DK157427C - Hoerevaern med filter til daempning af lyd og tilhoerende filter - Google Patents

Hoerevaern med filter til daempning af lyd og tilhoerende filter

Info

Publication number
DK157427C
DK157427C DK583783A DK583783A DK157427C DK 157427 C DK157427 C DK 157427C DK 583783 A DK583783 A DK 583783A DK 583783 A DK583783 A DK 583783A DK 157427 C DK157427 C DK 157427C
Authority
DK
Denmark
Prior art keywords
filter
bore
sound
hearing protector
sound mute
Prior art date
Application number
DK583783A
Other languages
Danish (da)
English (en)
Other versions
DK583783D0 (da
DK157427B (da
DK583783A (da
Inventor
Berend De Boer
Karel Jean-Marie Doorduin
Original Assignee
Berend De Boer
Hardeman Cornelis
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 Berend De Boer, Hardeman Cornelis filed Critical Berend De Boer
Publication of DK583783D0 publication Critical patent/DK583783D0/da
Publication of DK583783A publication Critical patent/DK583783A/da
Publication of DK157427B publication Critical patent/DK157427B/da
Application granted granted Critical
Publication of DK157427C publication Critical patent/DK157427C/da

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/06—Protective devices for the ears
    • A61F11/08—Protective devices for the ears internal, e.g. earplugs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
    • A61F11/06—Protective devices for the ears
    • A61F11/08—Protective devices for the ears internal, e.g. earplugs
    • A61F11/085—Protective devices for the ears internal, e.g. earplugs including an inner channel

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Otolaryngology (AREA)
  • Psychology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Headphones And Earphones (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Filtering Materials (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Helmets And Other Head Coverings (AREA)
DK583783A 1982-12-24 1983-12-19 Hoerevaern med filter til daempning af lyd og tilhoerende filter DK157427C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8204984 1982-12-24
NL8204984A NL8204984A (nl) 1982-12-24 1982-12-24 Oordop voor het weren van geluid.

Publications (4)

Publication Number Publication Date
DK583783D0 DK583783D0 (da) 1983-12-19
DK583783A DK583783A (da) 1984-06-25
DK157427B DK157427B (da) 1990-01-08
DK157427C true DK157427C (da) 1990-06-05

Family

ID=19840801

Family Applications (1)

Application Number Title Priority Date Filing Date
DK583783A DK157427C (da) 1982-12-24 1983-12-19 Hoerevaern med filter til daempning af lyd og tilhoerende filter

Country Status (8)

Country Link
US (1) US4587965A (fr)
EP (1) EP0112594B1 (fr)
JP (1) JPS59166997A (fr)
AT (1) ATE22228T1 (fr)
AU (1) AU561501B2 (fr)
DE (1) DE3366338D1 (fr)
DK (1) DK157427C (fr)
NL (1) NL8204984A (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62285600A (ja) * 1986-05-16 1987-12-11 シ−メンス、アクチエンゲゼルシヤフト 挿耳型補聴器
NL8800672A (nl) * 1988-03-17 1989-10-16 Safetec S A Twee-kanaalsotoplastiek met accoustisch reduceerventiel.
FR2657716B1 (fr) * 1990-02-01 1995-07-13 Leher Francois Dispositif de transmission du son a filtrage selectif, destine a etre mis en place dans le conduit auditif externe.
NL192601C (nl) * 1990-06-25 1997-11-04 Hubertus Adrianus De Waal Gehoorbeschermende oordop.
FR2676642B1 (fr) * 1991-05-22 1998-05-15 Saint Louis Inst Protection auditive perfectionnee.
NL9200957A (nl) * 1992-05-31 1993-12-16 Ver Bedrijven Groeneveld B V Gehoorbeschermer.
US5755234A (en) * 1994-08-16 1998-05-26 House Ear Institute Pressure-regulating ear plug
US5819745A (en) * 1994-08-16 1998-10-13 House Ear Institute Pressure-regulating ear plug
NL1004758C2 (nl) * 1996-12-12 1998-07-02 Fields B V In de uitwendige gehoorgang van een mens aan te brengen geluidsdemper.
FR2766700B1 (fr) * 1997-07-30 1999-12-10 Inst Franco Allemand De Rech D Valve acoustique apte a operer un filtrage selectif et non lineaire du son
FR2768333B1 (fr) * 1997-09-18 1999-12-31 Inst Franco Allemand De Rech D Protection auditive contre les bruits eleves
DE29902617U1 (de) * 1999-02-05 1999-05-20 Wild, Lars, 66583 Spiesen-Elversberg Vorrichtung zur Schalldämmung am menschlichen Ohr
NL1012664C2 (nl) * 1999-07-21 2001-01-23 Groeneveld Elcea B V Gehoorbeschermer, gehoorbeschermingsset en werkwijze voor het vervaardigen van een gehoorbeschermer.
US7068803B2 (en) * 2000-12-22 2006-06-27 Nextlink.To A/S Acoustic device with means for being secured in a human ear
EP1498092A1 (fr) * 2003-07-14 2005-01-19 Ruth Poissenot Protéction auditive
FR2867063A1 (fr) * 2004-03-08 2005-09-09 Serge Schlee Bouchons d'oreilles ou protecteur antibruit antimicrobien
US7506720B1 (en) * 2006-07-21 2009-03-24 Hicks Tammera D Animal ear protection apparatus
FR2925291A3 (fr) * 2007-12-21 2009-06-26 Earsonics Dispositif acoustique d'attenuation lineaire du son
CN103070743B (zh) * 2013-02-01 2014-08-13 奕梅 一种耳部以及呼吸道疾病的防控装置
FR3006583B1 (fr) * 2013-06-05 2018-01-26 Laboratoire Cotral Protection auditive

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH254103A (de) * 1946-11-07 1948-04-15 J Dipl Ing Zwislocki Akustisches Schutzgerät für das Ohr.
US2717596A (en) * 1954-04-26 1955-09-13 John S Knight Cushion mounting for mass impedance resonance filter
US2881759A (en) * 1956-12-10 1959-04-14 Robert W Hocks Ear protector
US3565069A (en) * 1969-03-21 1971-02-23 Robert Nelson Miller Acoustical filter device
US4353364A (en) * 1979-01-18 1982-10-12 Woods Thomas J Ear acoustical attenuating device

Also Published As

Publication number Publication date
ATE22228T1 (de) 1986-10-15
AU561501B2 (en) 1987-05-07
JPH0443276B2 (fr) 1992-07-16
DE3366338D1 (en) 1986-10-23
NL8204984A (nl) 1984-07-16
DK583783D0 (da) 1983-12-19
EP0112594B1 (fr) 1986-09-17
EP0112594A1 (fr) 1984-07-04
DK157427B (da) 1990-01-08
DK583783A (da) 1984-06-25
JPS59166997A (ja) 1984-09-20
US4587965A (en) 1986-05-13
AU2273983A (en) 1984-06-28

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