GB1126420A - - Google Patents

Info

Publication number
GB1126420A
GB1126420A GB1126420DA GB1126420A GB 1126420 A GB1126420 A GB 1126420A GB 1126420D A GB1126420D A GB 1126420DA GB 1126420 A GB1126420 A GB 1126420A
Authority
GB
United Kingdom
Prior art keywords
receiver
sound
centre
cavity
transfer duct
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.)
Active
Application number
Other languages
English (en)
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.)
Publication of GB1126420A publication Critical patent/GB1126420A/en
Active legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B7/00—Instruments for auscultation
    • A61B7/02—Stethoscopes

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Percussion Or Vibration Massage (AREA)
  • External Artificial Organs (AREA)
GB1126420D 1966-12-14 Active GB1126420A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US601593A US3417838A (en) 1966-12-14 1966-12-14 Funnel of flexible stethoscope for mediate auscultation

Publications (1)

Publication Number Publication Date
GB1126420A true GB1126420A (https=)

Family

ID=24408077

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1126420D Active GB1126420A (https=) 1966-12-14

Country Status (3)

Country Link
US (1) US3417838A (https=)
FR (1) FR1498760A (https=)
GB (1) GB1126420A (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3867925A (en) * 1971-02-17 1975-02-25 Med General Inc Expendable stethoscope
USD932008S1 (en) * 2019-11-07 2021-09-28 Wuxi Kaishun Medical Device Manufacturing Co., Ltd. Stethoscope head

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3276536A (en) * 1966-10-04 Littmann stethoscope
US910854A (en) * 1909-01-26 Charles J Pilling Stethoscope.
FR1208208A (https=) * 1900-01-01
US1853951A (en) * 1932-04-12 Membrane stethoscope-phonendoscope for comparative
FR1164669A (https=) *
US677172A (en) * 1897-12-03 1901-06-25 Robert C M Bowles Stethoscope.
US2445917A (en) * 1945-01-24 1948-07-27 John M Mallory Blood pressure stethoscope
US3339667A (en) * 1966-08-02 1967-09-05 Propper Mfg Company Inc Stethoscope

Also Published As

Publication number Publication date
FR1498760A (https=)
US3417838A (en) 1968-12-24

Similar Documents

Publication Publication Date Title
IE37197L (en) Pipe connection
GB1126420A (https=)
GB1098384A (en) Stethoscope with o-ring construction
GB1032314A (en) Teat cup lines
CA966928A (en) High-power underwater electro-acoustic transducer for the infrasonic and low audio-frequency range
GB1225146A (https=)
GB718530A (en) Improvements in or relating to sound producing instruments
GB623791A (en) An improved device to aid hearing
CA472665A (en) Electric vacuum tubes and the like
GB320515A (en) Improvements in sound reproducing devices
CA748567A (en) Electro-acoustic transducers
GB858380A (en) Improvements in or relating to electro-acoustic horns
JPS5546675A (en) Coaxial speaker
AU129571B2 (en) Cupro-nickel alloys and tubes formed from same
CA472099A (en) Milker inflation and shells
CA644324A (en) Distance discriminating mechanical sound transducer
CA635589A (en) Electro-acoustic transducers
CA505339A (en) Copolymers of vinylidene cyanide and propylene
AU58146A (en) Cupro-nickel alloys and tubes formed from same
AU40641A (en) Improved means for the transmission and reception of signals and speech
AU129605B2 (en) Improved acid-resistant, mouldable compound and manufacture thereof
CA478141A (en) Inner tubes
AU151482B2 (en) Negative impedance converter
CA731118A (en) Treatment and use of enzymes for the hydrolysis of starch
AU201054B2 (en) Ceramic transducer for underwater sound transmission and reception