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 themselvesInfo
- 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
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)
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)
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 |
-
1930
- 1930-06-21 FR FR705714D patent/FR705714A/en not_active Expired
- 1930-06-23 GB GB19073/30A patent/GB364066A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB364066A (en) | 1931-12-30 |
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