DK576889D0 - Earmuffs - Google Patents

Earmuffs

Info

Publication number
DK576889D0
DK576889D0 DK576889A DK576889A DK576889D0 DK 576889 D0 DK576889 D0 DK 576889D0 DK 576889 A DK576889 A DK 576889A DK 576889 A DK576889 A DK 576889A DK 576889 D0 DK576889 D0 DK 576889D0
Authority
DK
Denmark
Prior art keywords
earmuffs
Prior art date
Application number
DK576889A
Other languages
Danish (da)
Inventor
Per Rubak
Original Assignee
Per Rubak
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 Per Rubak filed Critical Per Rubak
Priority to DK576889A priority Critical patent/DK576889D0/en
Publication of DK576889D0 publication Critical patent/DK576889D0/en
Priority to PCT/DK1990/000297 priority patent/WO1991007153A1/en
Priority to EP90917068A priority patent/EP0502017A1/en
Priority to AU67314/90A priority patent/AU6731490A/en

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; DEAF-AID SETS; 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; 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
    • H04R1/1075—Mountings of transducers in earphones or headphones
    • 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
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
    • H04R1/342—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for microphones

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Acoustics & Sound (AREA)
  • Biophysics (AREA)
  • Otolaryngology (AREA)
  • Psychology (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
DK576889A 1989-11-17 1989-11-17 Earmuffs DK576889D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DK576889A DK576889D0 (en) 1989-11-17 1989-11-17 Earmuffs
PCT/DK1990/000297 WO1991007153A1 (en) 1989-11-17 1990-11-16 A hearing protector set
EP90917068A EP0502017A1 (en) 1989-11-17 1990-11-16 A hearing protector set
AU67314/90A AU6731490A (en) 1989-11-17 1990-11-16 A hearing protector set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK576889A DK576889D0 (en) 1989-11-17 1989-11-17 Earmuffs

Publications (1)

Publication Number Publication Date
DK576889D0 true DK576889D0 (en) 1989-11-17

Family

ID=8145090

Family Applications (1)

Application Number Title Priority Date Filing Date
DK576889A DK576889D0 (en) 1989-11-17 1989-11-17 Earmuffs

Country Status (4)

Country Link
EP (1) EP0502017A1 (en)
AU (1) AU6731490A (en)
DK (1) DK576889D0 (en)
WO (1) WO1991007153A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE526944C2 (en) 2003-11-27 2005-11-22 Peltor Ab Ear protection
SE528519C2 (en) 2005-04-29 2006-12-05 Peltor Ab The ear cup
SE528515C2 (en) 2005-04-29 2006-12-05 Peltor Ab Earphone with microphone device
SE528514C2 (en) 2005-04-29 2006-12-05 Peltor Ab The ear cup
SE530023C2 (en) 2006-06-20 2008-02-12 Peltor Ab The ear cup
SE532379C2 (en) 2008-03-26 2009-12-29 3M Svenska Ab Hearing protection including processing devices for treating repeatable and non-repeatable noise
SE531656E5 (en) 2008-05-12 2011-04-26 3M Svenska Ab Ear protection
US10212503B1 (en) 2017-08-09 2019-02-19 Gn Hearing A/S Acoustic device
EP3494940A1 (en) * 2017-12-08 2019-06-12 3M Innovative Properties Company A hearing protector having a unidirectional sound inlet
EP3628284A1 (en) * 2018-09-25 2020-04-01 GN Hearing A/S Hearing protection device with sound reflectors

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE372418B (en) * 1973-06-18 1974-12-23 Lennartsfors Mekaniska Verksta
US4441576A (en) * 1982-04-19 1984-04-10 Allen Clayton H Nonlinear passive acoustic filtering

Also Published As

Publication number Publication date
EP0502017A1 (en) 1992-09-09
AU6731490A (en) 1991-06-13
WO1991007153A1 (en) 1991-05-30

Similar Documents

Publication Publication Date Title
DK196290A (en) CURCUMINKOMPLEXER
NO180214C (en) Brönnsonde
DK255690A (en) NORBIXINKOMPLEX
DK0429640T3 (en) Water-reaktionsdrivmodul
FI94880B (en) Arkformningsenhet
FI932447A0 (en) Kontaminationshindrande doserings- och maetanordning
DK576889D0 (en) Earmuffs
IT8946820A0 (en) GOUGER
FI924357A (en) SYNKRONISERINGSMEKANISM
ATA149789A (en) RAILWHEEL
FR2644997B1 (en) ESTRADE-BED
KR910005117U (en) 4-Nandgate
SE8902093D0 (en) VAERMEVAEXLARE
ATA293489A (en) SCHIBOB
SE8900876D0 (en) FOTBEKLAEDNAD
SE8901135D0 (en) FAAGELBROSTENEN
NO920575D0 (en) PAPIRPERFORATOR
SE8901318D0 (en) VAEXELSKENOR
SE8901820D0 (en) FROESAETTARE
SE8901861D0 (en) FOERPACKNING
BR6902005U (en) TURN-TRACK
SE8901872D0 (en) BLAECKFISKTILLVERKNING
BR8901832A (en) RODOMETER
BR6901912U (en) FIODENTALIZER
BR6901807U (en) FULAO

Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment