ZA997515B - Selective nonlinear attenuating earplug. - Google Patents

Selective nonlinear attenuating earplug.

Info

Publication number
ZA997515B
ZA997515B ZA9907515A ZA997515A ZA997515B ZA 997515 B ZA997515 B ZA 997515B ZA 9907515 A ZA9907515 A ZA 9907515A ZA 997515 A ZA997515 A ZA 997515A ZA 997515 B ZA997515 B ZA 997515B
Authority
ZA
South Africa
Prior art keywords
selective nonlinear
attenuating earplug
nonlinear attenuating
earplug
selective
Prior art date
Application number
ZA9907515A
Other languages
English (en)
Inventor
Robert N Falco
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 ZA997515B publication Critical patent/ZA997515B/xx

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1016—Earpieces of the intra-aural type
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • H04R1/1058—Manufacture or assembly

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Psychology (AREA)
  • Otolaryngology (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
ZA9907515A 1998-04-29 1999-12-07 Selective nonlinear attenuating earplug. ZA997515B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/069,108 US6148821A (en) 1998-04-29 1998-04-29 Selective nonlinear attenuating earplug
CA002307076A CA2307076A1 (fr) 1998-04-29 2000-04-28 Bouche-oreilles permettant une attenuation selective non lineaire

Publications (1)

Publication Number Publication Date
ZA997515B true ZA997515B (en) 2000-06-08

Family

ID=25681766

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9907515A ZA997515B (en) 1998-04-29 1999-12-07 Selective nonlinear attenuating earplug.

Country Status (9)

Country Link
US (1) US6148821A (fr)
EP (1) EP0955025B1 (fr)
JP (1) JP4143939B2 (fr)
AU (1) AU752249B2 (fr)
CA (1) CA2307076A1 (fr)
NO (1) NO992044L (fr)
NZ (1) NZ501622A (fr)
WO (1) WO1999055262A1 (fr)
ZA (1) ZA997515B (fr)

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Also Published As

Publication number Publication date
NZ501622A (en) 2002-02-01
US6148821A (en) 2000-11-21
CA2307076A1 (fr) 2001-10-28
NO992044D0 (no) 1999-04-28
EP0955025B1 (fr) 2004-07-07
EP0955025A1 (fr) 1999-11-10
NO992044L (no) 1999-11-01
JP4143939B2 (ja) 2008-09-03
AU752249B2 (en) 2002-09-12
JP2002509474A (ja) 2002-03-26
WO1999055262A1 (fr) 1999-11-04
AU3871399A (en) 1999-11-16

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