FR356195A - Cornet acoustique - Google Patents

Cornet acoustique

Info

Publication number
FR356195A
FR356195A FR356195A FR356195DA FR356195A FR 356195 A FR356195 A FR 356195A FR 356195 A FR356195 A FR 356195A FR 356195D A FR356195D A FR 356195DA FR 356195 A FR356195 A FR 356195A
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
FR356195A
Other languages
English (en)
Inventor
Alvin W. Aylsworth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ALVIN W AYLSWORTH
Original Assignee
ALVIN W AYLSWORTH
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 ALVIN W AYLSWORTH filed Critical ALVIN W AYLSWORTH
Application granted granted Critical
Publication of FR356195A publication Critical patent/FR356195A/fr
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)
  • 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)
  • Details Of Audible-Bandwidth Transducers (AREA)
FR356195A 1904-09-27 1905-07-18 Cornet acoustique Expired FR356195A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US356195XA 1904-09-27 1904-09-27

Publications (1)

Publication Number Publication Date
FR356195A true FR356195A (fr) 1905-11-22

Family

ID=5699367

Family Applications (1)

Application Number Title Priority Date Filing Date
FR356195A Expired FR356195A (fr) 1904-09-27 1905-07-18 Cornet acoustique

Country Status (2)

Country Link
DE (1) DE176747C (fr)
FR (1) FR356195A (fr)

Also Published As

Publication number Publication date
DE176747C (fr)

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