NO20062322L - Horselsvern - Google Patents

Horselsvern

Info

Publication number
NO20062322L
NO20062322L NO20062322A NO20062322A NO20062322L NO 20062322 L NO20062322 L NO 20062322L NO 20062322 A NO20062322 A NO 20062322A NO 20062322 A NO20062322 A NO 20062322A NO 20062322 L NO20062322 L NO 20062322L
Authority
NO
Norway
Prior art keywords
hood
loudspeaker
hearing
amplifier
microphone
Prior art date
Application number
NO20062322A
Other languages
English (en)
Inventor
Henrik Nordin
Sigvard Nilsson
Original Assignee
Peltor Ab
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 Peltor Ab filed Critical Peltor Ab
Publication of NO20062322L publication Critical patent/NO20062322L/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1083—Reduction of ambient noise
    • 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
    • A61F11/14—Protective devices for the ears external, e.g. earcaps or earmuffs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1008—Earpieces of the supra-aural or circum-aural type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1025—Accumulators specially adapted for earpieces; Arrangements specially adapted for charging thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/033—Headphones for stereophonic communication

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Vascular Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Psychology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Headphones And Earphones (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Semiconductor Lasers (AREA)
  • Gyroscopes (AREA)

Abstract

Et hørselvern innbefatter en høreklokke (2), en mikrofon (7), en høyttaler og en forsterker. Høreklokken har passiv støydemping. Mikrofonen (7) er anbrakt på utsiden av hørselvernet, mens høyttaleren er anbrakt inne i klokken. Forsterkeren forsterker signalene fra mikrofonen (7) til høyttaleren. Støydempingen av klokken er bredbåndet. Frekvensområdet til forsterkeren korresponderer med frekvensområdet til mennesketale. Forsterkningen til forsterkeren er variabel og den kraftigste forsterkningen er slik at totalsummen av lydnivåene som er forårsaket, på den ene side av omgivelseslyd som passerer gjennom klokken (2) og, på den andre side av lyd fra høyttaleren utgjør en maksimal, forutbestemt verdi.
NO20062322A 2003-11-27 2006-05-22 Horselsvern NO20062322L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0303189A SE526944C2 (sv) 2003-11-27 2003-11-27 Hörselskydd
PCT/SE2004/001709 WO2005051255A1 (en) 2003-11-27 2004-11-23 Hearing protector

Publications (1)

Publication Number Publication Date
NO20062322L true NO20062322L (no) 2006-07-12

Family

ID=29729198

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20062322A NO20062322L (no) 2003-11-27 2006-05-22 Horselsvern

Country Status (12)

Country Link
US (1) US8243943B2 (no)
EP (1) EP1689337B1 (no)
CN (1) CN1897897B (no)
AT (1) ATE425726T1 (no)
AU (1) AU2004292926C1 (no)
BR (1) BRPI0416932B1 (no)
CA (1) CA2546859A1 (no)
DE (1) DE602004020096D1 (no)
NO (1) NO20062322L (no)
RU (1) RU2363433C2 (no)
SE (1) SE526944C2 (no)
WO (1) WO2005051255A1 (no)

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SE526944C2 (sv) 2003-11-27 2005-11-22 Peltor Ab Hörselskydd
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SE528515C2 (sv) 2005-04-29 2006-12-05 Peltor Ab Hörselkåpa med mikrofonanordning
SE530023C2 (sv) * 2006-06-20 2008-02-12 Peltor Ab Hörselkåpa
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Also Published As

Publication number Publication date
US20070274529A1 (en) 2007-11-29
CN1897897A (zh) 2007-01-17
BRPI0416932A (pt) 2007-01-16
EP1689337A1 (en) 2006-08-16
ATE425726T1 (de) 2009-04-15
BRPI0416932B1 (pt) 2017-03-21
SE526944C2 (sv) 2005-11-22
RU2006122809A (ru) 2008-01-27
CA2546859A1 (en) 2005-06-09
AU2004292926B2 (en) 2011-11-03
US8243943B2 (en) 2012-08-14
EP1689337B1 (en) 2009-03-18
SE0303189L (sv) 2005-05-28
SE0303189D0 (sv) 2003-11-27
CN1897897B (zh) 2010-12-01
AU2004292926C1 (en) 2012-07-19
DE602004020096D1 (de) 2009-04-30
WO2005051255A1 (en) 2005-06-09
AU2004292926A1 (en) 2005-06-09
RU2363433C2 (ru) 2009-08-10

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