DE3336414A1 - Stethoskop - Google Patents

Stethoskop

Info

Publication number
DE3336414A1
DE3336414A1 DE19833336414 DE3336414A DE3336414A1 DE 3336414 A1 DE3336414 A1 DE 3336414A1 DE 19833336414 DE19833336414 DE 19833336414 DE 3336414 A DE3336414 A DE 3336414A DE 3336414 A1 DE3336414 A1 DE 3336414A1
Authority
DE
Germany
Prior art keywords
signal
signals
stethoscope
stethoscope according
amplifier
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.)
Withdrawn
Application number
DE19833336414
Other languages
German (de)
English (en)
Inventor
Martin J. Dix Hills N.Y. Slavin
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.)
Intech Systems Corp
Original Assignee
Intech Systems 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 Intech Systems Corp filed Critical Intech Systems Corp
Publication of DE3336414A1 publication Critical patent/DE3336414A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Signal Processing (AREA)
  • Otolaryngology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Headphones And Earphones (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
DE19833336414 1983-09-28 1983-10-06 Stethoskop Withdrawn DE3336414A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08325879A GB2147475B (en) 1983-09-28 1983-09-28 Differential stethoscope

Publications (1)

Publication Number Publication Date
DE3336414A1 true DE3336414A1 (de) 1985-04-18

Family

ID=10549377

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833336414 Withdrawn DE3336414A1 (de) 1983-09-28 1983-10-06 Stethoskop

Country Status (8)

Country Link
AU (1) AU1970183A (fr)
BE (1) BE897885A (fr)
CA (1) CA1200887A (fr)
DE (1) DE3336414A1 (fr)
FR (1) FR2552651A1 (fr)
GB (1) GB2147475B (fr)
NL (1) NL8303332A (fr)
SE (1) SE8305423L (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3802289A1 (de) * 1988-01-27 1989-08-10 Jaroslav Dr Bakstein Verfahren und vorrichtung zur kontinuierlichen ueberwachung der ventilation der lunge von intubierten personen

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2525872A1 (fr) * 1982-05-03 1983-11-04 Lange Jean Jacques Sterilisateur menager automatique
JPH02500410A (ja) * 1986-08-05 1990-02-15 ユニヴァーシティ　オブ　ウエイルズ　カレッジ　オブ　メディシン 接近検知器
FR2628590B1 (fr) * 1988-03-10 1991-08-30 Hodys Edgar Dispositif permettant une prise de son exempte de bruits ambiants
US5548651A (en) * 1994-03-28 1996-08-20 Long; Howard F. Stereophonic stethoscope

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2309109A (en) * 1937-06-04 1943-01-26 Rca Corp Microphone
FR2087370A5 (fr) * 1970-05-15 1971-12-31 Cit Alcatel
FR2442040A1 (fr) * 1978-11-24 1980-06-20 Leim Appareils de mesure automatique de la pression arterielle
SE7902971L (sv) * 1979-04-04 1980-10-05 Svedman Paul Anordning vid patientovervakning

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3802289A1 (de) * 1988-01-27 1989-08-10 Jaroslav Dr Bakstein Verfahren und vorrichtung zur kontinuierlichen ueberwachung der ventilation der lunge von intubierten personen

Also Published As

Publication number Publication date
GB2147475A (en) 1985-05-09
FR2552651A1 (fr) 1985-04-05
AU1970183A (en) 1985-04-04
GB2147475B (en) 1986-12-17
BE897885A (fr) 1984-01-16
GB8325879D0 (en) 1983-11-02
CA1200887A (fr) 1986-02-18
SE8305423D0 (sv) 1983-10-03
NL8303332A (nl) 1985-04-16
SE8305423L (sv) 1985-04-04

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee