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公开(公告)号：WO2019172983A1
公开(公告)日：2019-09-12
申请号：PCT/US2018/067436
申请日：2018-12-24
Applicant: APPLE INC.
Inventor： SUTTON, Andrew J. , SHPUNT, Alexander , GERSON, Yuval
IPC: G01S7/481
Abstract: An optical device (10) includes a laser light source (12) configured to emit a collimated beam (28) of light, and a scanning mirror (16), which is configured to reflect and scan the beam of light over a predefined angular range. The optical device further includes a volume holographic grating, VHG (14), which is positioned to receive and reflect the collimated beam emitted by the laser light source toward the scanning mirror by Bragg reflection at a predefined Bragg-angle, while transmitting the beam reflected from the scanning mirror over a part of the angular range that is outside a cone containing the Bragg-angle. Preferably, the optical device includes a detector (33), which is configured to receive and sense the light that is returned from a scene through the VHG (14) onto the scanning mirror (16), such that the returned light reflected by the scanning mirror (16) reflects from the VHG (14) by Bragg reflection toward the detector (33). Preferably, the optical device includes control circuitry (18), which is coupled to drive the laser light source (12) and the scanning mirror (16) and to receive a signal output by the detector (33) in response to the reflected light impinging on the detector (33), and which is configured to map the scene responsively to the signal. Preferably, the collimated beam (28) of light includes pulses of light, and the control circuitry (18) is configured to determine a distance to the target scene responsively to a time-of-flight of the pulses. An optical scanner projects and scans a beam from a light source across a one-or two-dimensional angular space. In a case where the optical scanner is used in a LiDAR-system, the beam is projected to a target scene, and the beam reflected from the scene is received by the scanner and forwarded to a radiation detector adjacent to the light source. A compact scanning device is provided with on-axis illumination and a low optical power loss.
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公开(公告)号：WO2018039249A1
公开(公告)日：2018-03-01
申请号：PCT/US2017/048042
申请日：2017-08-22
Applicant: APPLE INC.
Inventor： UPTON, Robert S. , KAKANI, Chandra S. , SHPUNT, Alexander , GERSON, Yuval
CPC classification number: G01S17/88 , G01S7/4812 , G01S7/4815 , G01S7/4816 , G01S17/87 , G01S17/89 , G02B9/60 , G02B13/14 , G02B13/16 , G02B13/22
Abstract: Optical systems that may, for example, be used in light ranging and detection (LiDAR) applications, for example in systems that implement combining laser pulse transmission in LiDAR and that include dual transmit and receive systems. Receiver components of a dual receiver system in LiDAR applications may include a medium range (50 meters or less) receiver optical system with a medium entrance pupil and small F-number and with a medium to wide field of view. The optical system may utilize optical filters, scanning mirrors, and a nominal one-dimensional SPAD (or SPADs) to increase the probability of positive photon events.
Abstract translation: 例如，可以在光测距和检测（LiDAR）应用中使用的光学系统，例如在实现在LiDAR中实现组合激光脉冲传输并包括双发射和接收系统的系统中。 LiDAR应用中的双接收器系统的接收器组件可包括中等范围（50米或更小）的接收器光学系统，具有中等入瞳和小F值以及中等到宽视场。 光学系统可以使用光学滤波器，扫描镜和标称一维SPAD（或SPAD）来增加正性光子事件的概率。
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公开(公告)号：WO2017176410A1
公开(公告)日：2017-10-12
申请号：PCT/US2017/021018
申请日：2017-03-07
Applicant: APPLE INC.
Inventor： SHPUNT, Alexander , GERSON, Yuval
CPC classification number: G01S17/89 , G01S7/4817 , G01S17/42
Abstract: Apparatus for mapping includes an illumination assembly (123), which projects a line (122) of radiation extending in a first direction across a scene. A detection assembly (145) receives the radiation reflected from the scene within a sensing area (148) that contains at least a part of the line of the radiation, and includes a linear array (54, 136) of detector elements (56) and objective optics (52, 146), which focus the reflected radiation from the sensing area onto the linear array. A scanning mirror (46, 138) scans the line of radiation and the sensing area together over the scene in a second direction, which is perpendicular to the first direction. Processing circuitry (64, 66) processes signals output by the detector elements in response to the received radiation in order to construct a three-dimensional (3D) map of an object in the scene.
Abstract translation: 用于映射的设备包括照射组件（123），该照射组件（123）投射沿第一方向延伸越过场景的辐射线（122）。 检测组件（145）接收从包含辐射线的至少一部分的感测区域（148）内的场景反射的辐射，并且包括检测器元件（56）的线性阵列（54,136）和 客观光学器件（52,146），其将来自感测区域的反射辐射聚焦到线性阵列上。 扫描镜（46,138）在垂直于第一方向的第二方向上在场景上一起扫描辐射线和感测区域。 处理电路（64,66）响应于所接收的辐射来处理由探测器元件输出的信号，以便构建场景中的对象的三维（3D）地图。
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公开(公告)号：WO2021034371A1
公开(公告)日：2021-02-25
申请号：PCT/US2020/036718
申请日：2020-06-09
Applicant: APPLE INC.
Inventor： AXELROD, Noel , ERLICH, Raviv , GERSON, Yuval
Abstract: A scanning device (20) includes a planar scanning mirror (28) disposed within a frame (26) and having a reflective upper surface (30). A pair of flexures (34) have respective first ends connected to the frame and respective second ends connected to the mirror at opposing ends of a rotational axis (36) of the mirror. A rotor (38) including a permanent magnet is disposed on the lower surface of the mirror. A stator (24) includes first and second cores (40, 42) disposed in proximity to the rotor on opposing first and second sides of the rotational axis and first and second coils (44, 46) of wire wound respectively on the cores. A drive circuit (50) drives the first and second coils with respective electrical currents including a first component selected so as to control a transverse displacement of the mirror and a second component selected so as to control a rotation of the mirror about the rotational axis.
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公开(公告)号：WO2018034734A1
公开(公告)日：2018-02-22
申请号：PCT/US2017/039162
申请日：2017-06-25
Applicant: APPLE INC.
Inventor： SHPUNT, Alexander , GERSON, Yuval
CPC classification number: H04N13/271 , F16M11/08 , F16M11/18 , F16M11/22 , F16M2200/08 , G01C15/002 , G01S3/789 , G01S7/4812 , G01S7/4817 , G01S17/10 , G01S17/42 , G01S17/89 , G02B26/0816 , G02B26/105 , G03B37/02 , H04N5/23238 , H04N5/332 , H04N13/254 , H04N13/296 , H04N2213/001
Abstract: Scanning apparatus (20, 80) includes a base (22, 82) and a gimbal (52), including a shaft (56) that fits into rotational bearings (58) in the base and is configured to rotate through 360O about a gimbal axis relative to the base. A mirror assembly (60), fixed to the gimbal, includes a mirror (50), which is positioned on the gimbal axis and is configured to rotate about a mirror axis perpendicular to the gimbal axis. A transmitter (40) directs pulses of optical radiation toward the mirror, which directs the optical radiation toward a scene. A receiver (66) receives, via the mirror, the optical radiation reflected from the scene and outputs signals in response to the received radiation. Control circuitry (34) drives the gimbal to rotate about the gimbal axis and the mirror to rotate about the mirror axis, and processes the signals output by the receiver in order to generate a three-dimensional map of the scanned area.
Abstract translation: 扫描设备（20,80）包括基座（22,82）和万向节（52），万向节包括轴（56），所述轴（56）配合到基座中的旋转轴承（58）中并且被配置 围绕万向轴相对于基座旋转360°。 固定到万向节的反射镜组件（60）包括反射镜（50），该反射镜定位在万向节轴上并且构造成围绕垂直于万向节轴线的反射镜轴旋转。 发射器（40）将光辐射脉冲导向反射镜，该反射镜将光辐射引向场景。 接收器（66）经由反射镜接收从场景反射的光辐射并响应于接收到的辐射输出信号。 控制电路（34）驱动万向架围绕万向轴和镜子旋转以围绕镜轴旋转，并且处理由接收器输出的信号以生成扫描区域的三维地图。
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Patent Agency Ranking
公开(公告)号：EP3224650A1
公开(公告)日：2017-10-04
申请号：EP15788293.7
申请日：2015-10-20
Applicant: Apple Inc.
Inventor： SHPUNT, Alexander , GERSON, Yuval
CPC classification number: G01S17/89 , G01S7/4817 , G01S17/10 , G02B26/101 , G02B26/105
Abstract: A scanning device (20) includes a scanner (22), which includes a base (32) and a gimbal (28), mounted within the base so as to rotate relative to the base about a first axis of rotation. A transmit mirror (24) and at least one receive mirror (26) are mounted within the gimbal so as to rotate in mutual synchronization about respective second axes, which are parallel to one another and perpendicular to the first axis. A transmitter (36) emits a beam including pulses of light toward the transmit mirror, which reflects the beam so that the scanner scans the beam over a scene. A receiver (44) receives, by reflection from the at least one receive mirror, the light reflected from the scene and generates an output indicative of the time of flight of the pulses to and from points in the scene.
Abstract translation: 扫描装置包括扫描仪，该扫描仪包括基座和万向节，该基座和万向节安装在基座内以便相对于基座绕第一旋转轴线旋转。 透射反射镜和至少一个接收反射镜安装在万向节内，以便围绕相互平行并垂直于第一轴线的相应的第二轴线相互同步旋转。 发射器向发射镜发射包括光脉冲的光束，该光束反射光束，以便扫描器在场景上扫描光束。 接收器通过从至少一个接收镜的反射接收从场景反射的光并且产生表示脉冲往返于场景中的点的飞行时间的输出。
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公开(公告)号：EP2828833A1
公开(公告)日：2015-01-28
申请号：EP13764401.9
申请日：2013-03-13
Applicant: APPLE INC.
Inventor： CHAYAT, Naftali , GERSON, Yuval
CPC classification number: G01B11/24 , G01S7/4817 , G01S17/10 , G01S17/42 , G01S17/89 , G02B26/085 , G02B26/101 , G02B26/105 , H01L21/50
Abstract: An optical scanning device (64) includes a substrate (68), which is etched to define an array (100) of two or more parallel micromirrors (102) and a support (72) surrounding the micromirrors. Respective spindles (106) connect the micromirrors to the support, thereby defining respective parallel axes of rotation of the micromirrors relative to the support. One or more flexible coupling members (108) are connected to the micromirrors so as to synchronize an oscillation of the micromirrors about the respective axes.
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公开(公告)号：WO2020055675A1
公开(公告)日：2020-03-19
申请号：PCT/US2019/049873
申请日：2019-09-06
Applicant: APPLE INC.
Inventor： HAJATI, Arman , UPTON, Robert, S. , GERSON, Yuval
Abstract: A display system may display image frames. The system may include a scanning mirror and an array of staggered light emitting elements. The light emitting elements may emit image light and collimating optics may direct the light at the scanning mirror, which reflects the image light while rotating about an axis. Control circuitry may selectively activate the light emitting elements across tangential and sagittal axes of the image frame while controlling the scanning mirror to scan across the sagittal axis.
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公开(公告)号：WO2016085587A1
公开(公告)日：2016-06-02
申请号：PCT/US2015/056297
申请日：2015-10-20
Applicant: APPLE INC.
Inventor： SHPUNT, Alexander , GERSON, Yuval
CPC classification number: G01S17/89 , G01S7/4817 , G01S17/10 , G02B26/101 , G02B26/105
Abstract: A scanning device (20) includes a scanner (22), which includes a base (32) and a gimbal (28), mounted within the base so as to rotate relative to the base about a first axis of rotation. A transmit mirror (24) and at least one receive mirror (26) are mounted within the gimbal so as to rotate in mutual synchronization about respective second axes, which are parallel to one another and perpendicular to the first axis. A transmitter (36) emits a beam including pulses of light toward the transmit mirror, which reflects the beam so that the scanner scans the beam over a scene. A receiver (44) receives, by reflection from the at least one receive mirror, the light reflected from the scene and generates an output indicative of the time of flight of the pulses to and from points in the scene.
Abstract translation: 扫描装置（20）包括扫描器（22），扫描器（22）包括基座（32）和万向架（28），平台（28）安装在基座内，以相对于基座围绕第一旋转轴线旋转。 发射镜（24）和至少一个接收镜（26）安装在万向架内，以便相互同步地绕相互平行于第一轴线的第二轴线相互旋转。 发射器（36）发射包括朝向发射镜的光脉冲的光束，其反射光束，使得扫描仪扫描在场景上的光束。 接收器（44）通过来自至少一个接收镜的反射来接收从场景反射的光，并产生指示脉冲到场景中的点的时间的输出。
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公开(公告)号：EP3224650B1
公开(公告)日：2020-11-25
申请号：EP15788293.7
申请日：2015-10-20
Applicant: Apple Inc.
Inventor： SHPUNT, Alexander , GERSON, Yuval
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