CA1174733A - Period measurement system - Google Patents

Period measurement system

Info

Publication number
CA1174733A
CA1174733A CA000381973A CA381973A CA1174733A CA 1174733 A CA1174733 A CA 1174733A CA 000381973 A CA000381973 A CA 000381973A CA 381973 A CA381973 A CA 381973A CA 1174733 A CA1174733 A CA 1174733A
Authority
CA
Canada
Prior art keywords
peak
period
biosignal
autocorrelation function
value
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
CA000381973A
Other languages
English (en)
French (fr)
Inventor
Toshinori Hirano
Masakazu Murase
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.)
Terumo Corp
Original Assignee
Terumo 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
Priority claimed from JP9782180A external-priority patent/JPS5722737A/ja
Priority claimed from JP9782080A external-priority patent/JPS5722736A/ja
Application filed by Terumo Corp filed Critical Terumo Corp
Application granted granted Critical
Publication of CA1174733A publication Critical patent/CA1174733A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/43—Detecting, measuring or recording for evaluating the reproductive systems
    • A61B5/4306—Detecting, measuring or recording for evaluating the reproductive systems for evaluating the female reproductive systems, e.g. gynaecological evaluations
    • A61B5/4343—Pregnancy and labour monitoring, e.g. for labour onset detection
    • A61B5/4362—Assessing foetal parameters
    • 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 for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/024—Measuring pulse rate or heart rate
    • A61B5/02411—Measuring pulse rate or heart rate of foetuses
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00—Surgery
    • Y10S128/92—Computer assisted medical diagnostics

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Cardiology (AREA)
  • Pregnancy & Childbirth (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Gynecology & Obstetrics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Pediatric Medicine (AREA)
  • Reproductive Health (AREA)
  • Physiology (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
CA000381973A 1980-07-17 1981-07-17 Period measurement system Expired CA1174733A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP55-97820 1980-07-17
JP9782180A JPS5722737A (en) 1980-07-17 1980-07-17 Cycle measuring system
JP55-97821 1980-07-17
JP9782080A JPS5722736A (en) 1980-07-17 1980-07-17 Cycle measuring system

Publications (1)

Publication Number Publication Date
CA1174733A true CA1174733A (en) 1984-09-18

Family

ID=26438963

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000381973A Expired CA1174733A (en) 1980-07-17 1981-07-17 Period measurement system

Country Status (4)

Country Link
US (1) US4463425A (cg-RX-API-DMAC10.html)
CA (1) CA1174733A (cg-RX-API-DMAC10.html)
DE (1) DE3128171A1 (cg-RX-API-DMAC10.html)
FR (1) FR2495330A1 (cg-RX-API-DMAC10.html)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4562846A (en) * 1983-09-15 1986-01-07 Duke University System and process for monitoring myocardial integrity
US4732157A (en) * 1986-08-18 1988-03-22 Massachusetts Institute Of Technology Method and apparatus for quantifying beat-to-beat variability in physiologic waveforms
DE69030513T2 (de) * 1990-02-15 1997-07-24 Hewlett Packard Gmbh Gerät und Verfahren zur nichtinvasiven Messung der Sauerstoffsättigung
US5241473A (en) * 1990-10-12 1993-08-31 Ken Ishihara Ultrasonic diagnostic apparatus for displaying motion of moving portion by superposing a plurality of differential images
US5558096A (en) * 1995-07-21 1996-09-24 Biochem International, Inc. Blood pulse detection method using autocorrelation
DE69530427T2 (de) * 1995-08-10 2004-03-04 Pentavox Kft. Vorrichtung zum messen der fötalen herzfrequenz
US6115624A (en) * 1997-07-30 2000-09-05 Genesis Technologies, Inc. Multiparameter fetal monitoring device
US7158610B2 (en) * 2003-09-05 2007-01-02 Varian Medical Systems Technologies, Inc. Systems and methods for processing x-ray images
US6973202B2 (en) * 1998-10-23 2005-12-06 Varian Medical Systems Technologies, Inc. Single-camera tracking of an object
US6937696B1 (en) 1998-10-23 2005-08-30 Varian Medical Systems Technologies, Inc. Method and system for predictive physiological gating
US6621889B1 (en) * 1998-10-23 2003-09-16 Varian Medical Systems, Inc. Method and system for predictive physiological gating of radiation therapy
DE69916871T2 (de) 1998-10-23 2005-03-31 Varian Medical Systems Technologies, Inc., Palo Alto Verfahren und system zur physiologischen steuerung von radiotherapie
US6980679B2 (en) * 1998-10-23 2005-12-27 Varian Medical System Technologies, Inc. Method and system for monitoring breathing activity of a subject
US6279579B1 (en) 1998-10-23 2001-08-28 Varian Medical Systems, Inc. Method and system for positioning patients for medical treatment procedures
US6477476B1 (en) * 1999-12-06 2002-11-05 Koninklijke Philips Electronics N.V. Periodic-signal analysis via correlation
US7769430B2 (en) * 2001-06-26 2010-08-03 Varian Medical Systems, Inc. Patient visual instruction techniques for synchronizing breathing with a medical procedure
ES2232223B1 (es) * 2002-03-26 2006-02-16 Osatu, S. Coop. Metodo para la determinacion de la frecuencia de forma de onda de una señal ecg.
US7254502B2 (en) * 2002-08-26 2007-08-07 Infineon Technologies Ag Method and device for detecting period length fluctuations of periodic signals
US7620444B2 (en) 2002-10-05 2009-11-17 General Electric Company Systems and methods for improving usability of images for medical applications
US8571639B2 (en) * 2003-09-05 2013-10-29 Varian Medical Systems, Inc. Systems and methods for gating medical procedures
US20050053267A1 (en) * 2003-09-05 2005-03-10 Varian Medical Systems Technologies, Inc. Systems and methods for tracking moving targets and monitoring object positions
US20060074305A1 (en) * 2004-09-30 2006-04-06 Varian Medical Systems Technologies, Inc. Patient multimedia display
US9119541B2 (en) * 2005-08-30 2015-09-01 Varian Medical Systems, Inc. Eyewear for patient prompting
US20070167847A1 (en) * 2006-01-19 2007-07-19 Guglielmino Michael F Method and device for using a physiological parameter to express evolution
US7953247B2 (en) * 2007-05-21 2011-05-31 Snap-On Incorporated Method and apparatus for wheel alignment
JP5453861B2 (ja) * 2008-03-31 2014-03-26 Ｊｆｅスチール株式会社 周期性欠陥検出装置及びその方法
US20100061596A1 (en) * 2008-09-05 2010-03-11 Varian Medical Systems Technologies, Inc. Video-Based Breathing Monitoring Without Fiducial Tracking
US10667727B2 (en) * 2008-09-05 2020-06-02 Varian Medical Systems, Inc. Systems and methods for determining a state of a patient
JP5516428B2 (ja) 2010-10-14 2014-06-11 株式会社村田製作所 拍動周期算出装置およびこれを備えた生体センサ
CN103429150B (zh) * 2011-03-11 2016-03-16 皇家飞利浦有限公司 用于监测生理信号的监测装置
KR102655669B1 (ko) * 2016-07-20 2024-04-05 삼성전자주식회사 생체신호의 특징 추출 장치 및 방법과, 생체정보 검출 장치
CN112869724B (zh) * 2021-01-19 2022-04-22 西安交通大学 一种基于多通道被动式采集信号的胎儿健康监测仪

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS567592B2 (cg-RX-API-DMAC10.html) * 1974-10-31 1981-02-18
US4054862A (en) * 1975-10-28 1977-10-18 Raytheon Company Ranging system with resolution of correlator ambiguities
US4037151A (en) * 1976-02-27 1977-07-19 Hewlett-Packard Company Apparatus for measuring the period and frequency of a signal
DE2818768C2 (de) * 1978-04-28 1986-07-24 Hewlett-Packard GmbH, 7030 Böblingen Verfahren und Vorrichtung zum Messen der Frequenz bzw. der Periodendauer der Grundschwingung eines annähernd periodischen Eingangssignales
US4239048A (en) * 1979-02-06 1980-12-16 Multitronics Corporation Cardiotachometer using autocorrelation techniques

Also Published As

Publication number Publication date
FR2495330A1 (fr) 1982-06-04
US4463425A (en) 1984-07-31
DE3128171A1 (de) 1982-04-22
FR2495330B1 (cg-RX-API-DMAC10.html) 1985-01-25

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