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公开(公告)号:US20190391459A1
公开(公告)日:2019-12-26
申请号:US16190912
申请日:2018-11-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Changgyun SHIN , Dongjae SHIN , Dongsik SHIM , Changbum LEE
Abstract: A light steering apparatus is provided including a tunable laser source and a system including the light steering apparatus. The light steering apparatus includes the tunable laser source and a steering device. A plurality of laser beams having optical coherence with each other and output from the tunable laser source are incident onto the steering device, and the steering device includes a plurality of modulation units for beam steering.
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公开(公告)号:US20240192330A1
公开(公告)日:2024-06-13
申请号:US18216114
申请日:2023-06-29
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Woosung KIM , Dongjae SHIN , Eunkyung LEE , Hyunil BYUN , Changbum LEE
IPC: G01S7/481 , G01S7/4911 , G01S7/4912
CPC classification number: G01S7/4817 , G01S7/4911 , G01S7/4918
Abstract: A LIDAR apparatus includes a light source module configured to generate light, an optical transmitter configured to transmit the light generated by the light source module to outside, an optical receiver configured to receive light coming from the outside, an optical detector configured to detect the light received by the optical receiver, and a processor configured to control the operation of each of the light source module and the optical transmitter, wherein the light source module includes a first tunable laser light source configured to emit light in a first wavelength band, a second tunable laser light source configured to emit light in a second wavelength band different from the first wavelength band, and a light selection element configured to select and output one of the lights emitted by the first tunable laser light source and the second tunable laser light source.
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公开(公告)号:US20220334255A1
公开(公告)日:2022-10-20
申请号:US17478391
申请日:2021-09-17
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Dongjae SHIN , Hyunil Byun , Changgyun Shin , Changbum Lee , Inoh Hwang
Abstract: Provided is a light detection and ranging (LiDAR) apparatus including a plurality of switches connected in a binary tree structure, a light source and a photodetector respectively connected to a root switch provided on a root node of the binary tree structure, and a light transmission/reception optical system connected to a plurality of terminal switches provided at a plurality of terminal nodes of the binary tree structure, the light transmission/reception optical system being configured to transmit light to an outside of the LiDAR apparatus or receive light from the outside, wherein the root switch is a 2×2 switch including a first upstream side port, a second upstream side port, a first downstream side port, and a second downstream side port, and wherein the light source is connected to the first upstream side port and the photodetector is connected to the second upstream side port.
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公开(公告)号:US20220210750A1
公开(公告)日:2022-06-30
申请号:US17565350
申请日:2021-12-29
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Taeyang PARK , Dooyoung KIM , Dongjae SHIN , Euichang JUNG
Abstract: According to various embodiments, an electronic device may include: a communication processor, at least one radio frequency integrated circuit (RFIC) connected to the communication processor, and at least one antenna, each of which is connected to the at least one RFIC via at least one radio frequency front-end (RFFE) circuit, and is configured to transmit or receive a signal corresponding to at least one communication network, wherein the communication processor is configured to: identify whether target power corresponding to a primary component carrier (PCC) exceeds maximum transmission power of the electronic device while performing uplink carrier aggregation (CA), and based on identifying that the target power corresponding to the PCC exceeds the maximum transmission power, set a first transmission power of the PCC to a first power less than the maximum transmission power and set a second transmission power of at least one secondary component carrier (SCC) to a second power less than the first power, based on a first spectral efficiency corresponding to the first transmission power of the PCC and a second spectral efficiency corresponding to the second transmission power of the at least one SCC.
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公开(公告)号:US20210199808A1
公开(公告)日:2021-07-01
申请号:US17021546
申请日:2020-09-15
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Dongjae SHIN , Jisan Lee , Hyunil Byun , Changgyun Shin , Inoh Hwang
IPC: G01S17/894 , G01S17/04
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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公开(公告)号:US20180130318A1
公开(公告)日:2018-05-10
申请号:US15807960
申请日:2017-11-09
Applicant: Samsung Electronics Co., Ltd.
Inventor: Dongjae SHIN , Kyungtae KIM , Sun-Kee LEE , Yo-Han LEE , Eun Jung HYUN
Abstract: Disclosed are an apparatus and a method for providing a haptic effect in an electronic device. The electronic device includes at least one sensor, at least one processor, and a memory electrically coupled to the at least one processor, storing instructions executable by the at least one processor. The instructions implement the method, including detecting at least one haptic event related to content output by the electronic device, detecting movement information indicating movement of a haptic providing module electrically coupled to the electronic device, via the at least one sensor, wherein the haptic providing module includes one or more haptic actuators, and selecting at least one haptic actuator of the one or more haptic actuators based on at least one attribute of the at least one haptic event and the detected movement information.
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公开(公告)号:US20180031680A1
公开(公告)日:2018-02-01
申请号:US15436111
申请日:2017-02-17
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Eunkyung LEE , Chilhee CHUNG , Jungwoo KIM , Dongjae SHIN , Byounglyong CHOI , Kyoungho HA
CPC classification number: G01S7/4817 , G01S7/4815 , G01S7/4818 , G01S17/42 , G02B26/10 , G02F1/29 , G02F2001/291 , G02F2203/70
Abstract: Beam steering devices and optical apparatuses including the beam steering devices are provided. A beam steering device includes a light source configured to generate input lights having first different wavelengths, a multiplexer configured to simultaneously receive the generated input lights, and multiplex the received input lights into a multiplexed light, and an optical splitter configured to split the multiplexed light. The beam steering device further includes an optical modulator configured to modulate the split light, and an emitter configured to simultaneously emit output lights having second different wavelengths to different points arranged in a first direction, based on the modulated light.
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公开(公告)号:US20240411024A1
公开(公告)日:2024-12-12
申请号:US18435085
申请日:2024-02-07
Applicant: Samsung Electronics Co., Ltd.
Inventor: Dongjae SHIN , Hyunilo Byun , Changgyun Shin , Bongyong Jang
IPC: G01S17/42 , G01S7/4865 , G01S17/26 , G01S17/931
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.
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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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公开(公告)号:US20230258802A1
公开(公告)日:2023-08-17
申请号:US17976190
申请日:2022-10-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Dongjae SHIN , Hyunil BYUN , Changgyun SHIN , Bongyong JANG
IPC: G01S17/42 , G01S17/931 , G01S17/26 , G01S7/4865
CPC classification number: G01S17/42 , G01S17/931 , G01S17/26 , G01S7/4865
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.
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