NO20072777L - Horselvern - Google Patents

Horselvern

Info

Publication number
NO20072777L
NO20072777L NO20072777A NO20072777A NO20072777L NO 20072777 L NO20072777 L NO 20072777L NO 20072777 A NO20072777 A NO 20072777A NO 20072777 A NO20072777 A NO 20072777A NO 20072777 L NO20072777 L NO 20072777L
Authority
NO
Norway
Prior art keywords
sound
electronics unit
frequency range
activated
level
Prior art date
Application number
NO20072777A
Other languages
English (en)
Inventor
Sigvard Nilsson
Henrik Nordin
Original Assignee
Cabot Safety Intermediate 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 Cabot Safety Intermediate Corp filed Critical Cabot Safety Intermediate Corp
Publication of NO20072777L publication Critical patent/NO20072777L/no

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
    • A61F11/14—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
    • H04R1/1083—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
    • A61F11/145—Protective devices for the ears external, e.g. earcaps or earmuffs electric, e.g. for active noise reduction

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
  • Control Of Amplification And Gain Control (AREA)

Abstract

En hørselvern-anordning som innbefatter et lydsvekkingslegeme og en elektronikkenhet med en mikrofon, en forsterker og en høyttaler, der elektronikkenheten er selektivt aktivert og, når den er aktivert, mottar lyd fra en tilgrensende omgivelse, forsterker et frekvensområde av den mottatte lyd tilsvarende et frekvensområde for menneskelig tale, og varierer nevnte forsterkning slik at et totalnivå av lyd som passerer gjennom legemet og gjennom elektronikkenheten ikke overskrider et maksimalt, forutbestemt lydnivå.
NO20072777A 2004-11-29 2007-06-01 Horselvern NO20072777L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/999,367 US20050238181A1 (en) 2003-11-27 2004-11-29 Hearing protector
PCT/US2005/043052 WO2006058319A1 (en) 2004-11-29 2005-11-29 Hearing protector

Publications (1)

Publication Number Publication Date
NO20072777L true NO20072777L (no) 2007-08-23

Family

ID=35976392

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20072777A NO20072777L (no) 2004-11-29 2007-06-01 Horselvern

Country Status (8)

Country Link
US (1) US20050238181A1 (no)
EP (1) EP1827331A1 (no)
CN (1) CN101090687B (no)
AU (1) AU2005309381B2 (no)
BR (1) BRPI0518669A2 (no)
CA (1) CA2589442A1 (no)
NO (1) NO20072777L (no)
WO (1) WO2006058319A1 (no)

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EP4066799A1 (en) 2021-04-01 2022-10-05 3M Innovative Properties Company Hearing protector with spring element and a carrier
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USD1024004S1 (en) * 2021-10-22 2024-04-23 Guangzhou OPSMEN Tech. Co., Ltd Electronic hearing protector
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Also Published As

Publication number Publication date
AU2005309381B2 (en) 2011-08-18
CN101090687A (zh) 2007-12-19
CA2589442A1 (en) 2006-06-01
EP1827331A1 (en) 2007-09-05
WO2006058319A1 (en) 2006-06-01
CN101090687B (zh) 2011-06-08
AU2005309381A1 (en) 2006-06-01
BRPI0518669A2 (pt) 2008-12-02
US20050238181A1 (en) 2005-10-27

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application