SE372418B - - Google Patents

Info

Publication number
SE372418B
SE372418B SE7308528A SE7308528A SE372418B SE 372418 B SE372418 B SE 372418B SE 7308528 A SE7308528 A SE 7308528A SE 7308528 A SE7308528 A SE 7308528A SE 372418 B SE372418 B SE 372418B
Authority
SE
Sweden
Application number
SE7308528A
Inventor
W Ahs
Original Assignee
Lennartsfors Mekaniska Verksta
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 Lennartsfors Mekaniska Verksta filed Critical Lennartsfors Mekaniska Verksta
Priority to SE7308528A priority Critical patent/SE372418B/xx
Priority to DE2429175A priority patent/DE2429175A1/de
Publication of SE372418B publication Critical patent/SE372418B/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
    • A61F11/14—Protective devices for the ears external, e.g. earcaps or earmuffs
    • 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)
  • 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)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
SE7308528A 1973-06-18 1973-06-18 SE372418B (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE7308528A SE372418B (fr) 1973-06-18 1973-06-18
DE2429175A DE2429175A1 (de) 1973-06-18 1974-06-18 Schallventil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7308528A SE372418B (fr) 1973-06-18 1973-06-18

Publications (1)

Publication Number Publication Date
SE372418B true SE372418B (fr) 1974-12-23

Family

ID=20317797

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7308528A SE372418B (fr) 1973-06-18 1973-06-18

Country Status (2)

Country Link
DE (1) DE2429175A1 (fr)
SE (1) SE372418B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0128894A1 (fr) * 1982-12-15 1984-12-27 VAN BENTUM, Abraham Jean Pierre Appareil de protection auditive contre des volumes sonores surnormaux soudains
DK576889D0 (da) * 1989-11-17 1989-11-17 Per Rubak Hoerevaern
DE4232750C1 (de) * 1992-09-30 1994-02-17 Karl Bernd Dr Huettenbrink Gehörschutzvorrichtung

Also Published As

Publication number Publication date
DE2429175A1 (de) 1975-01-09

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