FR624692A - Acoustic horn - Google Patents

Acoustic horn

Info

Publication number
FR624692A
FR624692A FR624692DA FR624692A FR 624692 A FR624692 A FR 624692A FR 624692D A FR624692D A FR 624692DA FR 624692 A FR624692 A FR 624692A
Authority
FR
France
Prior art keywords
acoustic horn
horn
acoustic
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
Victor Goutel
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 FR624692A publication Critical patent/FR624692A/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)
FR624692D 1926-11-16 1926-11-16 Acoustic horn Expired FR624692A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR624692T 1926-11-16

Publications (1)

Publication Number Publication Date
FR624692A true FR624692A (en) 1927-07-23

Family

ID=8987251

Family Applications (1)

Application Number Title Priority Date Filing Date
FR624692D Expired FR624692A (en) 1926-11-16 1926-11-16 Acoustic horn

Country Status (1)

Country Link
FR (1) FR624692A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020208342A1 (en) * 2019-04-09 2020-10-15 Flare Audio Technologies Limited Acoustic devices

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020208342A1 (en) * 2019-04-09 2020-10-15 Flare Audio Technologies Limited Acoustic devices

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