ES8704343A1 - Un aparato para calcular la frecuencia aparente de ecos de impulsos de ultrasonidos en tejido en una region de interes en un cuerpo. - Google Patents

Un aparato para calcular la frecuencia aparente de ecos de impulsos de ultrasonidos en tejido en una region de interes en un cuerpo.

Info

Publication number
ES8704343A1
ES8704343A1 ES548414A ES548414A ES8704343A1 ES 8704343 A1 ES8704343 A1 ES 8704343A1 ES 548414 A ES548414 A ES 548414A ES 548414 A ES548414 A ES 548414A ES 8704343 A1 ES8704343 A1 ES 8704343A1
Authority
ES
Spain
Prior art keywords
tissue
measuring
frequency shift
ultrasound pulses
apparent frequency
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES548414A
Other languages
English (en)
Other versions
ES548414A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips North America LLC
US Philips Corp
Original Assignee
US Philips Corp
North American Philips Corp
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 US Philips Corp, North American Philips Corp filed Critical US Philips Corp
Publication of ES8704343A1 publication Critical patent/ES8704343A1/es
Publication of ES548414A0 publication Critical patent/ES548414A0/es
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/895—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques characterised by the transmitted frequency spectrum
    • G01S15/8954—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques characterised by the transmitted frequency spectrum using a broad-band spectrum
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52023—Details of receivers
    • G01S7/52025—Details of receivers for pulse systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
    • G01S7/52023—Details of receivers
    • G01S7/52036—Details of receivers using analysis of echo signal for target characterisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

APARATO PARA CALCULAR LA FRECUENCIA APARENTE DE ECOS DE IMPULSOS DE ULTRASONIDOS EN TEJIDOS, EN UNA REGION DE INTERES DENTRO DE UN CUERPO. CONSTA DE UN CIRCUITO DE PUERTA (160) DESTINADO A SELECCIONAR POR PUERTA LA SEÑAL DE LINEA Y A DEJAR PASAR SOLAMENTE LAS PARTES DE LA SEÑAL DE LINEA QUE PRESENTAN LOS ECOS QUE SE ORIGINAN EN LA REGION DE INTERES; DE UN CIRCUITO (170) LIMITADOR PARA CONVERTIR DICHA SEÑAL DE LINEA EN UNA SEÑAL DE TREN DE IMPULSOS CUADRADOS QUE TIENE UN VALOR CERO SIEMPRE QUE EL VOLTAJE INSTANTANEO DE LA SEÑAL DE LINEA SEA IGUAL A CERO O INFERIOR A CERO; Y DE UN CIRCUITO CALCULADOR QUE COMPRENDE UN CIRCUITO INTEGRADOR (180) PARA INTEGRAR EL TREN DE IMPULSOS, UN CONTADOR DE IMPULSOS, UN CIRCUITO MULTIPLICADOR (185) Y UN CIRCUITO DIVISOR (190).
ES548414A 1984-11-02 1985-10-31 Un aparato para calcular la frecuencia aparente de ecos de impulsos de ultrasonidos en tejido en una region de interes en un cuerpo. Expired ES8704343A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/667,925 US4574635A (en) 1984-11-02 1984-11-02 Monitoring of frequency shift of ultrasound pulses in tissue

Publications (2)

Publication Number Publication Date
ES8704343A1 true ES8704343A1 (es) 1987-04-01
ES548414A0 ES548414A0 (es) 1987-04-01

Family

ID=24680234

Family Applications (1)

Application Number Title Priority Date Filing Date
ES548414A Expired ES8704343A1 (es) 1984-11-02 1985-10-31 Un aparato para calcular la frecuencia aparente de ecos de impulsos de ultrasonidos en tejido en una region de interes en un cuerpo.

Country Status (6)

Country Link
US (1) US4574635A (es)
EP (1) EP0181668B1 (es)
JP (1) JPH0649037B2 (es)
DE (1) DE3572220D1 (es)
ES (1) ES8704343A1 (es)
IL (1) IL76898A0 (es)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4873984A (en) * 1986-05-30 1989-10-17 Hewlett-Packard Company Techniques for calculating ultrasonic integrated backscatter using frequency or time domain techniques
FR2616229B1 (fr) * 1987-06-04 1989-12-29 Labo Electronique Physique Echographe ultrasonore utilisant au moins un transducteur piezoelectrique auquel est associe un ecran de phase aleatoire
US4836210A (en) * 1987-06-15 1989-06-06 Fujitsu Limited Ultrasonic analyzer
US5305239A (en) * 1989-10-04 1994-04-19 The Texas A&M University System Ultrasonic non-destructive evaluation of thin specimens
US5448995A (en) * 1994-02-14 1995-09-12 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method and apparatus for non-invasive evaluation of diaphragmatic function
US6113562A (en) 1998-06-01 2000-09-05 Peter M. Bonutti Shoulder orthosis
US6502577B1 (en) 2000-09-18 2003-01-07 Peter M. Bonutti Method for moving finger joints
US6503213B2 (en) 2000-12-01 2003-01-07 Peter M. Bonutti Method of using a neck brace
US6575926B2 (en) 2000-12-15 2003-06-10 Bonutti 2003 Trust-A Myofascial strap
US8066656B2 (en) 2005-10-28 2011-11-29 Bonutti Research, Inc. Range of motion device
US7452342B2 (en) 2004-03-08 2008-11-18 Bonutti Research Inc. Range of motion device
US8012108B2 (en) 2005-08-12 2011-09-06 Bonutti Research, Inc. Range of motion system and method
KR100932472B1 (ko) * 2005-12-28 2009-12-18 주식회사 메디슨 병변조직을 검출하는 초음파 진단 시스템
WO2008097989A2 (en) 2007-02-05 2008-08-14 Bonutti Research Inc. Knee orthosis
US8905950B2 (en) 2008-03-04 2014-12-09 Bonutti Research, Inc. Shoulder ROM orthosis
WO2012002420A1 (ja) 2010-06-30 2012-01-05 富士フイルム株式会社 超音波診断装置及び超音波診断方法
CN102970937B (zh) 2010-06-30 2015-07-08 富士胶片株式会社 超声诊断装置和超声诊断方法
ES2878225T3 (es) * 2010-10-19 2021-11-18 St Reproductive Tech Llc Un método de supervisión de un animal
KR101630761B1 (ko) 2012-09-24 2016-06-15 삼성전자주식회사 초음파 장치 및 초음파 장치의 정보 제공 방법
US9402759B2 (en) 2013-02-05 2016-08-02 Bonutti Research, Inc. Cervical traction systems and method
CN111247451B (zh) 2017-09-19 2023-11-10 皇家飞利浦有限公司 用于测量声学衰减系数的超声系统和方法
US11609219B2 (en) * 2019-08-01 2023-03-21 Evoqua Water Technologies Llc Continuous sonic wave analyzer

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3280937A (en) * 1961-06-01 1966-10-25 Jr Lawrence P Faber Apparatus for measuring the frequency of acoustical energy
CH531179A (de) * 1971-05-10 1972-11-30 Bbc Brown Boveri & Cie Verfahren und Einrichtung zur Messung der Frequenz von einem einen bestimmten, einstellbaren Pegel überschreitenden elektrischen Signal
US4016750B1 (en) * 1975-11-06 1994-04-05 Stanford Research Inst Ultrasonic imaging method and apparatus
JPS5855850A (ja) * 1981-09-30 1983-04-02 Fujitsu Ltd 反射超音波による媒体特性測定方法
US4442713A (en) * 1982-03-09 1984-04-17 Sri International Frequency varied ultrasonic imaging array
US4441368A (en) * 1982-04-19 1984-04-10 General Electric Company Method and means for determining ultrasonic wave attenuation in tissue
EP0092191A3 (en) * 1982-04-19 1984-05-23 General Electric Company Method and means for determining ultrasonic wave attenuation in tissue
US4475397A (en) * 1982-07-19 1984-10-09 General Electric Company Method and means for attaining ultrasonic attenuation by vector sample averaging
US4534221A (en) * 1982-09-27 1985-08-13 Technicare Corporation Ultrasonic diagnostic imaging systems for varying depths of field
US4534359A (en) * 1982-12-02 1985-08-13 General Electric Company Method and means for determining frequency selective tissue attenuation in a baseband ultrasonic imaging system
US4515163A (en) * 1984-03-02 1985-05-07 General Electric Company Method and a means for determining ultrasonic wave attenuation in tissue using zero crossing detector functioning within a specified frequency band

Also Published As

Publication number Publication date
EP0181668B1 (en) 1989-08-09
JPS61109555A (ja) 1986-05-28
IL76898A0 (en) 1986-02-28
US4574635A (en) 1986-03-11
DE3572220D1 (en) 1989-09-14
EP0181668A1 (en) 1986-05-21
JPH0649037B2 (ja) 1994-06-29
ES548414A0 (es) 1987-04-01

Similar Documents

Publication Publication Date Title
ES8704343A1 (es) Un aparato para calcular la frecuencia aparente de ecos de impulsos de ultrasonidos en tejido en una region de interes en un cuerpo.
EP0147955B1 (en) Ultrasonic non-linear parameter measuring system
US5315880A (en) Method for measuring fluid velocity by measuring the Doppler frequency shift or microwave signals
SE9001340D0 (sv) Ultrasound method and apparatus foer examining dense tissues in particular
ATE77489T1 (de) Ultraschallwindmesser.
WO1987007494A1 (en) Apparatus for evaluating bone conditions by ultrasound
ATE70636T1 (de) Verfahren und vorrichtung zur bestimmung einer gewebecharakteristik mit hilfe der reflektion breitbandiger untraschallpulse, uebertragung des echofrequenzspektrums in den hoerbereich und diagnostik mittels des gehoers.
ES489802A1 (es) Perfeccionamientos en dispositivos para la medicion no inva-siva de la velocidad del flujo sanguineo
JPH0414024B2 (es)
DE3068806D1 (en) Signal processing equipment for ultrasonic visualisation
EP0885593A3 (en) Ultrasonic diagnosing apparatus
EP0221409A3 (en) Pulse centroid echo method and apparatus for enhanced sound velocity estimation in vivo
JPS5570761A (en) Ultrasonic wave distance meter
JPS6485635A (en) Method and apparatus for high-speed estimation of specific property in human body
Borodziński et al. Quantitative transcutaneous measurements of blood flow in carotid artery by means of pulse and continuous wave Doppler methods
EP0204310A3 (en) Method of measuring the frequency of a wave
JPS54127183A (en) Display method of echo signal of ultrasonic wave diagnosis device
JPS5515018A (en) Detection method of tissue anisotropy of rolled steel material
JPS56124072A (en) Optical wave distance measurement instrument
JPH0348789A (ja) Ｃｗドプラ装置
SU1393400A1 (ru) Способ локализации объектов внутри глаза
JPS5421372A (en) Measuring apparatus of bead cut shapes of inside surface of pipes
Trudinger et al. Fetal breathing movements—A comparison of hard copy records produced by M-mode and Doppler ultrasound
JPS5391793A (en) Abnormality judgement method of surface wave method ultrasonic probe
JPS641957A (en) Measurement of thickness of scale in pipe

Legal Events

Date Code Title Description
MM4A Patent lapsed

Effective date: 19960506