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    Object detection device and method of operating the same
    2.
    发明授权
    Object detection device and method of operating the same 有权

    公开(公告)号：US11947016B2

    公开(公告)日：2024-04-02

    申请号：US17021546

    申请日：2020-09-15

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Dongjae Shin ,  Jisan Lee ,  Changgyun Shin ,  Inoh Hwang ,  Hyunil Byun

    IPC: G01S17/04 ,  G01S17/894 ,  G01S7/4865

    CPC classification number: G01S17/894 ,  G01S17/04 ,  G01S7/4865

    Abstract: An object detection device may include: a converter configured to convert a transmission signal radiated towards an object into a digital transmission signal and a received signal reflected from the object into a digital received signal, according to a predetermined sampling period; and at least one processor configured to: interpolate between elements of the digital transmission signal and the digital received signal that have the predetermined sampling period, to obtain an interpolated transmission signal and an interpolated received signal; remove noise from each of the interpolated transmission signal and the interpolated received signal; generate a cross-correlation signal between the interpolated transmission signal from which the noise is removed and the interpolated received signal from which the noise is removed; and acquire a three-dimensional (3D) image of the object based on at least one peak value of the cross-correlation signal.

    OPTICAL ISOLATOR AND PHOTONIC INTEGRATED CIRCUIT INCLUDING THE SAME
    4.
    发明公开
    OPTICAL ISOLATOR AND PHOTONIC INTEGRATED CIRCUIT INCLUDING THE SAME 审中-公开

    公开(公告)号：US20230228938A1

    公开(公告)日：2023-07-20

    申请号：US18114772

    申请日：2023-02-27

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Dongjae Shin ,  Hyunil Byun ,  Jinmyoung Kim ,  Changgyun Shin ,  Changbum Lee

    IPC: G02B6/12 ,  G01S7/481 ,  G01S17/88

    CPC classification number: G02B6/12016 ,  G01S7/4818 ,  G01S17/88 ,  G02B2006/12035 ,  G02B2006/12157

    Abstract: Provided is an optical isolator including a semiconductor substrate, an optical attenuator and an optical amplifier aligned with each other on the semiconductor substrate, an input optical waveguide connected to the optical attenuator, and an output optical waveguide connected to the optical amplifier, wherein a gain of the optical amplifier decreases based on an intensity of light incident on the optical amplifier increasing, wherein a first input light incident on the optical attenuator through the input optical waveguide is output as a first output light through the output optical waveguide, and a second input light incident on the optical amplifier through the output optical waveguide is output as a second output light through the input optical waveguide, and wherein when an intensity of the first input light and an intensity of the second input light are equal, an intensity of the first output light is greater than an intensity of the second output light.

    LiDAR apparatus using interrupted continuous wave light
    5.
    发明授权
    LiDAR apparatus using interrupted continuous wave light 有权

    公开(公告)号：US11513226B2

    公开(公告)日：2022-11-29

    申请号：US16886180

    申请日：2020-05-28

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Dongjae Shin ,  Hyunil Byun ,  Changgyun Shin ,  Bongyong Jang

    IPC: G01S17/42 ,  G01S7/4865 ,  G01S17/26 ,  G01S17/931 ,  G01S17/00

    Abstract: A light detection and ranging (LiDAR) apparatus capable of extracting speed information and distance information of objects in front thereof is provided. The LiDAR apparatus includes: a continuous wave light source configured to generate continuous wave light; a beam steering device configured to emit the continuous wave light to an object for a first time and stop emitting the continuous wave light to the object for a second time; a receiver configured to receive the continuous wave light that is reflected from the object to form a reception signal; and a signal processor configured to obtain distance information and speed information about the object based on the reception signal.

    TUNABLE LASER SOURCE AND LIGHT STEERING APPARATUS INCLUDING THE SAME
    6.
    发明申请
    TUNABLE LASER SOURCE AND LIGHT STEERING APPARATUS INCLUDING THE SAME 有权

    公开(公告)号：US20210384693A1

    公开(公告)日：2021-12-09

    申请号：US17095435

    申请日：2020-11-11

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Dongjae Shin ,  Hyunil Byun ,  Changgyun Shin

    IPC: H01S3/067

    Abstract: Provided is a tunable laser source including a plurality of optical waveguides, at least three optical resonators provided between the plurality of optical waveguides and optically coupled to the plurality of optical waveguides, the at least three optical resonators having different lengths, and at least one optical amplifier provided on at least one of the plurality of optical waveguides, wherein a ratio of a first length of a first optical resonator of the at least three optical resonators to a second length of a second optical resonator of the at least three optical resonators is not an integer.

    BURST MODE OPTICAL RECEIVER AND MEMORY SYSTEM USING THE SAME
    7.
    发明申请
    BURST MODE OPTICAL RECEIVER AND MEMORY SYSTEM USING THE SAME 审中-公开
    BURST模式光接收器和使用相同的存储器系统

    公开(公告)号：US20150063831A1

    公开(公告)日：2015-03-05

    申请号：US14312165

    申请日：2014-06-23

    Applicant: Samsung Electronics Co., Ltd.

    Inventor： Amir H. Nejadmalayeri ,  Sunil Parmar ,  Hyunil Byun ,  In Sung Joe

    IPC: H04B10/60 ,  H04B10/2575

    CPC classification number: H04B10/695

    Abstract: A burst mode optical receiver includes a pre-amplifier configured to convert an optical burst mode signal into a voltage signal, a reference controller configured to determine a reference voltage for the voltage signal in response to a mode signal from a host indicating an interval during which the voltage signal is DC balanced, and a main amplifier configured to restore the voltage signal to a data signal based on the reference voltage. Related methods of operation are also discussed.

    Abstract translation: 突发模式光接收器包括：前置放大器，被配置为将光突发模式信号转换成电压信号;参考控制器，被配置为响应于来自主机的模式信号确定电压信号的参考电压， 电压信号是直流平衡的，并且主放大器被配置为基于参考电压将电压信号恢复到数据信号。 还讨论了相关的操作方法。

    LiDAR apparatus having improved signal-to-noise ratio
    8.
    发明授权
    LiDAR apparatus having improved signal-to-noise ratio 有权

    公开(公告)号：US12189032B2

    公开(公告)日：2025-01-07

    申请号：US17135228

    申请日：2020-12-28

    Applicant: SAMSUNG ELECTRONICS CO., LTD.

    Inventor： Hyunil Byun ,  Dongjae Shin ,  Changgyun Shin

    IPC: G01C3/08 ,  G01K13/00 ,  G01S7/481 ,  G01S7/4913 ,  G01S17/58 ,  G01S17/931 ,  G02F1/313

    Abstract: Provided is a light detection and ranging (LiDAR) apparatus including a light source configured to generate light, an optical transmitter configured to emit the light generated by the light source to outside of the LiDAR apparatus, an optical receiver configured to receive light from the outside of the LiDAR apparatus, a resonance-type photodetector configured to selectively amplify and detect light having a same wavelength as a wavelength of light generated by the light source among the light received by the optical receiver, and a processor configured to control the light source and the resonance-type photodetector, wherein the resonance-type photodetector includes a resonator, a phase modulator provided on the resonator and configured to control a phase of light traveling along the resonator based on control of the processor, and an optical detector configured to detect an intensity of the light traveling along the resonator.

    OBJECT DETECTION DEVICE AND METHOD OF OPERATING THE SAME
    9.
    发明公开
    OBJECT DETECTION DEVICE AND METHOD OF OPERATING THE SAME 审中-公开

    公开(公告)号：US20240201385A1

    公开(公告)日：2024-06-20

    申请号：US18591472

    申请日：2024-02-29

    Applicant: SAMSUNG ELECTRONICS CO.,LTD.

    Inventor： Dongjae SHIN ,  Jisan Lee ,  Hyunil Byun ,  Changgyun Shin ,  Inoh Hwang

    IPC: G01S17/894 ,  G01S7/4865 ,  G01S17/04

    CPC classification number: G01S17/894 ,  G01S17/04 ,  G01S7/4865

    Abstract: An object detection device may include: a converter configured to convert a transmission signal radiated towards an object into a digital transmission signal and a received signal reflected from the object into a digital received signal, according to a predetermined sampling period; and at least one processor configured to: interpolate between elements of the digital transmission signal and the digital received signal that have the predetermined sampling period, to obtain an interpolated transmission signal and an interpolated received signal; remove noise from each of the interpolated transmission signal and the interpolated received signal; generate a cross-correlation signal between the interpolated transmission signal from which the noise is removed and the interpolated received signal from which the noise is removed; and acquire a three-dimensional (3D) image of the object based on at least one peak value of the cross-correlation signal.

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