FR759850A - Acoustic horns for deaf people - Google Patents

Acoustic horns for deaf people

Info

Publication number
FR759850A
FR759850A FR759850DA FR759850A FR 759850 A FR759850 A FR 759850A FR 759850D A FR759850D A FR 759850DA FR 759850 A FR759850 A FR 759850A
Authority
FR
France
Prior art keywords
deaf people
acoustic horns
horns
acoustic
deaf
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Julien-Albert-Mathie Renard
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 filed Critical
Application granted granted Critical
Publication of FR759850A publication Critical patent/FR759850A/en
Expired legal-status Critical Current

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
    • A61F11/30—Non-electric hearing aids, e.g. ear trumpets, sound amplifiers or ear-shells

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Psychology (AREA)
  • Acoustics & Sound (AREA)
  • Biophysics (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
FR759850D 1932-08-31 1933-08-23 Acoustic horns for deaf people Expired FR759850A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE759850X 1932-08-31

Publications (1)

Publication Number Publication Date
FR759850A true FR759850A (en) 1934-02-10

Family

ID=3879867

Family Applications (1)

Application Number Title Priority Date Filing Date
FR759850D Expired FR759850A (en) 1932-08-31 1933-08-23 Acoustic horns for deaf people

Country Status (1)

Country Link
FR (1) FR759850A (en)

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