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公开(公告)号：US20230255503A1
公开(公告)日：2023-08-17
申请号：US18136714
申请日：2023-04-19
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dae Geun JANG , Ui Kun KWON , Chang Soon PARK
CPC classification number: A61B5/02125 , A61B5/02416 , A61B5/02007 , A61B5/02116 , A61B5/7207 , A61B2560/0223
Abstract: Provided is an apparatus for non-invasively estimating bio-information by analyzing a pulse waveform. The apparatus for estimating bio-information according to an aspect of the present disclosure includes a processor configured to obtain a first characteristic point from a first pulse wave signal measured by a pulse wave sensor at a calibration time, obtain a second characteristic point from a second pulse wave signal measured by the pulse wave sensor at a bio-information estimation time, based on time information of the obtained first characteristic point, and estimate the bio-information of an object based on the obtained second characteristic point.
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公开(公告)号：US20230190117A1
公开(公告)日：2023-06-22
申请号：US17839688
申请日：2022-06-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chang Soon PARK , Ui Kun KWON , Young Soo KIM , Dae Geun JANG
CPC classification number: A61B5/02116 , A61B5/0261 , A61B5/681 , A61B5/02125
Abstract: An apparatus for estimating blood pressure may include a sensor configured to measure a bio-signal from an object; and a processor configured to: obtain a cardiac output (CO) feature based on the bio-signal; obtain a total peripheral resistance (TPR) feature by combining an amplitude of a propagation wave component and amplitudes of at least two reflection wave components of the bio-signal, in response to a variation of the CO feature at a blood pressure measurement time relative to a calibration time, being within a predetermined range; obtain the TPR feature by combining the amplitude of the propagation wave component and an amplitude of one reflection wave component of the at least two reflection wave components, in response to the variation of the CO feature not being within the predetermined range; and estimate blood pressure based on the CO feature and the TPR feature.
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公开(公告)号：US20230065255A1
公开(公告)日：2023-03-02
申请号：US17984880
申请日：2022-11-10
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chang Soon PARK , Ui Kun KWON , Seung Keun YOON , Dae Geun JANG
IPC: G01D18/00
Abstract: An apparatus for calibration of a bio-information estimation model includes a sensor configured to obtain a bio-signal from an object in a reference interval; a feature extractor, implemented by at least one processor, configure to extract a reference feature value from the bio-signal; and a calibrator, implemented by the at least one processor, configured to determine whether a condition is satisfied based on at least one of the reference feature value and an offset value, and based on determining that the condition is satisfied, configured to calibrate the bio-information estimation model based on the reference feature value and the offset value.
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公开(公告)号：US20210378602A1
公开(公告)日：2021-12-09
申请号：US17410651
申请日：2021-08-24
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Ui Kun KWON , Yunseo KU , Seung Woo NOH , Chang Soon PARK , Seung Keun YOON , Dae Geun JANG
IPC: A61B5/00 , A61B5/029 , A61B5/021 , A61B5/0205
Abstract: A blood pressure estimating apparatus includes a sensor configured to obtain a bio-signal of an object; and a processor configured to extract a first cardiovascular feature and a second cardiovascular feature based on the bio-signal, and estimate blood pressure based on a first changing tendency of the first cardiovascular feature from a first reference level and a second changing tendency of the second cardiovascular feature from a second reference level, the first changing tendency and the second changing tendency being independent from each other.
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公开(公告)号：US20210007615A1
公开(公告)日：2021-01-14
申请号：US16811038
申请日：2020-03-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Dae Geun JANG , Ui Kun KWON , Chang Soon PARK
Abstract: Provided is an apparatus for non-invasively estimating bio-information by analyzing a pulse waveform. The apparatus for estimating bio-information according to an aspect of the present disclosure includes a processor configured to obtain a first characteristic point from a first pulse wave signal measured by a pulse wave sensor at a calibration time, obtain a second characteristic point from a second pulse wave signal measured by the pulse wave sensor at a bio-information estimation time, based on time information of the obtained first characteristic point, and estimate the bio-information of an object based on the obtained second characteristic point.
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Patent Agency Ranking
公开(公告)号：US20200287568A1
公开(公告)日：2020-09-10
申请号：US16884286
申请日：2020-05-27
Applicant: Samsung Electronics Co., Ltd.
Inventor： Chang Soon PARK , Youngsoo KIM , Jaewook SHIM , Young Jun HONG , Hyosun HWANG
IPC: H03M13/27
Abstract: A method and an apparatus for controlling an interleaving depth are provided. The interleaving depth controlling method includes performing a modulo operation on an interleaving depth selected to be less than or equal to a maximum interleaving depth and a total number of codewords to obtain a number of remaining codewords; and comparing the total number of the codewords to the interleaving depth, when the number of the remaining codewords excludes “0”, to control the interleaving depth.
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公开(公告)号：US20200076931A1
公开(公告)日：2020-03-05
申请号：US16677219
申请日：2019-11-07
Applicant: Samsung Electronics Co., Ltd.
Inventor： Chang Soon PARK , Young Jun HONG , Youngsoo KIM , Hyosun HWANG
Abstract: A method of a transmitter transmitting a packet encoded by applying a coding scheme based on a wireless channel environment to a receiver, and a method of the receiver detecting the coding scheme applied to the encoded packet and decoding the packet, in which the transmitter applies a spreading factor corresponding to the coding scheme to a preamble of the packet, and the receiver decodes the packet by detecting the coding scheme using the preamble.
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公开(公告)号：US20200076930A1
公开(公告)日：2020-03-05
申请号：US16677195
申请日：2019-11-07
Applicant: Samsung Electronics Co., Ltd.
Inventor： Chang Soon PARK , Young Jun HONG , Youngsoo KIM , Hyosun HWANG
Abstract: A method of a transmitter transmitting a packet encoded by applying a coding scheme based on a wireless channel environment to a receiver, and a method of the receiver detecting the coding scheme applied to the encoded packet and decoding the packet, in which the transmitter applies a spreading factor corresponding to the coding scheme to a preamble of the packet, and the receiver decodes the packet by detecting the coding scheme using the preamble.
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公开(公告)号：US20190254610A1
公开(公告)日：2019-08-22
申请号：US16273293
申请日：2019-02-12
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chang Soon PARK , Ui Kun KWON , Yunseo KU , Seung Woo NOH , Seung Keun YOON , Dae Geun JANG
Abstract: An apparatus for estimating bio-information may include: a bio-signal acquirer configured to acquire a bio-signal; and a processor configured to extract one or more first feature values from the bio-signal, determine a scale factor based on the first feature values, and to estimate bio-information based on the scale factor and the first feature values.
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公开(公告)号：US20190200932A1
公开(公告)日：2019-07-04
申请号：US16044013
申请日：2018-07-24
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seung Woo NOH , Yunseo KU , Ui Kun KWON , Youn Ho KIM , Chang Soon PARK , Seung Keun YOON , Dae Geun JANG
CPC classification number: A61B5/7207 , A61B5/02007 , A61B5/02116 , A61B5/02416 , A61B5/029 , A61B5/4821 , A61B5/7278 , A61B5/746
Abstract: A bio-information measuring apparatus bio-information measuring method are provided. The bio-information measuring apparatus includes: a pulse wave obtainer configured to obtain a pulse wave signal, and a processor configured to correct a feature of the obtained pulse wave signal based on a variation in an amplitude of the obtained pulse wave signal, and to measure bio-information based on the corrected feature.
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