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公开(公告)号：US20210157351A1
公开(公告)日：2021-05-27
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
IPC: G05F3/22
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：US20210074313A1
公开(公告)日：2021-03-11
申请号：US16952339
申请日：2020-11-19
Applicant: Samsung Electronics Co., Ltd.
Inventor： Cheheung KIM , Sungchan KANG , Sangha PARK , Yongseop YOON , Choongho RHEE , Hyeokki HONG
IPC: G10L21/0388 , H03G5/16 , G10L21/0232
Abstract: Sound signal processing apparatuses and methods of operating the same are provided. The sound signal processing apparatus includes: a band separator configured to separate sound signals into frequency bands; an adder configured to add sound signals; and a signal processor that is arranged between the band separator and the adder and comprises a plurality of signal processing blocks. The band separator includes elements for separating the sound signals into frequency bands, and the elements correspond one to one to the signal processing blocks.
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公开(公告)号：US20190174244A1
公开(公告)日：2019-06-06
申请号：US16162795
申请日：2018-10-17
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：US20190028799A1
公开(公告)日：2019-01-24
申请号：US15823881
申请日：2017-11-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sangha PARK , Sungchan KANG , Cheheung KIM , Yongseop YOON , Choongho RHEE , Hyeokki HONG
CPC classification number: H04R1/245 , G06F17/14 , H04R1/28 , H04R1/2807 , H04R3/005 , H04R7/08 , H04R9/18 , H04R11/14 , H04R17/025 , H04R17/10 , H04R29/006 , H04R2201/003 , H04R2440/03
Abstract: A signal processing method of an audio sensing device is provided. The audio sensing device includes a plurality of resonators, at least some of the plurality of resonators having different frequency bands. The method includes setting a plurality of time frames corresponding to the plurality of resonators, and calculating a sound feature for each of the plurality of time frames, the sound feature being calculated based on an audio signal detected by each of the plurality of the resonators, wherein the plurality of time frames are set independently for each of the frequency bands, and at least some of the plurality of time frames are set to have different time intervals.
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公开(公告)号：US20220268624A1
公开(公告)日：2022-08-25
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
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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Patent Agency Ranking
公开(公告)号：US20220240006A1
公开(公告)日：2022-07-28
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：US20220166391A1
公开(公告)日：2022-05-26
申请号：US17322222
申请日：2021-05-17
Inventor： Hyeokki HONG , Jihun LEE , Gyuhyeong CHO , Cheheung KIM , Hyunwook KANG
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：US20220060814A1
公开(公告)日：2022-02-24
申请号：US17152292
申请日：2021-01-19
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sungchan KANG , Cheheung KIM , Yongseop YOON , Hyeokki HONG
Abstract: Provided is a directional acoustic sensor. The acoustic sensor includes a support a plurality of resonators provided on the support, and extending in a length direction. Each resonator of the plurality of resonators may include a base; and a frame provided on the base and extending continuously along a length of the base in the length direction. The base may have a thickness less than that of the frame.
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公开(公告)号：US20190200119A1
公开(公告)日：2019-06-27
申请号：US16127565
申请日：2018-09-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sungchan KANG , Cheheung KIM , Sangha PARK , Yongseop YOON , Choongho RHEE , Hyeokki HONG
Abstract: A directional microphone is provided which includes a substrate having a cavity that penetrates therethrough, a resonator array of at least one resonator, and a cover member. Each of the resonator array and the cover member covers covering at least a part of the cavity.
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公开(公告)号：US20190033904A1
公开(公告)日：2019-01-31
申请号：US15869605
申请日：2018-01-12
Applicant: Samsung Electronics Co, Ltd.
Inventor： Hyeokki HONG , Cheheung Kim , Sungchan Kang , Jinmyoung Kim , Sangha Park , Yongseop Yoon , Choongho Rhee
IPC: G05F3/08
CPC classification number: G05F3/08 , H03K19/0019
Abstract: An integrated circuit includes a highest class core circuit that has a positive power supply terminal connected to a positive power supply terminal of an external power source, and is configured to receive a first supply voltage which is at least a portion of a an input supply voltage that is provided from the external power source based on an operation throughput; and a lowest class core circuit that has a positive power supply terminal connected to a negative power supply terminal of an adjacent upper class core circuit, has a negative power supply terminal connected to a negative power supply terminal of the external power source, and is configured to receive a second supply voltage which is at least a portion of a part of the input supply voltage that excludes the first supply voltage.
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