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公开(公告)号:US11199405B2
公开(公告)日:2021-12-14
申请号:US16860811
申请日:2020-04-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Tatsuhiro Otsuka , Jungwoo Kim , Heesun Yoon , Inoh Hwang
Abstract: Provided is a distance measuring device and a method of measuring a distance. The distance measuring device detects light reflected by an object, generates an electrical signal based on the detected light, detects whether the electrical signal is saturated or not by comparing the electrical signal with a reference value, controls a magnitude of the electrical signal based on whether the signal is saturated, and calculates a distance to the object using the electrical signal.
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公开(公告)号:US11061138B2
公开(公告)日:2021-07-13
申请号:US15983788
申请日:2018-05-18
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Tatsuhiro Otsuka , Jungwoo Kim , Heesun Yoon
IPC: G01S17/10 , G01S7/4865 , G01S7/4863 , G01S17/89
Abstract: Provided are a distance measuring device and a distance measuring method of measuring a distance to an object by amplifying an electrical signal using a gain that varies the level of the electrical signal and detecting a peak of the amplified electrical signal.
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公开(公告)号:US10511826B2
公开(公告)日:2019-12-17
申请号:US15883437
申请日:2018-01-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Myungjae Jeon , Yonghwa Park , Jangwoo You , Heesun Yoon
IPC: G01C3/08 , H04N13/207 , H04N5/232 , H04N13/254 , H04N13/271 , H04N13/296
Abstract: A three-dimensional (3D) image sensor device and an electronic apparatus including the 3D image sensor device are provided. The 3D image sensor device includes: a shutter driver that generates a driving voltage of a sine wave biased with a first bias voltage, from a loss-compensated recycling energy; an optical shutter that varies transmittance of reflective light reflected from a subject, according to the driving voltage, and modulates the reflective light to generate at least two optical modulation signals having different phases; and an image generator that generates 3D image data for the subject which includes depth information calculated based on a phase difference between the at least two optical modulation signals.
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公开(公告)号:US20190353788A1
公开(公告)日:2019-11-21
申请号:US16385243
申请日:2019-04-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Tatsuhiro OTSUKA , Jungwoo Kim , Heesun Yoon
Abstract: Provided is a distance measuring method and device for selecting an optimum peak detection signal from among a plurality of peak detection signals, based on a level of at least one of a plurality of amplified electrical signals, and measuring a distance to an object by using the selected optimum peak detection signal.
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公开(公告)号:US11614524B2
公开(公告)日:2023-03-28
申请号:US17313578
申请日:2021-05-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Inoh Hwang , Dongjae Shin , Jungwoo Kim , Tatsuhiro Otsuka , Heesun Yoon
Abstract: Light detection and ranging (LiDAR) systems and methods of operating the LiDAR systems are provided. The LiDAR system includes a light emitter configured to emit first lights of different wavelengths in a vertical direction and at different scanning angles with respect to a horizontal axis, a lens configured to converge second lights that are reflected from objects on which the first lights are emitted, and a light filter comprising an active-type device configured to adjust a transmission central wavelength of the active-type device to the different wavelengths of the first lights that are emitted from the light emitter. The LiDAR system further includes a controller configured to control an operation of the light emitter and the light filter, and a detector configured to detect light from the light emitter, and obtain information about the objects.
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公开(公告)号:US11112493B2
公开(公告)日:2021-09-07
申请号:US16034033
申请日:2018-07-12
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Heesun Yoon , Inoh Hwang , Tatsuhiro Otsuka
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.
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公开(公告)号:US10830876B2
公开(公告)日:2020-11-10
申请号:US15812492
申请日:2017-11-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Tatsuhiro Otsuka , Jungwoo Kim , Heesun Yoon
IPC: G01S7/48 , G01S7/4861 , G01S17/10 , H03G7/08 , G01S7/4865 , H03G11/02 , G01J1/44
Abstract: Provided are a distance-measuring device and a method thereof. The distance-measuring device detects light reflected by an object and converts the light into electrical signals, outputs a saturation signal equal to or greater than a reference value from among the electrical signals, detects a peak using the saturation signal, and measures a distance to the object using the peak.
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公开(公告)号:US20180121724A1
公开(公告)日:2018-05-03
申请号:US14500674
申请日:2014-09-29
Applicant: Samsung Electronics Co., Ltd.
Inventor: Ilia Ovsiannikov , Yibing (Michelle) Wang , Yong-Hwa Park , Yong-Chul Cho , Heesun Yoon , ChangYoung Park , Dirk Smits
CPC classification number: G06K9/00604 , G06F21/32 , G06K9/00033 , G06K9/00617 , G06K9/4609 , G06T7/586 , G06T2207/20201 , G07C9/00158
Abstract: Exemplary embodiments for a biometric camera system for a mobile device, comprise: a near infrared (NIR) light source on the mobile device that flashes a user of the mobile device with near infrared light during image capture; a biometric camera located on the mobile device offset from the NIR light source, the biometric camera comprising: an extended depth of field (EDOF) imaging lens; a bandpass filter located adjacent to the EDOF imaging lens to reject ambient light during image capture; and an imaging sensor located adjacent the bandpass filter that converts an optical image of an object into an electronic signal for image processing; and a processor configured to receive video images of an iris of a user from the image sensor, and attempt to match the video images of the iris with previously registered images stored in an iris database, wherein if a match is found, the user is authenticated.
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公开(公告)号:US09857877B2
公开(公告)日:2018-01-02
申请号:US14624715
申请日:2015-02-18
Applicant: Samsung Electronics Co., Ltd.
Inventor: Heesun Yoon , Jangwoo You , Myungjae Jeon , Yonghwa Park
IPC: G06F3/01 , G06F1/16 , G06F3/03 , G06F3/042 , G06F3/0488
CPC classification number: G06F3/017 , G06F1/163 , G06F3/0304 , G06F3/0425 , G06F3/04883
Abstract: Provided is an apparatus and method of recognizing a movement of a subject. The apparatus includes a light source configured to emit light to the subject and an image sensor configured to receive light reflected from the subject. The apparatus includes a processor configured to detect a pixel that is receiving the reflected light, the pixel being included in a pixel array of the image sensor. The processor is configured to track the movement of the subject based on a change in a position of the detected pixel.
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公开(公告)号:US09769456B2
公开(公告)日:2017-09-19
申请号:US14699068
申请日:2015-04-29
Applicant: Samsung Electronics Co., Ltd.
Inventor: Jangwoo You , Byunghoon Na , Yonghwa Park , Changyoung Park , Heesun Yoon , Sanghun Lee , Myungjae Jeon
CPC classification number: H04N13/204 , G01S7/4816 , G01S17/023 , G01S17/06 , G01S17/89 , H04N13/254 , H04N13/286 , H04N13/289
Abstract: A depth image measuring camera includes an illumination device configured to irradiate an object with light, and a light-modulating optical system configured to receive the light reflected from the object. The depth image measuring camera includes an image sensor configured to generate an image of the object by receiving light incident on the image sensor that passes through the light-modulating optical system. The light-modulating optical system includes a plurality of lenses having a same optical axis, and an optical modulator configured to operate in two modes for measuring a depth of the object.
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