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公开(公告)号:US10557943B2
公开(公告)日:2020-02-11
申请号:US15682207
申请日:2017-08-21
Applicant: Apple Inc.
Inventor: Robert S. Upton , Chandra S. Kakani , Alexander Shpunt , Yuval Gerson
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.
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公开(公告)号:US20180252914A1
公开(公告)日:2018-09-06
申请号:US15826732
申请日:2017-11-30
Applicant: Apple Inc.
Inventor: Alexander Shpunt , Yuval Gerson
CPC classification number: G02B26/105 , G01S7/4812 , G01S7/4817 , G01S17/42 , G01S17/89 , H02K1/17 , H02K33/02 , H02K33/16
Abstract: Optical apparatus includes a shaft, which is configured to rotate about an axis of the shaft relative to a base. A mirror is fixed to the shaft so that the mirror rotates about the axis. A rotor including a permanent magnet is fixed to rotate with the shaft. A stator is configured to generate a magnetic field having a DC component in a vicinity of the rotor. A torsion spring, extending along the axis, has a first end that is attached to rotate with the shaft and a second end attached to the base.
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公开(公告)号:US20170285325A1
公开(公告)日:2017-10-05
申请号:US15622084
申请日:2017-06-14
Applicant: APPLE INC.
Inventor: Raviv Erlich , Alexander Shpunt , Yuval Gerson
CPC classification number: G02B26/085 , G02B26/0833 , G02B26/101 , G02B26/105
Abstract: A scanning device includes a base containing one or more rotational bearings disposed along a gimbal axis. A gimbal includes a shaft that fits into the rotational bearings so that the gimbal rotates about the gimbal axis relative to the base. A mirror assembly includes a semiconductor substrate, which has been etched and coated to define a support, which is fixed to the gimbal, at least one mirror, contained within the support, and a connecting member connecting the at least one mirror to the support and defining at least one mirror axis, about which the at least one mirror rotates relative to the support.
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公开(公告)号:US20170176596A1
公开(公告)日:2017-06-22
申请号:US15451431
申请日:2017-03-07
Applicant: Apple Inc.
Inventor: Alexander Shpunt , Yuval Gerson
Abstract: Apparatus for mapping includes an illumination assembly, which projects a line of radiation extending in a first direction across a scene. A detection assembly receives the radiation reflected from the scene within a sensing area that contains at least a part of the line of the radiation, and includes a linear array of detector elements and objective optics, which focus the reflected radiation from the sensing area onto the linear array. A scanning mirror 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 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.
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公开(公告)号:US20170153445A1
公开(公告)日:2017-06-01
申请号:US14955060
申请日:2015-12-01
Applicant: APPLE INC.
Inventor: Yuval Gerson , Alexander Shpunt
CPC classification number: G02B26/101 , B81B3/00 , B81B3/007 , B81B2201/033 , B81B2201/034 , B81B2201/047 , B81B2203/0136 , B81B2203/058 , B81B2207/015 , B81C1/00515 , B81C2201/0111 , G01S7/4817 , G01S7/497 , G01S17/10 , G01S17/42 , G01S17/89 , G02B26/0833
Abstract: A scanning device includes a frame, having a central opening, and an array including a plurality of parallel mirrors contained within the central opening of the frame. Hinges respectively connect the mirrors to the frame and define respective, mutually-parallel axes of rotation of the mirrors relative to the frame. A main drive applies a driving force to the array so as to drive an oscillation of the mirrors about the hinges at a resonant frequency of the array. A sensor is configured to detect a discrepancy in a synchronization of the oscillation among the mirrors in the array, and an adjustment circuit applies a corrective signal to at least one of the mirrors in order to alleviate the detected discrepancy.
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公开(公告)号:US09470503B2
公开(公告)日:2016-10-18
申请号:US14552500
申请日:2014-11-25
Applicant: APPLE INC.
Inventor: Yuval Gerson
CPC classification number: G01B7/003 , B81B3/00 , G01B7/18 , G01L1/18 , G01L25/00 , G02B26/0833 , G02B26/0858 , G02B26/101 , G02B26/105
Abstract: Mechanical apparatus includes a base, a moving element, and a hinge, having a first end attached to the moving element. A supporting structure is attached to the base and to the second end of the hinge and has at least a component perpendicular to the hinge so as to translate rotation of the moving element about the hinge into elongation of the component, whereby the moving element rotates about the hinge relative to the base while the supporting structure is deformed as a result of the rotation of the moving element about the hinge. A strain-based rotation sensor is associated with the supporting structure and is configured to provide a signal indicative of the rotation of the moving element responsively to a strain induced due to deformation of the supporting structure as the result of the rotation of the moving element.
Abstract translation: 机械装置包括底座,移动元件和铰链,其具有连接到移动元件的第一端。 支撑结构附接到基部和铰链的第二端,并且至少具有垂直于铰链的部件,以便将移动元件围绕铰链转动到组件的伸长部分,由此移动元件围绕 支撑结构由于移动元件围绕铰链的旋转而变形而相对于基座的铰链。 基于应变的旋转传感器与支撑结构相关联并且被配置为响应于由于移动元件的旋转而由于支撑结构的变形而引起的应变而提供指示移动元件的旋转的信号。
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公开(公告)号:US20160178895A1
公开(公告)日:2016-06-23
申请号:US14599507
申请日:2015-01-18
Applicant: APPLE INC.
Inventor: Yuval Gerson , Naftali Chayat , Noel Axelrod , Alexander Shpunt
CPC classification number: G02B26/101 , B81B2201/04 , B81C1/0015 , B81C2201/013 , G01S7/4817 , G01S17/10 , G01S17/42 , G01S17/89 , G02B26/085
Abstract: A scanning device includes a substrate, which is etched to define an array of two or more parallel rotating members and a gimbal surrounding the rotating members. First hinges connect the gimbal to the substrate and defining a first axis of rotation, about which the gimbal rotates relative to the substrate. Second hinges connect the rotating members to the support and defining respective second, mutually-parallel axes of rotation of the rotating members relative to the support, which are not parallel to the first axis.
Abstract translation: 扫描装置包括被蚀刻以限定两个或更多个平行旋转构件的阵列的基底和围绕旋转构件的万向节。 第一铰链将万向架连接到基板并且限定第一旋转轴线,万向架绕该基板相对于基板旋转。 第二铰链将旋转构件连接到支撑件并且限定旋转构件相对于不平行于第一轴线的支撑件的相应的第二相互平行的旋转轴线。
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公开(公告)号:US20160146939A1
公开(公告)日:2016-05-26
申请号:US14551104
申请日:2014-11-24
Applicant: Apple Inc.
Inventor: Alexander Shpunt , Yuval Gerson
CPC classification number: G01S17/89 , G01S7/4817 , G01S17/10 , G02B26/101 , G02B26/105
Abstract: A scanning device includes a scanner, which includes a base and a gimbal, mounted within the base so as to rotate relative to the base about a first axis of rotation. A transmit mirror and at least one receive mirror 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 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 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: 扫描装置包括扫描器,其包括安装在基座内的基座和万向架,以便围绕第一旋转轴线相对于基座旋转。 发射镜和至少一个接收反射镜安装在万向架内,以便相互同步地绕着彼此平行并垂直于第一轴线的第二轴线旋转。 发射器发射包括朝向发射镜的光脉冲的光束,其反射光束,使得扫描仪在场景上扫描光束。 接收机通过来自至少一个接收镜的反射而接收从场景反射的光,并产生指示脉冲到场景中的点的飞行时间的输出。
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公开(公告)号:US11056032B2
公开(公告)日:2021-07-06
申请号:US16554334
申请日:2019-08-28
Applicant: Apple Inc.
Inventor: Arman Hajati , Robert S. Upton , Yuval Gerson
IPC: G09G5/02 , G09G3/02 , G02B6/42 , G02B26/08 , G02B26/10 , G02B27/30 , G06F3/01 , G02B17/06 , G09G3/34 , G02B27/01 , G02B27/00 , G02B26/12
Abstract: A display system may display image frames. The system may include multiple sets of laser dies. Each set of laser dies may emit a respective set of beams of light to a photonic integrated circuit. Each set of beams may include light in at least three wavelength ranges that include visible and/or infrared wavelengths. Channels in the photonic integrated circuit may receive the sets of beams with a first pitch and may emit the set of beams with a second pitch that is finer than the first pitch and at a given angular separation to tangential and sagittal axis scanning mirrors.
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公开(公告)号:US10908361B2
公开(公告)日:2021-02-02
申请号:US16221523
申请日:2018-12-16
Applicant: APPLE INC.
Inventor: Sebastian Fluegel , Andrew J. Sutton , Bryce T Bradford , Yuval Gerson
IPC: G02B6/35 , G02B26/08 , G01P15/125
Abstract: An apparatus for driving and position sensing in a comb-drive actuator includes a generator, a driver circuit, sensing circuitry, and signal processing circuitry. The generator is configured to apply a sensing-voltage to a first electrode of the comb-drive actuator. The driver circuit is configured to apply a drive-voltage to a second electrode of the comb-drive actuator, having an opposite polarity relative to the first electrode. The sensing circuitry is configured to measure at the second electrode a sensed-waveform resulting from the sensing-voltage applied to the first electrode. The signal processing circuitry is configured to estimate a position of the first electrode relative to the second electrode based on the sensed-waveform.
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