DE85784C - - Google Patents
Info
- Publication number
- DE85784C DE85784C DENDAT85784D DE85784DC DE85784C DE 85784 C DE85784 C DE 85784C DE NDAT85784 D DENDAT85784 D DE NDAT85784D DE 85784D C DE85784D C DE 85784DC DE 85784 C DE85784 C DE 85784C
- Authority
- DE
- Germany
- Prior art keywords
- membrane
- cavity
- vibrations
- rod
- audible
- 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
- 239000012528 membrane Substances 0.000 claims description 11
- 210000005069 ears Anatomy 0.000 claims 1
- 229920001875 Ebonite Polymers 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 210000002388 eustachian tube Anatomy 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B7/00—Instruments for auscultation
- A61B7/02—Stethoscopes
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Percussion Or Vibration Massage (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE85784C true DE85784C (OSRAM) |
Family
ID=357893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT85784D Active DE85784C (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE85784C (OSRAM) |
-
0
- DE DENDAT85784D patent/DE85784C/de active Active
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