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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
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：US20190028084A1
公开(公告)日：2019-01-24
申请号：US15870546
申请日：2018-01-12
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Yongseop YOON , Sungchan KANG , Cheheung KIM , Sangha PARK , Choongho RHEE , Hyeokki HONG
Abstract: 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
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sangha PARK , Sungchan KANG , Cheheung KIM , Yongseop YOON , Choongho RHEE
Abstract: 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：US20220240005A1
公开(公告)日：2022-07-28
申请号：US17717920
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：US20220086570A1
公开(公告)日：2022-03-17
申请号：US17182911
申请日：2021-02-23
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyunwook KANG , Sungchan KANG , Cheheung KIM , Choongho RHEE , Hyeokki HONG
IPC: H04R17/10 , H01L27/20 , H01L41/113 , H04R17/02
Abstract: Provided is a sensor interface including a first cantilever beam bundle including at least one resonator and a first output terminal, a second cantilever beam bundle including at least one resonator and a second output terminal, and a differential amplifier including a first input terminal electrically connected to the first output terminal of the first cantilever beam bundle and a second input terminal electrically connected to the second output terminal of the second cantilever beam bundle.
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Patent Agency Ranking
公开(公告)号：US20190156837A1
公开(公告)日：2019-05-23
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
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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公开(公告)号：US20190122690A1
公开(公告)日：2019-04-25
申请号：US15994171
申请日：2018-05-31
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Cheheung KIM , Sungchan KANG , Sangha PARK , Yongseop YOON , Choongho RHEE , Hyeokki HONG
IPC: G10L21/0388 , G10L21/0232 , H03G5/16
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：US20180138886A1
公开(公告)日：2018-05-17
申请号：US15477203
申请日：2017-04-03
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Yongseop YOON , Sungchan KANG , Cheheung KIM , Sangha PARK , Choongho RHEE
IPC: H03H9/02 , H03H9/17 , H01L41/047
CPC classification number: H03H9/02244 , G01H1/00 , G01H11/08 , H01L41/047 , H01L41/0477 , H01L41/1136 , H03H9/17 , H03H2009/155
Abstract: A piezoelectric micromechanical resonator includes a supporting beam including a fixed edge that is fixed to a supporting member and a free edge opposite the fixed edge, a piezoelectric sensor including an edge attached to the supporting member, the piezoelectric sensor further including a lower electrode, a piezoelectric unit, and an upper electrode sequentially stacked on a surface of the supporting beam, and a lumped mass provided on the surface of the supporting beam at a side of the supporting beam including the free edge, the upper electrode having a Young's modulus smaller than a Young's modulus of the lower electrode.
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公开(公告)号：US20180131347A1
公开(公告)日：2018-05-10
申请号：US15492494
申请日：2017-04-20
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Choongho RHEE , Sungchan KANG , Cheheung KIM , Sangha PARK , Yongseop YOON
IPC: H03H9/24 , H03H9/02 , H01L41/113 , H01L41/083 , H01L41/187
CPC classification number: H03H9/2405 , H01L41/083 , H01L41/1132 , H01L41/187 , H03H9/02259
Abstract: A multi resonator system is provided including a support substrate and a plurality of multi resonators. Each of the plurality of multi resonators includes a plurality of resonators, and one end of each of the plurality of resonators is fixed to the support substrate. Center frequencies of different ones of the plurality of multi resonators are different from each other, and the plurality of resonators within each individual multi resonator all have a same center frequency.
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公开(公告)号：US20230212001A1
公开(公告)日：2023-07-06
申请号：US17941380
申请日：2022-09-09
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Choongho RHEE , Sungchan KANG , Cheheung KIM , Yongseop YOON
IPC: B81B3/00
CPC classification number: B81B3/0021 , B81B2201/0271 , B81B2203/0118 , B81B2203/0315 , B81B2207/05 , B81B2207/03
Abstract: Provided is a micro electro-mechanical system (MEMS) sensor including a substrate including a first cavity, a first frame including a second cavity at least partially overlapping the first cavity, at least a portion of the first frame being spaced apart from the substrate, a plurality of resonators, each of the plurality of resonators including a first end connected to the first frame and a second end extending into the second cavity, and a second frame including a first region connected to the first frame and a second region spaced apart from the first frame and connected to the substrate.
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