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SE8404971L - Ljudavlyssningsapparat - Google Patents

Ljudavlyssningsapparat

Info

Publication number
SE8404971L
SE8404971L SE8404971A SE8404971A SE8404971L SE 8404971 L SE8404971 L SE 8404971L SE 8404971 A SE8404971 A SE 8404971A SE 8404971 A SE8404971 A SE 8404971A SE 8404971 L SE8404971 L SE 8404971L
Authority
SE
Sweden
Prior art keywords
sound
cycle
digital data
data corresponding
physician
Prior art date
Application number
SE8404971A
Other languages
Unknown language ( )
English (en)
Swedish (sv)
Other versions
SE8404971D0 (sv
Inventor
H V Katz
Original Assignee
Int Acoustics Inc
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 Int Acoustics Inc filed Critical Int Acoustics Inc
Publication of SE8404971D0 publication Critical patent/SE8404971D0/xx
Publication of SE8404971L publication Critical patent/SE8404971L/

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B7/00—Instruments for auscultation
    • A61B7/02—Stethoscopes
    • A61B7/04—Electric stethoscopes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
SE8404971A 1983-12-07 1984-10-04 Ljudavlyssningsapparat SE8404971L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/558,746 US4528689A (en) 1981-09-22 1983-12-07 Sound monitoring apparatus

Publications (2)

Publication Number Publication Date
SE8404971D0 SE8404971D0 (sv) 1984-10-04
SE8404971L true SE8404971L (sv) 1985-06-08

Family

ID=24230813

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8404971A SE8404971L (sv) 1983-12-07 1984-10-04 Ljudavlyssningsapparat

Country Status (7)

Country Link
US (1) US4528689A (it)
JP (1) JPS60125098A (it)
DE (1) DE3438046A1 (it)
FR (1) FR2556208A1 (it)
GB (1) GB2151113B (it)
IT (1) IT1178199B (it)
SE (1) SE8404971L (it)

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DE3413561A1 (de) * 1984-04-11 1985-10-24 Fried. Krupp Gmbh, 4300 Essen Vorrichtung zum abhoeren empfangener akustischer signale
US4633331A (en) * 1985-06-06 1986-12-30 Picotrin Technology, Inc. Information signal delay system utilizing random access memory
US4720866A (en) * 1985-09-20 1988-01-19 Seaboard Digital Systems, Inc. Computerized stethoscopic analysis system and method
US4783813A (en) * 1986-12-24 1988-11-08 Lola R. Thompson Electronic sound amplifier stethoscope with visual heart beat and blood flow indicator
JPS63200739A (ja) * 1987-02-16 1988-08-19 安治川鉄工建設株式会社 体腔音の音響信号解析による医療診断支援システム
US4823795A (en) * 1987-03-13 1989-04-25 Minnesota Mining And Manufacturing Company Signal processor for and an auditory prosthesis having spectral to temporal transformation
US4813417A (en) * 1987-03-13 1989-03-21 Minnesota Mining And Manufacturing Company Signal processor for and an auditory prosthesis utilizing channel dominance
US5213108A (en) * 1988-02-04 1993-05-25 Blood Line Technology, Inc. Visual display stethoscope
US5218969A (en) * 1988-02-04 1993-06-15 Blood Line Technology, Inc. Intelligent stethoscope
US5010889A (en) * 1988-02-04 1991-04-30 Bloodline Technology Intelligent stethoscope
DE3830412A1 (de) * 1988-09-07 1990-03-15 Gw Elektronik Gmbh Diagnosegeraet zum akustischen erfassen der lokalen geraeuschbildung im menschlichen oder tierischen koerper
CH677761A5 (en) * 1989-02-20 1991-06-28 Hans Wepfer Tractor coupling monitoring device - uses microphone to detect noise emitted by coupling fed to loudspeaker within tractor cab
US4932880A (en) * 1989-04-07 1990-06-12 The United States Of America As Represented By The Secretary Of The Navy Low-cost sound related trainer
CA2023425C (en) * 1989-08-17 1994-11-01 Sadaaki Shimonaga Facsimile communication apparatus
US5251076A (en) * 1990-03-07 1993-10-05 Sony Corporation Recording apparatus for electrocardiographs
JPH07119122B2 (ja) * 1990-03-09 1995-12-20 富士ゼロックス株式会社 レーザビームプリンタ
JP3248719B2 (ja) * 1990-08-30 2002-01-21 新日本製鐵株式会社 パルスコード変調回路
US5150714A (en) * 1991-05-10 1992-09-29 Sri International Ultrasonic inspection method and apparatus with audible output
US5717769A (en) * 1995-02-10 1998-02-10 Williams; Christopher A. Adapter for reversible conversion of standard stethoscopes to multimedia and telemedicine ready stethoscopes
US5687738A (en) * 1995-07-03 1997-11-18 The Regents Of The University Of Colorado Apparatus and methods for analyzing heart sounds
CA2227416A1 (en) * 1995-07-21 1997-02-06 Stethtech Corporation Electronic stethoscope
US6005951A (en) * 1995-07-21 1999-12-21 Stethtech Corporation Electronic stethoscope
US5774563A (en) * 1996-07-11 1998-06-30 Deslauriers; Richard J. Combined electronic acoustical stethoscope
US5971936A (en) * 1998-03-18 1999-10-26 Don Michael; T Anthony Method and apparatus for reproducing heart sounds
US7003121B1 (en) 1998-04-08 2006-02-21 Bang & Olufsen Technology A/S Method and an apparatus for processing an auscultation signal
FI981508A (fi) 1998-06-30 1999-12-31 Nokia Mobile Phones Ltd Menetelmä, laite ja järjestelmä käyttäjän tilan arvioimiseksi
US6210344B1 (en) 1999-03-24 2001-04-03 Umm Electronics, Inc. Method and apparatus for passive heart rate detection
AU7845900A (en) 1999-09-29 2001-04-30 Siemens Corporate Research, Inc. Multi-modal cardiac diagnostic decision support system and method
AUPR515101A0 (en) * 2001-05-21 2001-06-14 Australian Centre For Advanced Medical Technology Ltd Electronic monitoring system
US20030055321A1 (en) * 2001-07-16 2003-03-20 Watrous Raymond L. System and method for accessing and processing patient data
US6920228B2 (en) * 2002-08-20 2005-07-19 Otto Engineering, Inc. Lightweight headset for high noise environments
AU2003287395A1 (en) * 2002-10-31 2004-06-07 Polymer Group Inc. Anti-microbial nonwoven wipe
US7302290B2 (en) * 2003-08-06 2007-11-27 Inovise, Medical, Inc. Heart-activity monitoring with multi-axial audio detection
SE528409C2 (sv) * 2005-02-21 2006-11-07 Computerized Medical Technolog Ljudmonitor
FR2885792B1 (fr) * 2005-05-18 2007-08-24 Global Vision Holding S A Stethoscope electronique
WO2007054798A2 (en) * 2005-11-09 2007-05-18 Brendan Investments Ltd. Bvi Apparatus and method for a noninvasive estimate of the characteristics of a periodic/cyclic bodily sound in a region close to its source
US8571227B2 (en) 2005-11-11 2013-10-29 Phitek Systems Limited Noise cancellation earphone
US8920343B2 (en) * 2006-03-23 2014-12-30 Michael Edward Sabatino Apparatus for acquiring and processing of physiological auditory signals
JP2009153103A (ja) * 2007-10-02 2009-07-09 Phitek Systems Ltd ノイズ低減イヤホン用の構成部分
EP2129114A3 (en) * 2008-05-29 2011-11-02 Phitek Systems Limited Media enhancement module
US20110002474A1 (en) * 2009-01-29 2011-01-06 Graeme Colin Fuller Active Noise Reduction System Control
EP2226902A3 (en) * 2009-03-06 2013-03-13 Phitek Systems Limited In-flight entertainment system connector
US20110075331A1 (en) * 2009-05-04 2011-03-31 Nigel Greig Media Player Holder
US20110188668A1 (en) * 2009-09-23 2011-08-04 Mark Donaldson Media delivery system
US9818394B2 (en) * 2009-11-30 2017-11-14 Graeme Colin Fuller Realisation of controller transfer function for active noise cancellation
WO2011146429A1 (en) 2010-05-17 2011-11-24 Thales Avionics, Inc. Airline passenger seat modular user interface device
US9487295B2 (en) 2010-11-15 2016-11-08 William James Sim Vehicle media distribution system using optical transmitters
CN103748903B (zh) 2011-06-01 2017-02-22 菲泰克系统有限公司 包括有源噪声降低的耳内装置
CN106792369A (zh) * 2017-01-23 2017-05-31 上海贝生医疗设备有限公司 一种用于听诊器的分体式信号处理装置
US11045144B2 (en) 2017-10-20 2021-06-29 Ausculsciences, Inc. Coronary artery disease detection signal processing system and method
US11284827B2 (en) 2017-10-21 2022-03-29 Ausculsciences, Inc. Medical decision support system

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Publication number Priority date Publication date Assignee Title
US3030946A (en) * 1962-04-24 amplifier
US2986606A (en) * 1955-02-28 1961-05-30 Cambridge Instr Co Inc Recording with audible and visible monitoring
US3160708A (en) * 1961-07-13 1964-12-08 Texas Instruments Inc Electronic stethoscope
US3104284A (en) * 1961-12-29 1963-09-17 Ibm Time duration modification of audio waveforms
US3789144A (en) * 1971-07-21 1974-01-29 Master Specialties Co Method for compressing and synthesizing a cyclic analog signal based upon half cycles
US3846585A (en) * 1972-09-21 1974-11-05 Plastics Dev Corp Of America Recording stethoscope
US3895316A (en) * 1973-08-29 1975-07-15 W P Instr Inc Complex tone modulation
US4048444A (en) * 1975-08-15 1977-09-13 Giampapa Vincent C Phonostethoscope conversion unit for amplification and clarification of corporeal sounds
US4071694A (en) * 1976-08-31 1978-01-31 Minnesota Mining And Manufacturing Company Stethoscope
US4072822A (en) * 1976-09-27 1978-02-07 Yoshihito Yamada Two-way stethoscope for direct and amplified sound
US4424815A (en) * 1980-10-14 1984-01-10 Kuntz David H Stethoscope-type recording system with stretched-in-time playback

Also Published As

Publication number Publication date
SE8404971D0 (sv) 1984-10-04
DE3438046A1 (de) 1985-06-13
IT8449118A1 (it) 1986-05-05
GB2151113A (en) 1985-07-10
JPS60125098A (ja) 1985-07-04
IT8449118A0 (it) 1984-11-05
GB8426510D0 (en) 1984-11-28
US4528689A (en) 1985-07-09
IT1178199B (it) 1987-09-09
FR2556208A1 (fr) 1985-06-14
GB2151113B (en) 1987-10-21

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Effective date: 19900501