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公开(公告)号:US11942907B2
公开(公告)日:2024-03-26
申请号:US17322222
申请日:2021-05-17
Inventor: Hyeokki Hong , Jihun Lee , Gyuhyeong Cho , Cheheung Kim , Hyunwook Kang
CPC classification number: H03F3/005 , H03F3/45179 , H03F2203/45244
Abstract: The amplifier includes an input circuit configured to convert an input signal into a current; an output circuit comprising at least one switching element for reducing a voltage change of an output end of the input circuit and configured to provide an output signal; and a biasing circuit connected to the at least one switching element to form a feedback loop for reducing the voltage change of the output end of the input circuit.
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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:US20220214211A1
公开(公告)日:2022-07-07
申请号:US17348184
申请日:2021-06-15
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hyunwook Kang , Cheheung Kim , Daehyuk Son , Hyeokki Hong
Abstract: An acoustic sensor assembly includes a non-directional acoustic sensor having a first directional pattern, a plurality of directional acoustic sensors surrounding the non-directional acoustic sensor and including a plurality of resonators having different resonance frequencies from each other, each of the plurality of directional acoustic sensors having a second directional pattern, and a processor configured to obtain output signals from the non-directional acoustic sensor and the plurality of directional acoustic sensors. The processor is further configured to calculate an acoustic signal having directivity by selecting any one or any combination of the obtained output signals or selectively combining the obtained output signals, and obtain sound around the acoustic sensor assembly, using the calculated acoustic signal.
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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:US20210210087A1
公开(公告)日:2021-07-08
申请号:US16920894
申请日:2020-07-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Cheheung KIM , Jaehyung Jang , Hyeokki Hong
Abstract: 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: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:US11955510B2
公开(公告)日:2024-04-09
申请号:US17671040
申请日:2022-02-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Hyeokki Hong , Cheheung Kim , Sungchan Kang , Yongseop Yoon , Choongho Rhee
IPC: H01L49/02
Abstract: 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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公开(公告)号:US11852737B2
公开(公告)日:2023-12-26
申请号:US17745469
申请日:2022-05-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Sungchan Kang , Cheheung Kim , Choongho Rhee , Hyeokki Hong
Abstract: Provided is a directional acoustic sensor including a support member, and a plurality of resonators extending in a longitudinal direction with respect to the support member, wherein each of the plurality of resonators includes a driver configured to move based on an input sound signal, and a sensor configured to sense a capacitance change based on an air gap that changes based on a movement of the driver.
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公开(公告)号:US20220391170A1
公开(公告)日:2022-12-08
申请号:US17741928
申请日:2022-05-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Cheheung Kim , Hyunwook Kang , Hyeokki Hong
Abstract: A signal processing apparatus includes a frequency detector configured to receive a user input including at least one of a vibration input and a user voice, vibrate in response to the received user input, and detect a frequency of the received user input, based on the vibration, and a processor configured to determine a type of the user input received by the frequency detector, based on the frequency detected by the frequency detector, and perform a function corresponding to the user input of the determined type.
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公开(公告)号:US11359960B2
公开(公告)日:2022-06-14
申请号:US16738123
申请日:2020-01-09
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Sungchan Kang , Cheheung Kim , Choongho Rhee , Hyeokki Hong
IPC: G01H3/00
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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