IL33065A - Electrocardiographic r-wave detection circuit - Google Patents

Electrocardiographic r-wave detection circuit

Info

Publication number
IL33065A
IL33065A IL33065A IL3306569A IL33065A IL 33065 A IL33065 A IL 33065A IL 33065 A IL33065 A IL 33065A IL 3306569 A IL3306569 A IL 3306569A IL 33065 A IL33065 A IL 33065A
Authority
IL
Israel
Prior art keywords
signal
threshold level
level
peaks
peak
Prior art date
Application number
IL33065A
Other languages
English (en)
Other versions
IL33065A0 (en
Original Assignee
American Optical 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 American Optical Corp filed Critical American Optical Corp
Publication of IL33065A0 publication Critical patent/IL33065A0/xx
Publication of IL33065A publication Critical patent/IL33065A/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/30—Input circuits therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/30—Input circuits therefor
    • A61B5/307—Input circuits therefor specially adapted for particular uses
    • A61B5/308—Input circuits therefor specially adapted for particular uses for electrocardiography [ECG]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/346—Analysis of electrocardiograms
    • A61B5/349—Detecting specific parameters of the electrocardiograph cycle
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/346—Analysis of electrocardiograms
    • A61B5/349—Detecting specific parameters of the electrocardiograph cycle
    • A61B5/352—Detecting R peaks, e.g. for synchronising diagnostic apparatus; Estimating R-R interval

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
IL33065A 1968-12-06 1969-09-25 Electrocardiographic r-wave detection circuit IL33065A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78189668A 1968-12-06 1968-12-06

Publications (2)

Publication Number Publication Date
IL33065A0 IL33065A0 (en) 1969-11-30
IL33065A true IL33065A (en) 1972-10-29

Family

ID=25124302

Family Applications (1)

Application Number Title Priority Date Filing Date
IL33065A IL33065A (en) 1968-12-06 1969-09-25 Electrocardiographic r-wave detection circuit

Country Status (10)

Country Link
US (1) US3590811A (de)
BE (1) BE741897A (de)
CA (1) CA927925A (de)
DE (1) DE1960934B2 (de)
FR (1) FR2025487A1 (de)
GB (1) GB1276116A (de)
IL (1) IL33065A (de)
NL (1) NL6917224A (de)
NO (1) NO128474B (de)
SE (1) SE365396B (de)

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GB1370943A (en) * 1971-03-18 1974-10-16 Nat Res Dev Tatient monitoring systems
US3760100A (en) * 1971-07-30 1973-09-18 Us Army Audio electrocardiogram monitor
JPS526039B2 (de) * 1971-12-17 1977-02-18
US3811428A (en) * 1971-12-30 1974-05-21 Brattle Instr Corp Biological signals monitor
US3811089A (en) * 1972-07-14 1974-05-14 Gen Motors Corp Remote engine tachometer
US3871360A (en) * 1973-07-30 1975-03-18 Brattle Instr Corp Timing biological imaging, measuring, and therapeutic timing systems
US4000461A (en) * 1973-10-04 1976-12-28 Textronix, Inc. R-wave detector
US3915156A (en) * 1974-02-15 1975-10-28 Lafayette Instr Co Inc Polygraph including a cardiograph with dicrotic notch enhancement
US3927663A (en) * 1974-05-02 1975-12-23 Phsiological Electronics Corp Method and apparatus for detecting cardiac arrhythmias
AT357346B (de) * 1975-04-22 1980-07-10 Kretztechnik Gmbh Verfahren zur laufzeitabhaengigen regelung der echoanzeige bei ultraschalluntersuchungen nach dem impuls-echoverfahren
US3998214A (en) * 1975-05-19 1976-12-21 Brondy Laboratories, Inc. Premature ventricular contraction detector and method
US4033335A (en) * 1975-06-12 1977-07-05 Wisconsin Alumni Research Foundation Method and apparatus for multiplexing of physiological sensor signals with gamma ray camera data signals
US4137907A (en) * 1976-12-27 1979-02-06 American Optical Corporation Systolic pressure determining apparatus and process using integration to determine pulse amplitude
US4158859A (en) * 1977-07-25 1979-06-19 Hazeltine Corporation Automatic control of iris and clamping voltage in video signal generator
DE2805482C2 (de) * 1978-02-09 1987-03-05 Hellige Gmbh, 7800 Freiburg Störungssicherer QRS-Detektor mit automatischer Schwellenwertbestimmung
DE2814457C3 (de) * 1978-04-04 1981-10-15 Institutsgemeinschaft Stuttgart e.V., 7000 Stuttgart Vorrichtung zur Erfassung des QRS-Komplexes aus einem elektrischen Herzaktionssignal
US4192318A (en) * 1978-09-13 1980-03-11 Bios Inc. Method and apparatus for locating the QRS portion of an electrocardiographic signal
US4223683A (en) * 1978-10-30 1980-09-23 Bernard Lown Heart beat cumulator
FR2440200A1 (fr) * 1978-11-06 1980-05-30 Medtronic Inc Stimulateur cardiaque
US4240442A (en) * 1979-01-05 1980-12-23 American Optical Corporation Variable threshold R-wave detector
US4248244A (en) * 1979-04-06 1981-02-03 Charnitski Richard D Method for measuring heart beat rate and circuit means for same
US4263919A (en) * 1979-10-12 1981-04-28 Levin Kenneth M Heartbeat detection and artifact discrimination method and apparatus
US4331159A (en) * 1979-12-31 1982-05-25 Pfizer Inc. Electrocardiographic storage system using a rotating film drum
US4393877A (en) * 1981-05-15 1983-07-19 Mieczyslaw Mirowski Heart rate detector
US4411272A (en) * 1981-09-09 1983-10-25 Phelps Sr Jerry A Miniature, battery-powered cathode ray tube display heart monitor
US4537196A (en) * 1981-12-21 1985-08-27 American Home Products Corporation (Del.) Systems and methods for processing physiological signals
US4722351A (en) * 1981-12-21 1988-02-02 American Home Products Corporation Systems and methods for processing physiological signals
US4562846A (en) * 1983-09-15 1986-01-07 Duke University System and process for monitoring myocardial integrity
JPS6145734A (ja) * 1984-08-11 1986-03-05 株式会社アドバンス 心電図ｒ波検出装置
US4934372A (en) * 1985-04-01 1990-06-19 Nellcor Incorporated Method and apparatus for detecting optical pulses
US4928692A (en) * 1985-04-01 1990-05-29 Goodman David E Method and apparatus for detecting optical pulses
US4911167A (en) * 1985-06-07 1990-03-27 Nellcor Incorporated Method and apparatus for detecting optical pulses
US4802486A (en) * 1985-04-01 1989-02-07 Nellcor Incorporated Method and apparatus for detecting optical pulses
USRE35122E (en) * 1985-04-01 1995-12-19 Nellcor Incorporated Method and apparatus for detecting optical pulses
JPH0537268A (ja) * 1991-07-29 1993-02-12 Sony Corp オーデイオ信号のインターフエイス回路
US5259387A (en) * 1991-09-09 1993-11-09 Quinton Instrument Company ECG muscle artifact filter system
US5662688A (en) * 1995-08-14 1997-09-02 Cardiac Pacemakers, Inc. Slow gain control
US5620466A (en) * 1995-08-14 1997-04-15 Cardiac Pacemakers, Inc. Digital AGC using separate gain control and threshold templating
US5658317A (en) * 1995-08-14 1997-08-19 Cardiac Pacemakers, Inc. Threshold templating for digital AGC
US6501990B1 (en) 1999-12-23 2002-12-31 Cardiac Pacemakers, Inc. Extendable and retractable lead having a snap-fit terminal connector
US6463334B1 (en) 1998-11-02 2002-10-08 Cardiac Pacemakers, Inc. Extendable and retractable lead
US6070097A (en) * 1998-12-30 2000-05-30 General Electric Company Method for generating a gating signal for cardiac MRI
US20050059880A1 (en) * 2003-09-11 2005-03-17 Mathias Sanjay George ECG driven image reconstruction for cardiac imaging
KR20060088770A (ko) * 2005-02-02 2006-08-07 삼성전자주식회사 생체신호 측정 장치 및 방법
US20090239708A1 (en) * 2008-03-20 2009-09-24 Holylite Microelectronics Corp. Heart pulse detector with speed control for treadmill
US9078577B2 (en) * 2012-12-06 2015-07-14 Massachusetts Institute Of Technology Circuit for heartbeat detection and beat timing extraction
CN106361325B (zh) * 2016-08-30 2019-03-01 任勇 一种便携式心电仪所测单导联心电图的筛查识别系统
DE102020116723A1 (de) * 2020-06-25 2021-12-30 Infineon Technologies Ag Vorrichtung und verfahren zum erkennen von oszillationen eines geregelten versorgungssignals
CN114366111A (zh) * 2020-10-14 2022-04-19 深圳市华盈泰医疗有限公司 一种用于检测心电的心电监护仪
CN115014408B (zh) * 2021-09-17 2023-08-01 荣耀终端有限公司 电子设备

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3094665A (en) * 1959-04-27 1963-06-18 Raytheon Co Means for the detection of signals in the presence of noise
US3174478A (en) * 1962-03-29 1965-03-23 Beckman Instruments Inc Linear integrating cardiotachometer
US3392307A (en) * 1965-04-12 1968-07-09 Hewlett Packard Co Trigger circuit having a trigger level which varies with applied signal amplitude
DE1247051B (de) * 1965-06-18 1967-08-10 Siemens Ag Schaltungsanordnung zum Ausgleich von Kontrastaenderungen bei der Digitalisierung von Video-Signalen

Also Published As

Publication number Publication date
SE365396B (de) 1974-03-25
NL6917224A (de) 1970-06-09
FR2025487A1 (de) 1970-09-11
GB1276116A (en) 1972-06-01
DE1960934A1 (de) 1970-09-10
IL33065A0 (en) 1969-11-30
CA927925A (en) 1973-06-05
US3590811A (en) 1971-07-06
DE1960934B2 (de) 1980-03-06
BE741897A (de) 1970-05-04
NO128474B (de) 1973-11-26

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