Multiplexed LIDAR Transceiver
    2.
    发明申请

    公开(公告)号:US20190331774A1

    公开(公告)日:2019-10-31

    申请号:US15962924

    申请日:2018-04-25

    申请人: Microvision, Inc.

    IPC分类号: G01S7/486 G01S7/481

    摘要: A scanning light detection and ranging (LIDAR) system includes a scanning apparatus that scans laser light pulses sinusoidally in a vertical direction, and quasi-statically through angular extents in a horizontal direction. Multiple light sensors, each with a substantially nonoverlapping field of view, are multiplexed during the scan of the laser light pulses. Multiple scanning LIDAR systems may be combined to increase the effective horizontal angular extents.

    Scanning projector with feedback from border fixture

    公开(公告)号:US10104353B2

    公开(公告)日:2018-10-16

    申请号:US15478951

    申请日:2017-04-04

    申请人: Microvision, Inc.

    摘要: A scanning projector and method is provided that generates a feedback signal from at least one photodetector. In the scanning projector, a scanning mirror is configured to reflect laser light into an image region and an over scanned region. The at least one photodetector is configured to receive a portion of the reflected laser light impacting the over scanned region, and provides the feedback signal responsive to the received portion of light. This feedback signal can then be used to provide precise control of the scanning mirror.

    Laser Scanning Devices and Methods for Extended Range Depth Mapping

    公开(公告)号:US20190212421A1

    公开(公告)日:2019-07-11

    申请号:US15865024

    申请日:2018-01-08

    申请人: Microvision, Inc.

    摘要: Devices and methods are described that provide for scanning surfaces and generating 3-dimensional point clouds that describe the depth of the measured surface at each point. In general, the devices and methods utilize. Specifically, the depth mapping devices and methods utilize multiple receiver channels, with each receiver channel configured to have a different effective sensing range. These multiple receiver channels together provide the depth mapping device with an increased overall effective sensing range. Thus, the depth mapping device can effectively map surfaces that are closer and/or farther than could be mapped using only one receiver channel.

    Scanning Laser Proximity Detection
    9.
    发明申请
    Scanning Laser Proximity Detection 有权
    扫描激光接近检测

    公开(公告)号:US20150116672A1

    公开(公告)日:2015-04-30

    申请号:US14069183

    申请日:2013-10-31

    申请人: Microvision, Inc.

    IPC分类号: G03B21/20 G01V8/10

    摘要: A scanning laser projector detects obstructions in a projector field of view using a proximity detector that detects infrared light at a photodetector. The photodetector is tested with an additional infrared light source. The additional infrared light source may also be used as proximity detector that can detect a local obstruction blocking the photodetector.

    摘要翻译: 扫描激光投影仪使用在光电检测器处检测红外光的接近检测器来检测投影仪视野中的障碍物。 用另外的红外光源测试光电探测器。 附加的红外光源也可以用作接近检测器,其可以检测阻挡光电检测器的局部阻塞物。

    MEMS scan controlled keystone and distortion correction

    公开(公告)号:US10218951B2

    公开(公告)日:2019-02-26

    申请号:US15983508

    申请日:2018-05-18

    申请人: Microvision, Inc.

    IPC分类号: G03B21/14 H04N9/31

    摘要: Briefly, in accordance with one or more embodiments, a MEMS scanned beam projector includes a light source to emit a light beam, a scanning platform to redirect the light beam impinging on the platform, and a display controller to control the light source and the scanning platform to cause the scanning platform to scan the light beam in a vertical direction and a horizontal direction in a scan pattern to project an image onto a projection surface. The display controller is configured to correct for image distortion in the projected image by providing a compensated drive signal to the scanning platform to compensate for the image distortion.