BRPI0518669A2 - protetor auricular - Google Patents

protetor auricular

Info

Publication number
BRPI0518669A2
BRPI0518669A2 BRPI0518669-2A BRPI0518669A BRPI0518669A2 BR PI0518669 A2 BRPI0518669 A2 BR PI0518669A2 BR PI0518669 A BRPI0518669 A BR PI0518669A BR PI0518669 A2 BRPI0518669 A2 BR PI0518669A2
Authority
BR
Brazil
Prior art keywords
sound
electronic unit
hearing protection
frequency range
activated
Prior art date
Application number
BRPI0518669-2A
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 BRPI0518669A2 publication Critical patent/BRPI0518669A2/pt

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)
  • Control Of Amplification And Gain Control (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

PROTETOR AURICULAR. É provido um dispositivo de proteção auricular incluindo um corpo de atenuação de som e uma unidade eletrônica tendo um microfone, um amplificador, e um alto-falante, onde a unidade eletrônica é ativada seletivamente e, quando ativada, recebe o som a partir de um meio ambiente, amplifica a faixa de freqúências do som recebido correspondendo à faixa de freqúências da fala humana, e varia a amplificação de tal modo que um nível total de som passando através do corpo e através da unidade eletrônica não excede um nível de som máximo predeterminado.
BRPI0518669-2A 2004-11-29 2005-11-29 protetor auricular BRPI0518669A2 (pt)

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
BRPI0518669A2 true BRPI0518669A2 (pt) 2008-12-02

Family

ID=35976392

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0518669-2A BRPI0518669A2 (pt) 2004-11-29 2005-11-29 protetor auricular

Country Status (8)

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

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KR101248841B1 (ko) * 2008-11-04 2013-03-29 크레신 주식회사 헤드폰
WO2010079852A1 (ko) * 2009-01-06 2010-07-15 크레신 주식회사 헤드폰
US9955264B2 (en) * 2013-04-11 2018-04-24 Darryl Dwight Brayton Headset hearing protection with integrated transceiver and siren alert device
SG11201701257PA (en) 2014-08-18 2017-03-30 3M Innovative Properties Co Respirator including polymeric netting and method of forming same
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CN105848061B (zh) * 2016-03-30 2021-04-13 联想(北京)有限公司 一种控制方法及电子设备
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US10610708B2 (en) * 2016-06-23 2020-04-07 3M Innovative Properties Company Indicating hazardous exposure in a supplied air respirator system
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EP4018983A1 (en) 2020-12-23 2022-06-29 3M Innovative Properties Company Hearing protection device, collision warning system and method of retrofitting a hearing protection device with a detection unit
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
AU2005309381A1 (en) 2006-06-01
WO2006058319A1 (en) 2006-06-01
CA2589442A1 (en) 2006-06-01
AU2005309381B2 (en) 2011-08-18
CN101090687A (zh) 2007-12-19
EP1827331A1 (en) 2007-09-05
CN101090687B (zh) 2011-06-08
US20050238181A1 (en) 2005-10-27
NO20072777L (no) 2007-08-23

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: CABOT SAFETY INTERMEDIATE LLC (US)

Free format text: ALTERADO DE: CABOT SAFETY INTERMEDIATE CORPORATION

B25A Requested transfer of rights approved

Owner name: 3M INNOVATIVE PROPERTIES COMPANY (US)

Free format text: TRANSFERIDO DE: CABOT SAFETY INTEMEDIATE LLC

B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11N Dismissal: publication cancelled [chapter 11.14 patent gazette]

Free format text: REFERENTE A RPI NO 2059 DE 22/06/2010.

B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL