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    LiDAR DEVICE AND METHOD OF OPERATING THE SAME
    11.
    发明申请
    LiDAR DEVICE AND METHOD OF OPERATING THE SAME 有权

    公开(公告)号：US20210208258A1

    公开(公告)日：2021-07-08

    申请号：US16921427

    申请日：2020-07-06

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Jungwoo KIM ,  Tatsuhiro OTSUKA ,  Yongchul CHO

    IPC: G01S7/4865 ,  G01S7/481 ,  G01S17/10

    Abstract: Provided is a light detection and ranging (LiDAR) device including a light transmitter including a plurality of light sources, each of the plurality of light sources being configured to emit light toward an object, a light receiver including a plurality of light detection elements, each of the plurality of light detection elements being configured to detect reflected light reflected from the object that is irradiated with the light emitted by the plurality of light sources, and the light receiver being configured to remove crosstalk from second detection information output by at least one light detection element of the plurality of light detection elements based on first detection information output by any one of remaining light detection elements of the plurality of light detection elements, and a processor configured to obtain information on the object based on the second detection information with the crosstalk removed.

    LIDAR DEVICE AND OPERATING METHOD THEREOF
    15.
    发明公开
    LIDAR DEVICE AND OPERATING METHOD THEREOF 审中-公开

    公开(公告)号：US20240085537A1

    公开(公告)日：2024-03-14

    申请号：US18174910

    申请日：2023-02-27

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Tatsuhiro OTSUKA

    IPC: G01S7/487 ,  G01S7/4865

    CPC classification number: G01S7/4873 ,  G01S7/4865 ,  G01S17/10

    Abstract: A light detection and ranging (LiDAR) device includes a laser light irradiator configured to irradiate a pulsed laser light towards an object, a laser light receiver configured to detect a pulsed laser reflected light signal based on receiving the pulsed laser light reflected from the object, a signal analyzer configured to determine whether the pulsed laser reflected light signal is a low signal to noise ratio (SNR) signal based on comparing a level of the pulsed laser reflected light signal with a reference signal level, and a processor configured to, in response to a determination that the pulsed laser reflected light signal is the low SNR signal, adjust a dynamic range of an analog-to-digital converter (ADC) to sample the pulsed laser reflected light signal.

    OPTICAL DEVICE AND LIDAR SYSTEM INCLUDING THE SAME
    16.
    发明申请
    OPTICAL DEVICE AND LIDAR SYSTEM INCLUDING THE SAME 有权

    公开(公告)号：US20210109222A1

    公开(公告)日：2021-04-15

    申请号：US16843387

    申请日：2020-04-08

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Yongchul CHO ,  Jungwoo KIM ,  Tatsuhiro OTSUKA

    IPC: G01S17/88 ,  G01S7/481 ,  G02B27/30 ,  G02B26/10

    Abstract: An optical device according to an embodiment may include: a plurality of light sources configured to emit laser beams; a light direction changing unit comprising at least one of a prism and a mirror, provided on traveling paths of the laser beams, and configured to focus the laser beams at one point by changing travelling directions of the laser beams to form constant angles between the traveling paths of the laser beams; and a scanning mirror configured to perform two-dimensional scanning by reflecting the laser beams received from the light direction changing unit.

    LIDAR SYSTEM AND METHOD OF DRIVING THE SAME
    17.
    发明申请
    LIDAR SYSTEM AND METHOD OF DRIVING THE SAME 审中-公开

    公开(公告)号：US20190219675A1

    公开(公告)日：2019-07-18

    申请号：US16034033

    申请日：2018-07-12

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Heesun YOON ,  Inoh HWANG ,  Tatsuhiro OTSUKA

    IPC: G01S7/481 ,  G01S7/497

    CPC classification number: G01S7/4817 ,  G01S7/497

    Abstract: Provided is a light detection and ranging (LiDAR) system including: a light source; a beam steering device configured to steer light emitted from the light source toward an object; a light detector configured to detect light reflected from the object; and a processor. The beam steering device may include an optical phased array, including a plurality of channels, and a signal input unit which applies a plurality of driving signals to the plurality of channels. The processor is configured to perform an optimization operation including analyzing the light detected by the light detector, calculating at least one correction value, and controlling the plurality of driving signals according to the at least one correction value, in order to correct an error of the beam steering device.

    COLOR REGISTRATION SENSOR FOR IMAGE FORMING APPARATUS, METHOD OF DETECTING REGISTRATION TEST PATTERNS BY USING THE COLOR REGISTRATION SENSOR, AND IMAGE FORMING APPARATUS INCLUDING THE COLOR REGISTRATION SENSOR
    20.
    发明申请
    COLOR REGISTRATION SENSOR FOR IMAGE FORMING APPARATUS, METHOD OF DETECTING REGISTRATION TEST PATTERNS BY USING THE COLOR REGISTRATION SENSOR, AND IMAGE FORMING APPARATUS INCLUDING THE COLOR REGISTRATION SENSOR 审中-公开
    用于图像形成装置的颜色注册传感器，使用颜色注册传感器检测注册测试模式的方法，以及包括彩色注册传感器的图像形成装置

    公开(公告)号：US20130164048A1

    公开(公告)日：2013-06-27

    申请号：US13721242

    申请日：2012-12-20

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Tatsuhiro OTSUKA ,  Ki-hwan Kwon ,  Soon-cheol Kweon ,  Dong-woo Ha

    IPC: G03G15/01

    CPC classification number: G03G15/5025 ,  G03G15/0173 ,  G03G15/5058 ,  G03G2215/0161

    Abstract: A color registration sensor of an image forming apparatus, and a method of detecting registration test patterns of a plurality of colors formed on a transfer medium, by using the color registration sensor. The color registration sensor detects a current generated by an electric force of a charged toner forming registration test patterns by using an electrode, as the registration test patterns of a plurality of colors formed on the transfer medium approach the color registration sensor, and detects a location of each of the registration test patterns of the plurality of colors by using a voltage signal obtained by converting the detected current.

    Abstract translation: 图像形成装置的颜色配准传感器，以及通过使用颜色配准传感器来检测在转印介质上形成的多种颜色的配准测试图案的方法。 颜色配准传感器通过使用电极来检测由带电调色剂形成配准测试图案的电力产生的电流，因为形成在转印介质上的多种颜色的配准测试图案接近颜色配准传感器，并检测位置 通过使用通过转换所检测的电流而获得的电压信号来确定多种颜色的每个登记测试图案。

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