JPS6437933A - Method and apparatus for monitoring respiration rate - Google Patents

Method and apparatus for monitoring respiration rate

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Publication number
JPS6437933A
JPS6437933A JP11802488A JP11802488A JPS6437933A JP S6437933 A JPS6437933 A JP S6437933A JP 11802488 A JP11802488 A JP 11802488A JP 11802488 A JP11802488 A JP 11802488A JP S6437933 A JPS6437933 A JP S6437933A
Authority
JP
Japan
Prior art keywords
waveform
signal
output signal
respiration rate
converter
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.)
Granted
Application number
JP11802488A
Other languages
Japanese (ja)
Other versions
JP2628690B2 (en
Inventor
Kuratsutowaashii Mazaa Buruusu
Kaaru Uintaa Deiin
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.)
KOORIN DENSHI KK
Colin Electronics Co Ltd
Original Assignee
KOORIN DENSHI KK
Colin Electronics Co Ltd
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 KOORIN DENSHI KK, Colin Electronics Co Ltd filed Critical KOORIN DENSHI KK
Publication of JPS6437933A publication Critical patent/JPS6437933A/en
Application granted granted Critical
Publication of JP2628690B2 publication Critical patent/JP2628690B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

PURPOSE:To reduce the influence caused by cardiac sound of a living body or outer noise over an apparatus for monitoring a respiration rate so as to improve the detection precision of the apparatus, by detecting a respiration rate based on a second output signal in response to only respiratory sound. CONSTITUTION:An output signal from a respiratory sound sensor 12 is amplified by an amplifier 14 and is digitized by an A/D converter 18. The output signal of the A/D converter 18, from which the cardiac sound component is eliminated by a band-pass filter 24, is then damped by an attenuation module 26 to obtain a waveform 27. The square root sum of the waveform 27 within a time length of a movable window 28 is calculated to obtain an energy signal y(n), and the mean value y'(n) of the signal y(n) is then calculated at a smoothing filter 30. The energy signal y'(n) is converted to an alternating-current signal y''(n) having a waveform 35 by a direct-current component elimination module 34. In the waveform 35, a series of marks representing the generation of inspiration and expiration are determined by a band zero-crossing detector 38. The respira tion rate is computed from a time period for generating the marks by an arith metic unit 42 and is then displayed by a display 44.
JP63118024A 1987-08-04 1988-05-13 Respiratory rate monitor Expired - Fee Related JP2628690B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US8125087A 1987-08-04 1987-08-04
US81,250 1987-08-04

Publications (2)

Publication Number Publication Date
JPS6437933A true JPS6437933A (en) 1989-02-08
JP2628690B2 JP2628690B2 (en) 1997-07-09

Family

ID=22163023

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63118024A Expired - Fee Related JP2628690B2 (en) 1987-08-04 1988-05-13 Respiratory rate monitor

Country Status (1)

Country Link
JP (1) JP2628690B2 (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08280636A (en) * 1995-04-14 1996-10-29 Agency Of Ind Science & Technol Acceleration heart beat meter
JPH08336508A (en) * 1995-06-09 1996-12-24 Agency Of Ind Science & Technol Detection of respiration
JPH08336509A (en) * 1995-06-09 1996-12-24 Agency Of Ind Science & Technol Detection of respiration
JP2003058191A (en) * 2001-08-10 2003-02-28 Dainippon Printing Co Ltd Frequency analyzing method and encoding method for acoustic signal
JP2007525236A (en) * 2003-04-10 2007-09-06 ヴィヴォメトリクス・インコーポレーテッド Respiratory event detection system and method
JP2008504587A (en) * 2004-06-30 2008-02-14 モトローラ・インコーポレイテッド Method and apparatus for characterizing inhalation noise and calculating parameters based on the characterization
JP2008507316A (en) * 2004-07-23 2008-03-13 インターキュア リミティド Apparatus and method for respiratory pattern determination using a non-contact microphone
JPWO2007094464A1 (en) * 2006-02-16 2009-07-09 国立大学法人山口大学 Cardiopulmonary function measuring device
JP2011104352A (en) * 2009-09-01 2011-06-02 Adidas Ag Method and system for interpretation and analysis of physiological, performance, and contextual information
WO2011148766A1 (en) * 2010-05-26 2011-12-01 Sharp Kabushiki Kaisha Method and system for reliable inspiration-to-expiration ratio extraction from acoustic physiological signal
WO2011148793A1 (en) * 2010-05-28 2011-12-01 Sharp Kabushiki Kaisha Method and system for reliable respiration parameter estimation from acoustic physiological signal
WO2012014907A1 (en) * 2010-07-28 2012-02-02 Sharp Kabushiki Kaisha Linear classification method for determining acoustic physiological signal quality and device for use therein
JP2012125367A (en) * 2010-12-15 2012-07-05 Sony Corp Respiratory signal processing apparatus, respiratory signal processing method, and program
JP2012249730A (en) * 2011-06-01 2012-12-20 Panasonic Corp Lung sound analysis device
JP2017521106A (en) * 2014-05-15 2017-08-03 ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア Multi-sensor physiological monitoring system and method
JP2018050190A (en) * 2016-09-21 2018-03-29 横河電機株式会社 Period detection apparatus and period detection method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9265477B2 (en) * 2011-02-17 2016-02-23 Sharp Laboratories Of America, Inc. Adaptive lightweight acoustic signal classification for physiological monitoring

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5280186A (en) * 1975-12-26 1977-07-05 Toshiba Corp Breath counting device
JPS6179445A (en) * 1984-09-21 1986-04-23 プラズメデイツクス，インコ−ポレ−テツド Respiration detector, respiration speed monitor and physiological rithm function monitor of living body

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5280186A (en) * 1975-12-26 1977-07-05 Toshiba Corp Breath counting device
JPS6179445A (en) * 1984-09-21 1986-04-23 プラズメデイツクス，インコ−ポレ−テツド Respiration detector, respiration speed monitor and physiological rithm function monitor of living body

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08280636A (en) * 1995-04-14 1996-10-29 Agency Of Ind Science & Technol Acceleration heart beat meter
JPH08336508A (en) * 1995-06-09 1996-12-24 Agency Of Ind Science & Technol Detection of respiration
JPH08336509A (en) * 1995-06-09 1996-12-24 Agency Of Ind Science & Technol Detection of respiration
JP2003058191A (en) * 2001-08-10 2003-02-28 Dainippon Printing Co Ltd Frequency analyzing method and encoding method for acoustic signal
JP4832289B2 (en) * 2003-04-10 2011-12-07 アディダス アーゲー Respiratory event detection system and method
JP2007525236A (en) * 2003-04-10 2007-09-06 ヴィヴォメトリクス・インコーポレーテッド Respiratory event detection system and method
JP2008504587A (en) * 2004-06-30 2008-02-14 モトローラ・インコーポレイテッド Method and apparatus for characterizing inhalation noise and calculating parameters based on the characterization
JP2008507316A (en) * 2004-07-23 2008-03-13 インターキュア リミティド Apparatus and method for respiratory pattern determination using a non-contact microphone
JPWO2007094464A1 (en) * 2006-02-16 2009-07-09 国立大学法人山口大学 Cardiopulmonary function measuring device
JP4998896B2 (en) * 2006-02-16 2012-08-15 国立大学法人山口大学 Cardiopulmonary function measuring device
JP2011104352A (en) * 2009-09-01 2011-06-02 Adidas Ag Method and system for interpretation and analysis of physiological, performance, and contextual information
WO2011148766A1 (en) * 2010-05-26 2011-12-01 Sharp Kabushiki Kaisha Method and system for reliable inspiration-to-expiration ratio extraction from acoustic physiological signal
WO2011148793A1 (en) * 2010-05-28 2011-12-01 Sharp Kabushiki Kaisha Method and system for reliable respiration parameter estimation from acoustic physiological signal
WO2012014907A1 (en) * 2010-07-28 2012-02-02 Sharp Kabushiki Kaisha Linear classification method for determining acoustic physiological signal quality and device for use therein
JP2012125367A (en) * 2010-12-15 2012-07-05 Sony Corp Respiratory signal processing apparatus, respiratory signal processing method, and program
JP2012249730A (en) * 2011-06-01 2012-12-20 Panasonic Corp Lung sound analysis device
JP2017521106A (en) * 2014-05-15 2017-08-03 ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア Multi-sensor physiological monitoring system and method
JP2018050190A (en) * 2016-09-21 2018-03-29 横河電機株式会社 Period detection apparatus and period detection method

Also Published As

Publication number Publication date
JP2628690B2 (en) 1997-07-09

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