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公开(公告)号：US11895922B2
公开(公告)日：2024-02-06
申请号：US17224254
申请日：2021-04-07
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Choongho Rhee , Sungchan Kang , Yongseop Yoon
IPC: H10N30/30 , G01L1/16 , H10N30/082
CPC classification number: H10N30/302 , G01L1/16 , H10N30/082 , H10N30/306
Abstract: An etching method for forming a vertical structure is provided. The etching method may include: positioning a mask on a substrate, wherein the mask includes an opening pattern and a compensation pattern, and the compensation pattern is disposed at a corner of two adjacent sides of the opening pattern and includes a concave compensation pattern that is indented from one of the two adjacent sides; and forming the vertical structure on the substrate through the opening pattern of the mask by a dry etching process.
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公开(公告)号：US11725981B2
公开(公告)日：2023-08-15
申请号：US17740578
申请日：2022-05-10
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sungchan Kang , Cheheung Kim , Choongho Rhee , Hyeokki Hong
IPC: G01H3/00
CPC classification number: G01H3/005
Abstract: Disclosed are a directional acoustic sensor, a method of adjusting directional characteristics using the directional acoustic sensor, and a method of attenuating an acoustic signal in a specific direction using the directional acoustic sensor. The directional acoustic sensor includes a plurality of resonance units arranged to have different directionalities and a signal processor configured to adjust directional characteristics by calculating at least one of a sum of and a difference between outputs of the resonance units. In this state, the signal processor attenuates an acoustic signal in a specific direction by using a plurality of directional characteristics obtained by calculating at least one of the sum of and the difference between the outputs of the resonance units at a certain ratio.
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公开(公告)号：US20220270615A1
公开(公告)日：2022-08-25
申请号：US17741087
申请日：2022-05-10
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Cheheung KIM , Sungchan Kang , Sangha Park , Yongseop Yoon , Choongho Rhee
Abstract: Provided are a method and device for recognizing a speaker by using a resonator. The method of recognizing the speaker includes receiving a plurality of electrical signals corresponding to a speech of the speaker from a plurality of resonators having different resonance bands; obtaining a difference of magnitudes of the plurality of electrical signals; and recognizing the speaker based on the difference of magnitudes of the plurality of electrical signals.
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公开(公告)号：US20210329395A1
公开(公告)日：2021-10-21
申请号：US17320988
申请日：2021-05-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Cheheung KIM , Sungchan Kang , Yongseop Yoon , Choongho Rhee , Sangha Park , Hyeokki Hong
Abstract: Provided are a directional acoustic sensor that detects a direction of sound, a method of detecting a direction of sound, and an electronic device including the directional acoustic sensor. The directional acoustic sensor includes a sound inlet through which a sound is received, a sound outlet through which the sound received through the sound inlet is output, and a plurality of vibration bodies arranged between the sound inlet and the sound outlet, in which one or more of the plurality of vibration bodies selectively react to the sound received by the sound inlet according to a direction of the received sound.
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公开(公告)号：US10823814B2
公开(公告)日：2020-11-03
申请号：US15908116
申请日：2018-02-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sungchan Kang , Cheheung Kim , Sangha Park , Yongseop Yoon , Choongho Rhee , Hyeokki Hong
IPC: G01S3/808 , G10K11/178 , G10K11/36 , G01S3/805
Abstract: Provided is a sound direction detection sensor capable of detecting a direction from which sound is coming by using a multi-resonator array. The disclosed sound direction detection sensor includes two resonator arrays, each including a plurality of resonators having different resonance frequencies. The two resonator arrays have different directivities. Each resonator array serves as an audio sensor, and the sound direction detection sensor detects a direction from which sound is incident, regardless of a distance between audio sensors.
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Patent Agency Ranking
公开(公告)号：US10564197B2
公开(公告)日：2020-02-18
申请号：US15450416
申请日：2017-03-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Cheheung Kim , Sungchan Kang , Yongseop Yoon , Choongho Rhee
IPC: G01P3/42 , G01N29/14 , G01N29/24 , H04R29/00 , H01L41/053 , G01R23/16 , H03H9/24 , G01H3/08 , G01H11/08 , H04R1/24 , H04R17/02 , H04R19/00 , H04R19/04
Abstract: A spectrum analyzer includes: a support substrate; and a plurality of resonators that have center frequencies different from each other, one end of each of the plurality of resonators being fixed to the support substrate. The plurality of resonators are arranged so that an interval between resonators having adjacent center frequencies is secured by a certain value or greater, thus reducing coupling and increasing analysis accuracy.
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公开(公告)号：US12289095B2
公开(公告)日：2025-04-29
申请号：US17327117
申请日：2021-05-21
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sungchan Kang , Cheheung Kim , Sangha Park , Yongseop Yoon , Choongho Rhee
Abstract: A filter system includes a first resonator having a first resonant frequency, and a second resonator having a second resonant frequency different from the first resonant frequency, and electrically connected to the first resonator. A first response characteristic of the first resonator and a second response characteristic of the second resonator with respect to a frequency include a first section in which a first phase of the first resonator is equal to a second phase of the second resonator, and a second section in which the first phase is different from the second phase by 180 degrees. A first electrode of the first resonator is reversely connected to a second electrode of the second resonator.
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公开(公告)号：US11632623B2
公开(公告)日：2023-04-18
申请号：US17717968
申请日：2022-04-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Cheheung Kim , Sungchan Kang , Hyeokki Hong , Hyunwook Kang , Yongseop Yoon , Choongho Rhee
Abstract: A compact directional acoustic sensor having an improved signal-to-noise ratio is disclosed. The disclosed directional acoustic sensor includes a first sensing device configured to generate different output gains based on different input directions of external energy, and configured to generate at least one first output signal having a first polarity based on external energy received from an input direction; a second sensing device configured to generate different output gains based on different input directions of external energy, and configured to generate at least one second output signal having a second polarity, that is different than the first polarity, based on the external energy received from the input direction; and at least one signal processor configured to generate at least one final output signal based on the at least one first output signal and the at least one second output signal.
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公开(公告)号：US11199865B2
公开(公告)日：2021-12-14
申请号：US16887002
申请日：2020-05-29
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyunwook Kang , Cheheung Kim , Hyeokki Hong , Sungchan Kang , Yongseop Yoon , Choongho Rhee
Abstract: A bandgap reference voltage generating circuit includes a first current generator generating a first complementary-to-absolute temperature (CTAT) current and a first proportional-to-absolute temperature (PTAT) current, a second current generator generating a second CTAT current and a second PTAT current, and an output circuit outputting a reference voltage based on a difference between a first voltage based on the first CTAT current and the first PTAT current and a second voltage based on the second CTAT current and the second PTAT current, wherein the first CTAT current is cancelled by the second CTAT current.
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公开(公告)号：US11094329B2
公开(公告)日：2021-08-17
申请号：US16134529
申请日：2018-09-18
Inventor： Sangha Park , Namsoo Kim , Hyungyong Kim , Sungchan Kang , Cheheung Kim , Yongseop Yoon , Choongho Rhee , Hyeokki Hong
IPC: G10L17/00 , G10L17/18 , G06N3/08 , G10L17/06 , G06N3/04 , G10L25/30 , G10L17/02 , G10L17/04 , G10L15/16 , G10L15/02 , G10L15/06
Abstract: Provided are a neural network device and a method of operation thereof. The neural network device for speaker recognition may include: a memory configured to store one or more instructions; and a processor configured to generate a trained second neural network by training a first neural network, for separating a mixed voice signal into individual voice signals by executing the one or more instructions, generate a second neural network by adding at least one layer to the trained first neural network, and generate a trained second neural network by training the second neural network, for separating the mixed voice signal into the individual voice signals and for recognizing a speaker of each of the individual voice signals.
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