Patents by Inventor Choongho RHEE
Choongho RHEE has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10602261Abstract: 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.Type: GrantFiled: September 11, 2018Date of Patent: March 24, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sungchan Kang, Cheheung Kim, Sangha Park, Yongseop Yoon, Choongho Rhee, Hyeokki Hong
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Patent number: 10594296Abstract: 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.Type: GrantFiled: April 20, 2017Date of Patent: March 17, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Choongho Rhee, Sungchan Kang, Cheheung Kim, Sangha Park, Yongseop Yoon
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Publication number: 20200068302Abstract: Provided are sound direction detection sensors capable of detecting an input direction of sound and electronic apparatuses including the same. A sound direction detection sensor includes a sound inlet receiving input sound, a sound outlet outputting the sound input through the sound inlet, and a plurality of directional vibrators arranged between the sound inlet and the sound outlet in such a manner that at least one directional vibrator selectively reacts based on a direction of the sound input through the sound inlet, wherein a direction perpendicular to a direction of a directional vibrator having a lowest output in magnitude among the plurality of directional vibrators is determined as an input direction of the sound.Type: ApplicationFiled: January 30, 2019Publication date: February 27, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sungchan KANG, Cheheung Kim, Yongseop Yoon, Choongho Rhee
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Patent number: 10566011Abstract: 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.Type: GrantFiled: November 8, 2017Date of Patent: February 18, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sangha Park, Sungchan Kang, Cheheung Kim, Yongseop Yoon, Choongho Rhee
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Patent number: 10564197Abstract: 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.Type: GrantFiled: March 6, 2017Date of Patent: February 18, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Cheheung Kim, Sungchan Kang, Yongseop Yoon, Choongho Rhee
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Publication number: 20200044624Abstract: 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.Type: ApplicationFiled: October 9, 2019Publication date: February 6, 2020Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sungchan KANG, Cheheung KIM, Sangha PARK, Yongseop YOON, Choongho RHEE
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Patent number: 10541670Abstract: 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.Type: GrantFiled: January 12, 2018Date of Patent: January 21, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yongseop Yoon, Sungchan Kang, Cheheung Kim, Sangha Park, Choongho Rhee, Hyeokki Hong
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Patent number: 10528069Abstract: 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.Type: GrantFiled: January 12, 2018Date of Patent: January 7, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Hyeokki Hong, Cheheung Kim, Sungchan Kang, Jinmyoung Kim, Sangha Park, Yongseop Yoon, Choongho Rhee
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Publication number: 20190348050Abstract: 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.Type: ApplicationFiled: December 19, 2017Publication date: November 14, 2019Applicant: Samsung Electronics Co., Ltd.Inventors: Cheheung KIM, Sungchan KANG, Sangha PARK, Yongseop YOON, Choongho RHEE
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Patent number: 10447238Abstract: 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.Type: GrantFiled: July 7, 2017Date of Patent: October 15, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sungchan Kang, Cheheung Kim, Sangha Park, Yongseop Yoon, Choongho Rhee
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Patent number: 10356509Abstract: 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.Type: GrantFiled: November 28, 2017Date of Patent: July 16, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sangha Park, Sungchan Kang, Cheheung Kim, Yongseop Yoon, Choongho Rhee, Hyeokki Hong
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Publication number: 20190200119Abstract: 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.Type: ApplicationFiled: September 11, 2018Publication date: June 27, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sungchan KANG, Cheheung KIM, Sangha PARK, Yongseop YOON, Choongho RHEE, Hyeokki HONG
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Publication number: 20190174244Abstract: 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.Type: ApplicationFiled: October 17, 2018Publication date: June 6, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Cheheung KIM, Sungchan KANG, Yongseop YOON, Choongho RHEE, Sangha PARK, Hyeokki HONG
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Publication number: 20190156837Abstract: 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.Type: ApplicationFiled: September 18, 2018Publication date: May 23, 2019Applicants: SAMSUNG ELECTRONICS CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATIONInventors: Sangha PARK, Namsoo KIM, Hyungyong KIM, Sungchan KANG, Cheheung KIM, Yongseop YOON, Choongho RHEE, Hyeokki HONG
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Publication number: 20190122690Abstract: 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.Type: ApplicationFiled: May 31, 2018Publication date: April 25, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Cheheung KIM, Sungchan KANG, Sangha PARK, Yongseop YOON, Choongho RHEE, Hyeokki HONG
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Publication number: 20190072635Abstract: 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.Type: ApplicationFiled: February 28, 2018Publication date: March 7, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sungchan KANG, Cheheung KIM, Sangha PARK, Yongseop YOON, Choongho RHEE, Hyeokki HONG
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Publication number: 20190033904Abstract: 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.Type: ApplicationFiled: January 12, 2018Publication date: January 31, 2019Applicant: Samsung Electronics Co, Ltd.Inventors: Hyeokki HONG, Cheheung Kim, Sungchan Kang, Jinmyoung Kim, Sangha Park, Yongseop Yoon, Choongho Rhee
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Publication number: 20190028084Abstract: 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.Type: ApplicationFiled: January 12, 2018Publication date: January 24, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Yongseop YOON, Sungchan KANG, Cheheung KIM, Sangha PARK, Choongho RHEE, Hyeokki HONG
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Publication number: 20190028799Abstract: 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.Type: ApplicationFiled: November 28, 2017Publication date: January 24, 2019Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Sangha PARK, Sungchan KANG, Cheheung KIM, Yongseop YOON, Choongho RHEE, Hyeokki HONG
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Patent number: 10178472Abstract: An omnidirectional acoustic sensor is provided. The omnidirectional acoustic sensor includes first, inner resonators connected to an inner circumference of a supporting frame and second, outer resonators connected to an outer circumference of the supporting frame. The first, inner resonators vibrate in a height direction of the supporting frame and the second, outer resonators vibrate in a lateral direction of the supporting frame.Type: GrantFiled: December 7, 2017Date of Patent: January 8, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Choongho Rhee, Sungchan Kang, Cheheung Kim, Sangha Park, Yongseop Yoon, Hyeokki Hong