DE176747C - - Google Patents
Info
- Publication number
- DE176747C DE176747C DENDAT176747D DE176747DA DE176747C DE 176747 C DE176747 C DE 176747C DE NDAT176747 D DENDAT176747 D DE NDAT176747D DE 176747D A DE176747D A DE 176747DA DE 176747 C DE176747 C DE 176747C
- Authority
- DE
- Germany
- Prior art keywords
- horn
- sound
- hearing
- plate
- tube
- 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
Links
- 239000004020 conductor Substances 0.000 claims description 8
- 208000032041 Hearing impaired Diseases 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 210000003127 knee Anatomy 0.000 description 2
- 210000003454 tympanic membrane Anatomy 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 206010048865 Hypoacusis Diseases 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 210000000613 ear canal Anatomy 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US356195XA | 1904-09-27 | 1904-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE176747C true DE176747C (enrdf_load_stackoverflow) |
Family
ID=5699367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT176747D Active DE176747C (enrdf_load_stackoverflow) | 1904-09-27 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE176747C (enrdf_load_stackoverflow) |
| FR (1) | FR356195A (enrdf_load_stackoverflow) |
-
0
- DE DENDAT176747D patent/DE176747C/de active Active
-
1905
- 1905-07-18 FR FR356195A patent/FR356195A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR356195A (fr) | 1905-11-22 |
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