FR705714A - Acoustic device to allow speakers, actors, singers, violinists and other musicians, etc. to control themselves - Google Patents

Acoustic device to allow speakers, actors, singers, violinists and other musicians, etc. to control themselves

Info

Publication number
FR705714A
FR705714A FR705714DA FR705714A FR 705714 A FR705714 A FR 705714A FR 705714D A FR705714D A FR 705714DA FR 705714 A FR705714 A FR 705714A
Authority
FR
France
Prior art keywords
violinists
singers
musicians
actors
acoustic device
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
Johanna Blaschke
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 FR705714A publication Critical patent/FR705714A/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)
  • 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)
  • Electrophonic Musical Instruments (AREA)
FR705714D 1929-06-22 1930-06-21 Acoustic device to allow speakers, actors, singers, violinists and other musicians, etc. to control themselves Expired FR705714A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT364066X 1929-06-22

Publications (1)

Publication Number Publication Date
FR705714A true FR705714A (en) 1931-06-11

Family

ID=3672825

Family Applications (1)

Application Number Title Priority Date Filing Date
FR705714D Expired FR705714A (en) 1929-06-22 1930-06-21 Acoustic device to allow speakers, actors, singers, violinists and other musicians, etc. to control themselves

Country Status (2)

Country Link
FR (1) FR705714A (en)
GB (1) GB364066A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3658150A (en) * 1971-03-05 1972-04-25 William A Turner Hearing augmentation device
US4997056A (en) * 1989-01-31 1991-03-05 Riley Michael D Ear-focused acoustic reflector

Also Published As

Publication number Publication date
GB364066A (en) 1931-12-30

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