DE344526C - - Google Patents

Info

Publication number
DE344526C
DE344526C DENDAT344526D DE344526DA DE344526C DE 344526 C DE344526 C DE 344526C DE NDAT344526 D DENDAT344526 D DE NDAT344526D DE 344526D A DE344526D A DE 344526DA DE 344526 C DE344526 C DE 344526C
Authority
DE
Germany
Prior art keywords
hearing aid
glasses
ear
hearing
attached
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.)
Active
Application number
DENDAT344526D
Other languages
German (de)
English (en)
Publication of DE344526C publication Critical patent/DE344526C/de
Active legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/22—Methods or devices for transmitting, conducting or directing sound for conducting sound through hollow pipes, e.g. speaking tubes
    • 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)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Psychology (AREA)
  • Otolaryngology (AREA)
  • Biophysics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Multimedia (AREA)
  • Telephone Set Structure (AREA)
DENDAT344526D Active DE344526C (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
DE344526C true DE344526C (enrdf_load_stackoverflow)

Family

ID=573313

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT344526D Active DE344526C (enrdf_load_stackoverflow)

Country Status (1)

Country Link
DE (1) DE344526C (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2946394A (en) * 1954-01-18 1960-07-26 Alonzo L Smith Air-conduction hearing aid clamps
US4997056A (en) * 1989-01-31 1991-03-05 Riley Michael D Ear-focused acoustic reflector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2946394A (en) * 1954-01-18 1960-07-26 Alonzo L Smith Air-conduction hearing aid clamps
US4997056A (en) * 1989-01-31 1991-03-05 Riley Michael D Ear-focused acoustic reflector

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