured to be activated and deactivated for respective strobe windows between pulses of the optical signals; and a control circuit configured to provide a strobe signal to activate a first subset of the detector pixels while leaving a second subset of the detector pixels inactive.
5 EP3684052A1
PIXEL CIRCUIT AND IMAGE SENSING SYSTEM
Publication/Patent Number: EP3684052A1 Publication Date: 2020-07-22 Application Number: 20159775.4 Filing Date: 2017-07-14 Inventor: Lo, Yen-hung   Yang, Meng-ta   Assignee: Shenzhen Goodix Technology Co., Ltd.   IPC: H04N5/369 Abstract: The present application provides a pixel circuit, applied in an image sensing system. The pixel circuit is coupled to a first collection node and a second collection node. The pixel circuit includes a first capacitor; a second capacitor; a first shutter switch coupled between the first capacitor and the first collection node; a second shutter switch coupled between the second capacitor and the second collection node; a third shutter switch coupled between the second capacitor and the first collection node; a fourth shutter switch coupled between the first capacitor and the second collection node; and a common mode reset module coupled to the first capacitor and the second capacitor.
6 US2020271789A1
METHOD AND DEVICE FOR DETECTING INCIDENT LASER RADIATION ON A SPACECRAFT
Publication/Patent Number: US2020271789A1 Publication Date: 2020-08-27 Application Number: 16/803,505 Filing Date: 2020-02-27 Inventor: Schmidt, Uwe   Haarlammert, Thorben   Assignee: Jena-Optronik GmbH   IPC: G01S17/933 Abstract: A method for detecting incident laser radiation on a spacecraft, whereby incident radiation is detected separately in several discrete spectral ranges, the radiation recorded in the spectral ranges is converted into further processable electrical signals, and the signals are evaluated together. A device for detecting incident laser radiation on a spacecraft is configured to perform such a method.
7 CN111142089A
一种OBFN与PADC功能集成的宽带雷达信号接收装置及方法
Under Examination
Publication/Patent Number: CN111142089A Publication Date: 2020-05-12 Application Number: 202010025559.5 Filing Date: 2020-01-10 Inventor: 郑小平   陈晓雪   李尚远   薛晓晓   Assignee: 清华大学   IPC: G01S7/4863 Abstract: 本发明公开了一种OBFN与PADC功能集成的宽带雷达信号接收装置及方法,其中,该装置包括:天线阵列单元的输出端连接OBFN与PADC的全光功能集成单元的微波输入端,用于接收目标回波信号;光脉冲单元用于生成高频重复光脉冲串;OBFN与PADC的全光功能集成单元的光输入端连接光脉冲单元的输出端,用于实现OBFN与光子ADC功能集成;光电转换单元输出端与电ADC单元输入端连接;电ADC单元输出端与数字信号处理单元输入端连接;数字信号处理单元用于进行宽带信号的合成。该装置改善光控波束成形网络与光子ADC两种功能模块在光域光谱不兼容的问题,实现功能集成的同时降低损耗。
8 US2020103505A1
MULTI-BEAM LIDAR SYSTEMS WITH TWO TYPES OF LASER EMITTER BOARDS AND METHODS FOR DETECTION USING THE SAME
Publication/Patent Number: US2020103505A1 Publication Date: 2020-04-02 Application Number: 16/693,157 Filing Date: 2019-11-22 Inventor: Qiu, Chunxin   Liu, Letian   Assignee: SUTENG INNOVATION TECHNOLOGY CO., LTD.   IPC: G01S7/481 Abstract: The present disclosure provides a multi-beam LiDAR system. The multi-beam LiDAR system includes a transmitter having an array of laser emitters. Each laser emitter is configured to emit a laser beam. The laser emitter array includes a first type of laser emitter board and a second type of laser emitter board. The second type of laser board includes two or more laser emitters. The second type of laser emitter board is not parallel to a predefined plane.
9 CN111510145A
应用于激光制导的直采电路
Under Examination
Publication/Patent Number: CN111510145A Publication Date: 2020-08-07 Application Number: 202010332745.3 Filing Date: 2020-04-24 Inventor: 张利飞   孙智慧   李博韬   张瑞勇   Assignee: 国科天成(北京)科技有限公司   IPC: H03M1/12 Abstract: 应用于激光制导的直采电路,包括:光电转换装置、带通过滤装置、差分转换装置、模数转换装置、门阵列芯片,所述光电转换装置、所述带通过滤装置、所述差分转换装置、所述模数转换装置、所述门阵列芯片依次连接。应用于激光制导的直采电路具有以下优点,避免了模拟方式数字采样产生误差造成的制导精度的问题;减小了电路板直径,解决了模拟求和方式产生波门边沿偶尔有毛刺导致的误采样问题;抑制了采样噪声,提高了采样精度;提高信噪比,提高制导精度。
10 US2020137373A1
THREE-DIMENSIONAL IMAGE SENSOR, OPTICAL RADAR APPARATUS, AND PROCESSING APPARATUS
Publication/Patent Number: US2020137373A1 Publication Date: 2020-04-30 Application Number: 16/607,349 Filing Date: 2018-04-06 Inventor: Iguchi, Katsuji   Assignee: SHARP KABUSHIKI KAISHA   IPC: H04N13/254 Abstract: An object is to realize a low-cost three-dimensional image sensor capable of providing a wide measurement range. The three-dimensional image sensor includes a light receiving unit including a plurality of pixels each including an SPAD (single-photon avalanche photodiode) configured to detect, in Geiger mode, a photon of incident light including reflected light from an object to be detected, a plurality of pixel storage elements provided for the respective pixels in a one-to-one manner, each pixel storage unit being configured to count a accumulated value of pulse signals output from a corresponding one of the pixels as a result of detecting photons for each of temporally successive time intervals, and a signal processing circuit (DS) configured to calculate distance information regarding a distance between a light receiving unit and an object for each pixel by using groups of accumulated values accumulated by the pixel storage elements.
11 US2020233068A1
DIGITAL PIXELS AND OPERATING METHODS THEREOF
Publication/Patent Number: US2020233068A1 Publication Date: 2020-07-23 Application Number: 16/746,218 Filing Date: 2020-01-17 Inventor: Henderson, Robert   Al, Abbas Tarek   Calder, Neil   Assignee: The University Court of The University of Edinburgh   Sense Photonics, Inc.   IPC: G01S7/4863 Abstract: A Light Detection and Ranging (LIDAR) measurement circuit includes an array of single photon detectors configured to detect photons responsive to emission of an optical signal from an emitter, and a pixel processing circuit that is configured to calculate an estimated time of arrival of photons incident on the array of single photon detectors by utilizing a plurality of coarse histogram bins. Respective ones of the plurality of coarse histogram bins are associated with a duration that is greater than one-sixteenth of a pulse width of the optical signal.
12 US2020271790A1
METHOD AND DEVICE FOR DETECTING INCIDENT LASER RADIATION ON A SPACECRAFT
Publication/Patent Number: US2020271790A1 Publication Date: 2020-08-27 Application Number: 16/803,571 Filing Date: 2020-02-27 Inventor: Schmidt, Uwe   Haarlammert, Thorben   Kröber, Frank   Assignee: Jena-Optronik GmbH   IPC: G01S17/933 Abstract: A method for detecting incident laser radiation on a spacecraft, whereby incident radiation is detected separately in several discrete spectral ranges, the radiation recorded in the spectral ranges is converted into further processable electrical signals, and the signals are evaluated together. A device for detecting incident laser radiation on a spacecraft is configured to perform such a method.
13 US2020217938A1
LIDAR SYSTEM, METHOD FOR OPERATING A LIDAR SYSTEM, AND COMPUTER PROGRAM
Publication/Patent Number: US2020217938A1 Publication Date: 2020-07-09 Application Number: 16/738,194 Filing Date: 2020-01-09 Inventor: Greiner, Alexander   Assignee: Robert Bosch GmbH   IPC: G01S7/487 Abstract: A lidar system is described for a vehicle for scanning a surrounding area of the vehicle using laser beams, including a transmitting device having a laser beam source which is designed to emit laser beams into the surrounding area of the vehicle, a receiving device having at least one detector for detecting the laser beams reflected in the surrounding area and having at least one first filter that is connectible in front of the detector, wherein the at least one first filter is designed as an intensity filter for specifically absorbing background radiation. A method for operating a lidar system and a computer program are also described.
14 CN106461761B
距离图像传感器
Publication/Patent Number: CN106461761B Publication Date: 2020-03-27 Application Number: 201580023670.8 Filing Date: 2015-01-29 Inventor: 间瀬光人   平光纯   岛田明洋   Assignee: 浜松光子学株式会社   IPC: G01S7/4863 Abstract: 本发明提供一种距离图像传感器,对于在一维方向(A)上连续排列的任意三个距离传感器(P、P、P)而言:三个距离传感器中的位于中央的距离传感器(P)和位于比该距离传感器(P)更靠近一维方向(A)上的一侧的距离传感器(P)中,第一信号电荷存储区域(FD1)彼此在一维方向(A)上相邻;三个距离传感器中的位于中央的距离传感器(P)和位于比该距离传感器(P)更靠近一维方向(A)上的另一侧的距离传感器(P)中,第一信号电荷存储区域(FD1)和第二信号电荷存储区域(FD2)在一维方向(A)上相邻。
15 CN111158010A
一种激光主动跟踪系统及跟踪方法
Under Examination
Publication/Patent Number: CN111158010A Publication Date: 2020-05-15 Application Number: 202010010338.0 Filing Date: 2020-01-06 Inventor: 冯建新   杜晋峰   王冰   Assignee: 航天金鹏科技装备(北京)有限公司   IPC: G01S17/66 Abstract: 本发明公开一种激光主动跟踪系统及跟踪方法,系统包括激光标示器、光斑测试单元和数传单元;光斑测试单元包括接收镜、四象限光电探测器、CCD成像探测器和采集处理电路;激光器发出的脉冲激光照射目标后,CCD处理单元对CCD成像探测器处理获取光斑图像;采集处理电路对四象限光电探测器的输出电信号采集处理后得到光斑质心坐标;所述的光斑图像和光斑质心坐标通过数传单元发送至远端的指控中心;本发明的主动跟踪系统将四象限探测器、CCD图像传感器和目标指示激光器集成在一起,目标指示激光器发射脉冲激光,实现了激光光斑的综合测试和目标追踪,为半主动制导武器的精确打击提供了目标参数和决策依据参考。
16 CN111103057A
具有使用基于电容器的比较器的阈值检测的光子感测
Under Examination
Publication/Patent Number: CN111103057A Publication Date: 2020-05-05 Application Number: 201910898419.6 Filing Date: 2019-09-23 Inventor: T·维拉森   O·布尔蒂尔   T·阮   R·约翰松   Assignee: 豪威科技股份有限公司   IPC: G01J1/46 Abstract: 本申请涉及具有使用基于电容器的比较器的阈值检测的光子感测。一种阈值检测电路包含多个电容器。多个开关电路耦合到所述电容器,使得所述电容器中的每一个的第一端在检测间隔期间耦合到对应的光子传感器,且每一电容器的所述第一端在复位间隔期间耦合到可变初始化值。在复位间隔期间,阈值数目的所述电容器初始化到第一值,且剩余电容器初始化到第二值。比较器耦合到所述电容器中的第二者以响应于所述阈值数目的光子传感器在检测间隔期间感测一或多个入射光子而产生检测事件。
17 CN211061698U
用于检测光的装置
Valid
Publication/Patent Number: CN211061698U Publication Date: 2020-07-21 Application Number: 201921472310.8 Filing Date: 2019-09-05 Inventor: D·哈尔   B·雷   Assignee: 意法半导体(R&D)有限公司   IPC: G01S17/08 Abstract: 本公开的各实施例涉及用于检测光的装置。一种装置,包括至少一个检测器,该至少一个检测器被配置为从检测器视场内的对象接收返回光,光由光源生成。检测器包括第一光敏区域和第二光敏区域,第一光敏区域和第二光敏区域被配置为接收来自光源的返回光。包括至少一个非光敏区域,并且第一光敏区域和第二光敏区域被至少一个非光敏区域分离。至少一个非光敏区域与第一光敏区域或第二光敏区域中的一个光敏区域相关联。
18 US2020284884A1
EXTENDED DYNAMIC RANGE AND REDUCED POWER IMAGING FOR LIDAR DETECTOR ARRAYS
Publication/Patent Number: US2020284884A1 Publication Date: 2020-09-10 Application Number: 16/810,299 Filing Date: 2020-03-05 Inventor: Henderson, Robert   Al, Abbas Tarek   Calder, Neil   Finkelstein, Hod   Assignee: The University Court of The University of Edinburgh   Sense Photonics, Inc.   IPC: G01S7/4863 Abstract: A Light Detection And Ranging (LIDAR) detector circuit includes a plurality of detector pixels, where each or a respective detector pixel of the detector pixels includes a plurality of detector elements. At least one control circuit is configured to provide one or more detector control signals that selectively activate one or more of the detector elements of the respective detector pixel to define a first active detection area including a first subset of the detector elements for a first image acquisition, and a second active detection area including a second subset of the detector elements for a second image acquisition. Related devices and methods of operation are also discussed.
19 CN107329133B
矫正型成像激光雷达接收器及信号处理方法
Valid
Publication/Patent Number: CN107329133B Publication Date: 2020-05-12 Application Number: 201710472452.3 Filing Date: 2017-06-21 Inventor: 朱樟明   郑浩   马瑞   刘马良   杨银堂   Assignee: 西安电子科技大学   IPC: G01S7/4863 Abstract: 本发明涉及一种矫正型成像激光雷达接收器,包括:光电检测器模块(10),用于将接收的光信号并转换为电信号(i~i);高压共模电平端(V),与所述光电检测器模块(10)的输入端电连接,用于给所述光电检测器模块(10)提供电压源;模拟前端集成电路(20),与所述光电检测器模块(10)的输出端电连接,用于将所述电信号(i~i)转换为数字信号(DATA~DATA),且包括光电增益失配矫正模块(21)和多个模拟前端信号处理电路(22),所述光电增益失配矫正模块(21)的每个输出端分别与每个所述模拟前端信号处理电路(22)对应电连。本发明采用光电检测器反向偏置电压矫正方法,有效消除光电检测器由于像元光电增益不匹配所造成回波强度信号检测误差。
20 CN111596280A
一种面阵式激光雷达光路系统及激光雷达
Public
Publication/Patent Number: CN111596280A Publication Date: 2020-08-28 Application Number: 202010395751.3 Filing Date: 2020-05-12 Inventor: 谭旭军   樊瑞琳   李黎   Assignee: 湖南拉曼科技有限公司   IPC: G01S7/481 Abstract: 本发明公开了一种面阵式激光雷达光路系统,包括:阵列式发射模块,所述阵列式发射模块包括多个按阵列布置的激光二极管,多个所述激光二极管输出的激光束组成激光束面阵;阵列式接收模块,所述阵列式发射模块包括多个按阵列布置的雪崩光电二极管;透镜模组,设置在所述阵列式发射模块与所述阵列式发射模块之间以用于约束激光束的传输。本技术方案通过将发射与接收端皆设计成面阵式发射和面阵式接收,实了现发射组件、接收组件高度集成,简化生产工艺,提高光调效率,从而降低产品成本;并且,相比线阵发射,面阵式发射可大大提高激光雷达的扫描分辨率,兼顾水平与垂直方向的聚焦性能,使得正焦效果更佳。