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DE69229994D1 - Gerät und verfahren zur signalverarbeitung - Google Patents

Gerät und verfahren zur signalverarbeitung

Info

Publication number
DE69229994D1
DE69229994D1 DE69229994T DE69229994T DE69229994D1 DE 69229994 D1 DE69229994 D1 DE 69229994D1 DE 69229994 T DE69229994 T DE 69229994T DE 69229994 T DE69229994 T DE 69229994T DE 69229994 D1 DE69229994 D1 DE 69229994D1
Authority
DE
Germany
Prior art keywords
signal processing
relates
present
processing
undesired
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 - Lifetime
Application number
DE69229994T
Other languages
English (en)
Other versions
DE69229994T2 (de
Inventor
Mohamed Diab
Esmaiel Kiani-Azarbayjany
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.)
Masimo Corp
Original Assignee
Masimo 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24672658&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69229994(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Masimo Corp filed Critical Masimo Corp
Publication of DE69229994D1 publication Critical patent/DE69229994D1/de
Application granted granted Critical
Publication of DE69229994T2 publication Critical patent/DE69229994T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/145Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue
    • A61B5/1455Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/14551Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value ; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid or cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/72Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7203Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
    • A61B5/7207Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
    • A61B5/7214Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts using signal cancellation, e.g. based on input of two identical physiological sensors spaced apart, or based on two signals derived from the same sensor, for different optical wavelengths
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/72Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7228Signal modulation applied to the input signal sent to patient or subject; Demodulation to recover the physiological signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/10Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12Neutralising, balancing, or compensation arrangements
    • H04B1/123Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2218/00Aspects of pattern recognition specially adapted for signal processing
    • G06F2218/02Preprocessing
    • G06F2218/04Denoising

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physiology (AREA)
  • Psychiatry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Communication Control (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
  • Complex Calculations (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Noise Elimination (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
DE69229994T 1991-03-07 1992-03-05 Gerät und verfahren zur signalverarbeitung Expired - Lifetime DE69229994T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US66606091A 1991-03-07 1991-03-07
PCT/US1992/001895 WO1992015955A1 (en) 1991-03-07 1992-03-05 Signal processing apparatus and method

Publications (2)

Publication Number Publication Date
DE69229994D1 true DE69229994D1 (de) 1999-10-21
DE69229994T2 DE69229994T2 (de) 2000-04-27

Family

ID=24672658

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69229994T Expired - Lifetime DE69229994T2 (de) 1991-03-07 1992-03-05 Gerät und verfahren zur signalverarbeitung

Country Status (9)

Country Link
US (8) US5482036A (de)
EP (3) EP0574509B1 (de)
JP (1) JP3363150B2 (de)
AT (1) ATE184716T1 (de)
AU (1) AU658177B2 (de)
CA (1) CA2105682C (de)
DE (1) DE69229994T2 (de)
RU (1) RU2144211C1 (de)
WO (1) WO1992015955A1 (de)

Families Citing this family (888)

* Cited by examiner, † Cited by third party
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USRE38492E1 (en) 2004-04-06
US5482036A (en) 1996-01-09
EP0574509A4 (en) 1996-07-31
ATE184716T1 (de) 1999-10-15
EP1357481A3 (de) 2005-04-27
US6826419B2 (en) 2004-11-30
US5769785A (en) 1998-06-23
AU1536992A (en) 1992-10-06
EP0574509A1 (de) 1993-12-22
EP0930045A2 (de) 1999-07-21
CA2105682C (en) 2003-09-02
US20030097049A1 (en) 2003-05-22
JP3363150B2 (ja) 2003-01-08
EP0930045A3 (de) 1999-10-27
EP1357481A2 (de) 2003-10-29
WO1992015955A1 (en) 1992-09-17
US6501975B2 (en) 2002-12-31
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EP0574509B1 (de) 1999-09-15
US20040204638A1 (en) 2004-10-14
US6206830B1 (en) 2001-03-27
AU658177B2 (en) 1995-04-06
CA2105682A1 (en) 1992-09-08
JPH06507485A (ja) 1994-08-25
US6036642A (en) 2000-03-14
RU2144211C1 (ru) 2000-01-10
US20010029326A1 (en) 2001-10-11

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