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    3D depth point cloud from timing flight of 2D scanned light beam pulses
    2.
    发明授权
    3D depth point cloud from timing flight of 2D scanned light beam pulses 有权
    3D深度点云从2D扫描光束脉冲的定时飞行

    公开(公告)号：US09285477B1

    公开(公告)日：2016-03-15

    申请号：US14160382

    申请日：2014-01-21

    Applicant: Apple Inc.

    Inventor： Scott T. Smith ,  Matthew E. Last ,  Edward A. Valko

    IPC: G01S17/89

    CPC classification number: G01S17/89 ,  G01S7/4817 ,  G01S17/10 ,  G01S17/36 ,  G01S17/42

    Abstract: A light detection and ranging (LIDAR) system has an emitter which produces a sequence of outgoing pulses of coherent collimated light that transmitted in a given direction, a mirror system having a scanning mirror that is positioned to deflect the outgoing pulse sequence towards a scene, and a detector collocated with the emitter and aimed to detect a sequence of incoming pulses being reflections of the outgoing pulses that are returning from said given direction and have been deflected by the scanning mirror. An electronic controller communicates with the emitter and the detector and controls the scanning mirror, so that the outgoing pulses scan the scene and the controller computes a radial distance or depth for each pair of outgoing and incoming pulses and uses the computed radial distance to provide a scanned 3D depth map of objects in the scene. Other embodiments are also described.

    Abstract translation: 光检测和测距（LIDAR）系统具有发射器，其产生沿给定方向传输的相干准直光的输出脉冲序列，镜系统具有扫描镜，定位成将输出脉冲序列偏转到场景， 以及与发射器并置的检测器，目的在于检测输入脉冲序列，作为从所述给定方向返回并被扫描镜偏转的输出脉冲的反射。 电子控制器与发射器和检测器通信并控制扫描镜，使得输出脉冲扫描场景，并且控制器计算每对输出和输入脉冲的径向距离或深度，并使用计算的径向距离来提供 扫描场景中物体的3D深度图。 还描述了其它实施例。

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