BR112018000508A2 - sensoriamento de impedância - Google Patents

sensoriamento de impedância

Info

Publication number
BR112018000508A2
BR112018000508A2 BR112018000508A BR112018000508A BR112018000508A2 BR 112018000508 A2 BR112018000508 A2 BR 112018000508A2 BR 112018000508 A BR112018000508 A BR 112018000508A BR 112018000508 A BR112018000508 A BR 112018000508A BR 112018000508 A2 BR112018000508 A2 BR 112018000508A2
Authority
BR
Brazil
Prior art keywords
signal
frequency
amplitude modulated
operable
mixer
Prior art date
Application number
BR112018000508A
Other languages
English (en)
Inventor
Boettcher Baek David
Bernard Lemersal Donald
Lading Lars
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of BR112018000508A2 publication Critical patent/BR112018000508A2/pt

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/725—Details of waveform analysis using specific filters therefor, e.g. Kalman or adaptive filters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/026—Measuring blood flow
    • A61B5/0295—Measuring blood flow using plethysmography, i.e. measuring the variations in the volume of a body part as modified by the circulation of blood therethrough, e.g. impedance plethysmography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0535—Impedance plethysmography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7225—Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A61B2560/0204—Operational features of power management
    • A61B2560/0214—Operational features of power management of power generation or supply
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/04—Arrangements of multiple sensors of the same type
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6825—Hand

Abstract

este pedido de patente de invenção provê sistemas, métodos, e aparelhos para realizar processamento de sinal em aplicações se sensoriamento de impedância e, mais especificamente, para recuperar dados a partir de um sinal modulado em amplitude. em um aspecto, um dispositivo inclui um circuito de sensoriamento operável para sentir um sinal modulado em amplitude tendo uma frequência de transporte. o dispositivo ainda inclui um misturador operável para misturar o sinal modulado em amplitude com um sinal de misturador tendo uma frequência de mistura para prover um sinal de frequência modificada para baixo tendo uma frequência intermediária menor do que a frequência de transporte. o dispositivo ainda inclui um filtro operável para filtrar o sinal de frequência modificada para baixo para fornecer um sinal digital, o sinal digital sendo representativo de um sinal de modulação.
BR112018000508A 2015-07-09 2016-06-13 sensoriamento de impedância BR112018000508A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/795,703 US11471109B2 (en) 2015-07-09 2015-07-09 Methods and devices for recovering data from an amplitude-modulated signal
PCT/US2016/037264 WO2017007574A1 (en) 2015-07-09 2016-06-13 Impedance sensing

Publications (1)

Publication Number Publication Date
BR112018000508A2 true BR112018000508A2 (pt) 2018-09-11

Family

ID=56360478

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018000508A BR112018000508A2 (pt) 2015-07-09 2016-06-13 sensoriamento de impedância

Country Status (7)

Country Link
US (1) US11471109B2 (pt)
EP (1) EP3319506B1 (pt)
JP (2) JP7083250B2 (pt)
KR (1) KR20180027500A (pt)
CN (1) CN107847139B (pt)
BR (1) BR112018000508A2 (pt)
WO (1) WO2017007574A1 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180103915A1 (en) * 2016-10-18 2018-04-19 Alcare Co., Ltd. Operation processing aparatus calculating numerical value representing skin barrier function, equipument, computer readable medium, and method for evaluating skin barrier function
EP3385730A1 (en) * 2017-03-31 2018-10-10 Senxellion GmbH High impedance sensing integrated circuit
CN107565967B (zh) * 2017-09-25 2021-01-01 上海交通大学 基于周期信号混频的信号处理与采样方法
WO2019073756A1 (ja) * 2017-10-13 2019-04-18 ソニー株式会社 生体情報計測装置および生体情報計測システム
KR102513026B1 (ko) * 2018-02-06 2023-03-24 한국전자통신연구원 체성분 분석 시스템
KR20200128924A (ko) 2019-05-07 2020-11-17 삼성전자주식회사 신호 측정 장치 및 방법
TWI712804B (zh) * 2019-09-11 2020-12-11 盛群半導體股份有限公司 阻抗量測裝置
KR20210034311A (ko) 2019-09-20 2021-03-30 삼성전자주식회사 신호 측정 장치 및 신호 측정 방법
CN111281386A (zh) * 2020-03-06 2020-06-16 芯海科技（深圳）股份有限公司 人体阻抗检测电路、芯片、装置以及智能设备
US11448673B2 (en) * 2020-06-01 2022-09-20 Analog Devices International Unlimited Company Reduction of noise in impedance measurement circuits
KR102478292B1 (ko) * 2020-12-21 2022-12-16 주식회사 바이랩 반복적으로 고주파 전류를 주입하거나 전압을 인가하는 동안에 저주파 생체신호를 측정하는 장치 및 그 방법
KR102651909B1 (ko) * 2020-12-28 2024-03-27 한국과학기술원 임피던스 측정 장치 및 임피던스 측정 방법
CN117526585B (zh) * 2024-01-03 2024-03-29 成都市易冲半导体有限公司 一种相位解调电路、无线功率发射端及无线充电系统

Family Cites Families (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4880014A (en) * 1987-08-14 1989-11-14 Zarowitz Barbara J Method for determining therapeutic drug dosage using bioelectrical resistance and reactance measurements
US20010044588A1 (en) * 1996-02-22 2001-11-22 Mault James R. Monitoring system
WO2000024117A1 (en) 1998-10-21 2000-04-27 Parker Vision, Inc. Method and system for down-converting an electromagnetic signal
FI112329B (fi) 2000-07-11 2003-11-28 Metso Paper Inc Sovitelma ilmanpoistimessa ja menetelmä sen toiminnan ohjaamiseksi
US20020111151A1 (en) * 2001-02-15 2002-08-15 Irion Reed A. Block downconverter using a SBAR bandpass filter in a superheterodyne receiver
IL143374A0 (en) * 2001-05-24 2002-04-21 Transscan Medical Ltd Anomaly detection based on signal variations
US7355716B2 (en) * 2002-01-24 2008-04-08 The General Hospital Corporation Apparatus and method for ranging and noise reduction of low coherence interferometry LCI and optical coherence tomography OCT signals by parallel detection of spectral bands
JP2007527750A (ja) * 2004-03-06 2007-10-04 カリスト メディカル，インク． 生体内物質の量的情報を非侵襲的に測定する方法及びデバイス
EP1786322B1 (en) 2004-06-18 2009-10-28 Tallinn University of Technology Simultaneous discrete-time analysis of features of substances
US20060085048A1 (en) * 2004-10-20 2006-04-20 Nervonix, Inc. Algorithms for an active electrode, bioimpedance-based tissue discrimination system
US7667657B2 (en) * 2004-11-30 2010-02-23 Konica Minolta Holdings, Inc. Information processing apparatus
US8311616B2 (en) 2005-05-26 2012-11-13 Yissum Research Development Company Of The Hebrew University Of Jerusalem Method and system for determination of physiological conditions and emotional states of a living organism
WO2006135520A1 (en) * 2005-06-09 2006-12-21 The Regents Of The University Of California Volumetric induction phase shift detection system for determining tissue water content properties
US8059758B2 (en) * 2006-02-10 2011-11-15 Qualcomm, Incorporated Conversion of multiple analog signals in an analog to digital converter
US20070208232A1 (en) * 2006-03-03 2007-09-06 Physiowave Inc. Physiologic monitoring initialization systems and methods
WO2007121756A2 (en) 2006-04-24 2007-11-01 Oü Eliko Tehnoloogia Arenduskeskus Method and device for multichannel multifrequency analysis of an object
US7558622B2 (en) 2006-05-24 2009-07-07 Bao Tran Mesh network stroke monitoring appliance
US9147144B2 (en) 2012-09-28 2015-09-29 General Electric Company Systems and methods for monitoring sensors
US7941213B2 (en) 2006-12-28 2011-05-10 Medtronic, Inc. System and method to evaluate electrode position and spacing
US7385443B1 (en) * 2007-01-31 2008-06-10 Medtronic, Inc. Chopper-stabilized instrumentation amplifier
US9411936B2 (en) * 2007-09-14 2016-08-09 Medtronic Monitoring, Inc. Dynamic pairing of patients to data collection gateways
WO2009042172A2 (en) 2007-09-26 2009-04-02 Medtronic, Inc. Frequency selective monitoring of physiological signals
US8412317B2 (en) 2008-04-18 2013-04-02 Corventis, Inc. Method and apparatus to measure bioelectric impedance of patient tissue
WO2009138093A1 (en) 2008-05-12 2009-11-19 Tallinn University Of Technology Method and device using shortened square wave waveforms in synchronous signal processing
US8467404B2 (en) * 2009-03-31 2013-06-18 Qualcomm Incorporated Enhanced channel detection
US20100246651A1 (en) * 2009-03-31 2010-09-30 Qualcomm Incorporated Packet loss mitigation in transmission of biomedical signals for healthcare and fitness applications
US8355752B2 (en) 2009-07-09 2013-01-15 Qualcomm Incorporated Using LO shifting to prevent a local transceiver from interfering with an FM radio
US8364250B2 (en) 2009-09-15 2013-01-29 Sotera Wireless, Inc. Body-worn vital sign monitor
US8868205B2 (en) * 2010-12-20 2014-10-21 General Electric Company System and method for determining physiological parameters based on electrical impedance measurements
ES2366219B1 (es) 2010-12-24 2012-09-27 Fico Mirrors, S.A. Método y sistema de medida de parámetros fisiológicos.
US9603533B2 (en) * 2011-02-17 2017-03-28 Qualcomm Incorporated Method of and a system for determining a cardiovascular quantity of a mammal
JP2014514054A (ja) * 2011-03-30 2014-06-19 アドミッタンス・テクノロジーズ・インコーポレイテッド 複素電気アドミタンスもしくはインピーダンスを測定するための低電力装置及び方法
EP2701591A2 (en) * 2011-04-28 2014-03-05 Skulpt, Inc. Devices and methods for evaluating tissue
US8548407B2 (en) 2011-08-15 2013-10-01 Delphi Technologies, Inc. Apparatus to communicate multiple signals from multiple antennas on a single cable
ES2401286B1 (es) * 2011-08-30 2014-04-03 Universidad De Extremadura Unidad, sistema modular y procedimiento para la medición, procesamiento y monitorización remota de bioimpedancia eléctrica
WO2013110001A1 (en) * 2012-01-19 2013-07-25 Cerebrotech Medical Systems, Inc. Diagnostic system for detection of fluid changes
US8909188B2 (en) * 2012-10-31 2014-12-09 Cambridge Silicon Radio, Ltd. Mixer
CN102970053B (zh) * 2012-12-17 2015-05-20 中国科学院半导体研究所 一种面向无线传感网应用的低功耗射频收发装置
EP2944253A4 (en) * 2013-01-09 2016-08-24 Timpel Sa METHOD AND APPARATUS FOR ACQUIRING SIGNALS FOR ELECTRICAL IMPEDANCE TOMOGRAPHY
US9521979B2 (en) * 2013-03-15 2016-12-20 Medtronic, Inc. Control of spectral agressors in a physiological signal monitoring device
US9488730B2 (en) * 2013-07-16 2016-11-08 Qualcomm Incorporated Receiver alias rejection improvement by adding an offset
KR102255204B1 (ko) * 2013-08-28 2021-05-24 삼성전자주식회사 재구성 가능한 측정 장치 및 그 장치를 제어하는 방법
US9407379B2 (en) * 2014-10-16 2016-08-02 Qualcomm Incorporated Circuit providing harmonic response rejection for a frequency mixer

Also Published As

Publication number Publication date
CN107847139A (zh) 2018-03-27
JP7280409B2 (ja) 2023-05-23
US11471109B2 (en) 2022-10-18
CN107847139B (zh) 2022-01-04
JP7083250B2 (ja) 2022-06-10
WO2017007574A1 (en) 2017-01-12
EP3319506B1 (en) 2023-03-08
EP3319506A1 (en) 2018-05-16
US20170007186A1 (en) 2017-01-12
JP2022093382A (ja) 2022-06-23
JP2018522637A (ja) 2018-08-16
KR20180027500A (ko) 2018-03-14

Similar Documents

Publication Publication Date Title
BR112018000508A2 (pt) sensoriamento de impedância
MX2016011263A (es) Dispositivo convertidor y sistema que incluye a dispositivo convertidor.
MX2017008687A (es) Gestión de bache de sonido para suministro de contenido.
EA201791300A1 (ru) Флюидные системы, содержащие канал инкубации, включающие в себя флюидные системы, образованные литьевым формованием
BR112019002915A2 (pt) método e dispositivo de comunicação de dados
WO2016043846A3 (en) A general formal concept analysis (fca) framework for classification
GB2519790A8 (en) Configuration of network devices
WO2014164542A3 (en) Social network based filtering of user generated content
BR112017011514A2 (pt) aparelho para monitorar posição de aeronave
Suksaengrakcharoen et al. A new family of generalized gamma distribution and its application
BR112017005191A2 (pt) captura e gerenciamento de informações de tratamento de saúde
BR112017026563A2 (pt) circuito de fecho de resposta
BR112016007143A8 (pt) método, sistema e dispositivo para utilizar canal de guarda usando escalonamento de subportadora individual em um ambiente de comunicação de ofdm
BR112017019760A2 (pt) dispositivos e métodos para facilitar uma sustentação não-ortogonal em sistemas de comunicações sem fios
EP2899953A3 (en) Notification dependent on running applications
Çuvalcioğlu et al. Some properties of intuitionistic fuzzy equivalence relations and class trees wrt intuitionistic fuzzy equivalence relations
Banks The Biological Effects of Microaggressions on African Americans
Rahman et al. Cloud Computing Security Issues and Potential Solution by Using IC Metrics or Biometrics Based Encryption
Rebro RELEVANCE OF BROWSER-SED IN DOCUMENT AND INFORMATION ENSURING THE MANAGEMENT.
Damsgaard et al. From the Guest Editors: Special Issue on" The Business Payoff of Cloud Services".
Brager On the Dynamics of a Two-Parameter Family of Piecewise Linear Maps
Jia-jin et al. Research and Design of Push-Pull Power Electronic Transformer.
山本尚子 An Examination of the Controversy over English Nominal Tautologies
Steedman Robust Semantics for Semantic Parsing
Tu Tracking Patient Belongings to Decrease Cost

Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]