FR791595A - Particularly sensitive acoustic receiver - Google Patents
Particularly sensitive acoustic receiverInfo
- Publication number
- FR791595A FR791595A FR791595DA FR791595A FR 791595 A FR791595 A FR 791595A FR 791595D A FR791595D A FR 791595DA FR 791595 A FR791595 A FR 791595A
- Authority
- FR
- France
- Prior art keywords
- particularly sensitive
- acoustic receiver
- sensitive acoustic
- receiver
- sensitive
- 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)
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT791595X | 1934-07-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR791595A true FR791595A (en) | 1935-12-13 |
Family
ID=11316687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR791595D Expired FR791595A (en) | 1934-07-04 | 1935-06-21 | Particularly sensitive acoustic receiver |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR791595A (en) |
-
1935
- 1935-06-21 FR FR791595D patent/FR791595A/en not_active Expired
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