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).

  • Publication number: 20190348050
    Abstract: 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: Application
    Filed: December 19, 2017
    Publication date: November 14, 2019
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Cheheung KIM, Sungchan KANG, Sangha PARK, Yongseop YOON, Choongho RHEE
  • Patent number: 10447238
    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.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: October 15, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sungchan Kang, Cheheung Kim, Sangha Park, Yongseop Yoon, Choongho Rhee
  • Patent number: 10356509
    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.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: July 16, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sangha Park, Sungchan Kang, Cheheung Kim, Yongseop Yoon, Choongho Rhee, Hyeokki Hong
  • Publication number: 20190200119
    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.
    Type: Application
    Filed: September 11, 2018
    Publication date: June 27, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sungchan KANG, Cheheung KIM, Sangha PARK, Yongseop YOON, Choongho RHEE, Hyeokki HONG
  • Publication number: 20190174244
    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.
    Type: Application
    Filed: October 17, 2018
    Publication date: June 6, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Cheheung KIM, Sungchan KANG, Yongseop YOON, Choongho RHEE, Sangha PARK, Hyeokki HONG
  • Publication number: 20190156837
    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.
    Type: Application
    Filed: September 18, 2018
    Publication date: May 23, 2019
    Applicants: SAMSUNG ELECTRONICS CO., LTD., SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
    Inventors: Sangha PARK, Namsoo KIM, Hyungyong KIM, Sungchan KANG, Cheheung KIM, Yongseop YOON, Choongho RHEE, Hyeokki HONG
  • Publication number: 20190122690
    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.
    Type: Application
    Filed: May 31, 2018
    Publication date: April 25, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Cheheung KIM, Sungchan KANG, Sangha PARK, Yongseop YOON, Choongho RHEE, Hyeokki HONG
  • Publication number: 20190072635
    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.
    Type: Application
    Filed: February 28, 2018
    Publication date: March 7, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sungchan KANG, Cheheung KIM, Sangha PARK, Yongseop YOON, Choongho RHEE, Hyeokki HONG
  • Publication number: 20190033904
    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.
    Type: Application
    Filed: January 12, 2018
    Publication date: January 31, 2019
    Applicant: Samsung Electronics Co, Ltd.
    Inventors: Hyeokki HONG, Cheheung Kim, Sungchan Kang, Jinmyoung Kim, Sangha Park, Yongseop Yoon, Choongho Rhee
  • Publication number: 20190028084
    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.
    Type: Application
    Filed: January 12, 2018
    Publication date: January 24, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yongseop YOON, Sungchan KANG, Cheheung KIM, Sangha PARK, Choongho RHEE, Hyeokki HONG
  • Publication number: 20190028799
    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.
    Type: Application
    Filed: November 28, 2017
    Publication date: January 24, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sangha PARK, Sungchan KANG, Cheheung KIM, Yongseop YOON, Choongho RHEE, Hyeokki HONG
  • Patent number: 10178472
    Abstract: 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: Grant
    Filed: December 7, 2017
    Date of Patent: January 8, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Choongho Rhee, Sungchan Kang, Cheheung Kim, Sangha Park, Yongseop Yoon, Hyeokki Hong
  • Patent number: 10141007
    Abstract: A sound and vibration spectrum analyzing device includes a plurality of resonators having different center frequencies, the plurality of resonators being configured to acquire a spectrum of sound and vibration. The sound and vibration spectrum analyzing device is configured to analyze the spectrum of sound and vibration, based on a first frequency signal of a first resonance mode and a second frequency signal of a second-order or higher resonance mode of at least some of the plurality of resonators.
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: November 27, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Cheheung Kim, Sungchan Kang, Sangha Park, Yongseop Yoon, Choongho Rhee, Hyeokki Hong
  • Publication number: 20180138886
    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.
    Type: Application
    Filed: April 3, 2017
    Publication date: May 17, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yongseop YOON, Sungchan KANG, Cheheung KIM, Sangha PARK, Choongho RHEE
  • Publication number: 20180131347
    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.
    Type: Application
    Filed: April 20, 2017
    Publication date: May 10, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Choongho RHEE, Sungchan KANG, Cheheung KIM, Sangha PARK, Yongseop YOON
  • Publication number: 20180130485
    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.
    Type: Application
    Filed: November 8, 2017
    Publication date: May 10, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sangha PARK, Sungchan KANG, Cheheung KIM, Yongseop YOON, Choongho RHEE
  • Publication number: 20180097506
    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.
    Type: Application
    Filed: July 7, 2017
    Publication date: April 5, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sungchan KANG, Cheheung KIM, Sangha PARK, Yongseop YOON, Choongho RHEE
  • Publication number: 20180038901
    Abstract: 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: Application
    Filed: March 6, 2017
    Publication date: February 8, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Cheheung KIM, Sungchan KANG, Yongseop YOON, Choongho RHEE