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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：US11694696B2
公开(公告)日：2023-07-04
申请号：US16694333
申请日：2019-11-25
Inventor： Sungchan Kang , Namsoo Kim , Cheheung Kim , Seokwan Chae
Abstract: A method and apparatus for generating a speaker identification neural network include generating a first neural network that is trained to identify a first speaker with respect to a first voice signal in a first environment, generating a second neural network for identifying a second speaker with respect to a second voice signal in a second environment, and generating the speaker identification neural network by training the second neural network based on a teacher-student training model in which the first neural network is set to a teacher neural network and the second neural network is set to a student neural network.
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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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Patent Agency Ranking
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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公开(公告)号：US20200211566A1
公开(公告)日：2020-07-02
申请号：US16544382
申请日：2019-08-19
Inventor： Sungchan Kang , Namsoo Kim , Cheheung Kim , Hyungyong Kim
Abstract: Provided are a method of generating a trained third neural network to recognize a speaker of a noisy speech signal by combining a trained first neural network which is a skip connection-based neural network for removing noise from the noisy speech signal with a trained second neural network for recognizing the speaker of a speech signal, and a neural network device for operating the neural networks.
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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：US09955948B2
公开(公告)日：2018-05-01
申请号：US14728341
申请日：2015-06-02
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sungchan Kang , Byunggil Jeong , Sangha Park , Hyungjae Shin
CPC classification number: A61B8/4444 , A61B2562/166 , B06B1/0292 , H01L2224/48091 , H01L2224/4824 , H01L2224/49433 , H01L2924/00014 , H01L2224/45015 , H01L2924/207 , H01L2224/45099
Abstract: Provided are capacitive micromachined ultrasonic transducer (CMUT) probes that use wire bonding. A CMUT probe includes a CMUT chip which includes a plurality of first electrode pads which are disposed on a first surface thereof, a printed circuit board (PCB) which is disposed on the first surface of the CMUT chip and which is configured to expose the plurality of first electrode pads, a plurality of second electrode pads which are disposed on the PCB and which correspond to respective ones of the plurality of first electrode pads, and a plurality of wires which connect each respective one of the plurality of first electrode pads to the corresponding one of the plurality of second electrode pads.
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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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