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公开(公告)号：US20230254612A1
公开(公告)日：2023-08-10
申请号：US18303228
申请日：2023-04-19
发明人： Hyeokki HONG , Hyunwook KANG , Sungchan KANG , Cheheung KIM
摘要： A multi-function acoustic sensor may include a plate structure having a plurality of open spaces that are spaced apart from each other; a plurality of sensors provided on the plate structure, the plurality of sensors including a plurality of sensor elements respectively provided to overlap the plurality of open spaces; and a case having an inner space in which the plurality of sensors are provided, the case including: a first case surface on which the plurality of sensors are provided, the first case surface having at least one first hole, and a second case surface opposite to the first case surface, the second case surface having at least one second hole, wherein the at least one first hole and the at least one second hole form at least one path along which sound is transmitted and sensed through at least one of the plurality of open spaces of the plate structure.
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公开(公告)号：US20220270613A1
公开(公告)日：2022-08-25
申请号：US17402148
申请日：2021-08-13
发明人： Cheheung KIM , Jaehyung JANG
IPC分类号： G10L17/06
摘要： An electronic device may include: a memory; a sound sensor; and a processor, wherein the processor is configured to: receive, from the sound sensor, sound data including a first piece of data corresponding to a first frequency band and a second piece of data corresponding to a second frequency band different from the first frequency band; receive voice data related to a voice of a registered user from the memory; perform voice identification by comparing the first piece of data and the second piece of data with the voice data related to the voice of the registered user; and determine an output based on a result of the voice identification.
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公开(公告)号：US20200044624A1
公开(公告)日：2020-02-06
申请号：US16597069
申请日：2019-10-09
发明人： Sungchan KANG , Cheheung KIM , Sangha PARK , Yongseop YOON , Choongho RHEE
摘要： 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：US20190028084A1
公开(公告)日：2019-01-24
申请号：US15870546
申请日：2018-01-12
发明人： Yongseop YOON , Sungchan KANG , Cheheung KIM , Sangha PARK , Choongho RHEE , Hyeokki HONG
摘要： Provided are micromechanical resonators and resonator systems including the micromechanical resonators. The micromechanical resonators may each include a supporting beam including a fixed end fixed on a supporting member and a loose end configured to vibrate, and a lumped mass arranged on the loose end, wherein the loose end has a width greater than a width of the fixed end, and a width of the lumped mass is greater than that the width of the fixed end.
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公开(公告)号：US20180130485A1
公开(公告)日：2018-05-10
申请号：US15806863
申请日：2017-11-08
发明人： Sangha PARK , Sungchan KANG , Cheheung KIM , Yongseop YOON , Choongho RHEE
摘要： An auto voice trigger method and an audio analyzer employing the same are provided. The auto voice trigger method includes: receiving a signal by at least one resonator microphone included in an array of a plurality of resonator microphones with different frequency bandwidths; analyzing the received signal and determining whether the received signal is a voice signal; and when it is determined that the received signal is the voice signal, waking up a whole system to receive and analyze a wideband signal.
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公开(公告)号：US20170006385A1
公开(公告)日：2017-01-05
申请号：US15268141
申请日：2016-09-16
发明人： Cheheung KIM
CPC分类号： H04R17/025 , H04R1/245 , H04R7/08 , H04R17/02 , H04R23/006 , H04R29/00
摘要： An audio sensing device having a resonator array and a method of acquiring frequency information using the audio sensing device are provided. The audio sensing device includes a substrate having a cavity formed therein, a membrane provided on the substrate and covering the cavity, and a plurality of resonators provided on the membrane and respectively sensing sound frequencies of different frequency bands.
摘要翻译： 提供了具有谐振器阵列的音频感测装置和使用该音频感测装置获取频率信息的方法。 音频感测装置包括其中形成有空腔的基板，设置在基板上并覆盖空腔的膜，以及设置在膜上并分别感测不同频带的声频的多个谐振器。
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公开(公告)号：US20240213306A1
公开(公告)日：2024-06-27
申请号：US18363045
申请日：2023-08-01
发明人： Sunghyun KIM , Sungchan KANG , Haeryong KIM , Jeonggyu SONG , Cheheung KIM , Jooho LEE
CPC分类号： H01L28/75 , H01G4/008 , H01G4/1209 , H01G4/1218 , H01G4/1236 , H01G4/33 , H01L27/0629 , H01L28/65
摘要： Provided are a capacitor and a semiconductor device including the same. The capacitor includes a first electrode, a dielectric layer over the first electrode, a second electrode between the first electrode and the dielectric layer, and a third electrode over the dielectric layer and in contact with the dielectric layer such that the dielectric layer is between the second electrode and the third electrode. A thermal expansion coefficient of the first electrode may be greater than a thermal expansion coefficient of the dielectric layer, and a work function of the second electrode may be higher than a work function of the first electrode.
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公开(公告)号：US20230152411A1
公开(公告)日：2023-05-18
申请号：US17731742
申请日：2022-04-28
发明人： Sungchan KANG , Cheheung KIM , Choongho RHEE
摘要： A directional acoustic sensor includes: a support including a first support portion and a second support portion that are separated from each other and face each other; a plurality of first resonators extending in a length direction thereof from the first support portion of the support; and a plurality of second resonators extending in the length direction thereof from the second support portion of the support and facing the plurality of first resonators, wherein each first resonator of the plurality of first resonators has a first end, wherein each second resonator of the plurality of second resonators has a second end, and wherein, in a first resonator arrangement of a region where the plurality of first resonators and the plurality of second resonators face each other, the first ends of the plurality of first resonators and the second ends of the plurality of second resonators form an intersecting structure.
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公开(公告)号：US20230121066A1
公开(公告)日：2023-04-20
申请号：US18082977
申请日：2022-12-16
发明人： Cheheung KIM , Jaehyung Jang , Hyeokki Hong
摘要： Disclosed are a voice recognition system and a display device using the same. The disclosed voice recognition system includes a plate structure, a vibration sensor, and a voice recognition device. The plate structure vibrates based on propagation of a voice wave generated from a user, and the vibration sensor is provided in contact with the plate structure to detect the vibration of the plate structure. The voice recognition device recognizes voice of the user by receiving a signal output from the vibration sensor.
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公开(公告)号：US20220173210A1
公开(公告)日：2022-06-02
申请号：US17671040
申请日：2022-02-14
发明人： Hyeokki HONG , Cheheung KIM , Sungchan KANG , Yongseop YOON , Choongho RHEE
IPC分类号： H01L49/02
摘要： A capacitor structure includes at least one first layer and at least one second layer that are alternately stacked. The at least one first layer includes first electrodes and second electrodes alternately arranged in a first direction, and the at least one second layer includes third electrodes and fourth electrodes alternately arranged in a second direction intersecting the first direction, the third electrodes and the fourth electrodes being electrically connected to the first electrodes and the second electrodes. Each of the first electrodes and the second electrodes includes a base portion and branch portions protruding from the base portion, and the third electrodes and the fourth electrodes are arranged side by side to correspond to the branch portions.
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