BE705986A - - Google Patents
Info
- Publication number
- BE705986A BE705986A BE705986DA BE705986A BE 705986 A BE705986 A BE 705986A BE 705986D A BE705986D A BE 705986DA BE 705986 A BE705986 A BE 705986A
- Authority
- BE
- Belgium
- Prior art keywords
- frequencies
- parts
- pulse generator
- potentiometers
- signals
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 14
- 238000002555 auscultation Methods 0.000 claims description 11
- 238000002604 ultrasonography Methods 0.000 claims description 9
- 230000001939 inductive effect Effects 0.000 claims description 3
- 239000000523 sample Substances 0.000 description 9
- 238000013016 damping Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 238000002592 echocardiography Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/11—Analysing solids by measuring attenuation of acoustic waves
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE705986 | 1967-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE705986A true BE705986A (enrdf_load_stackoverflow) | 1968-04-30 |
Family
ID=3851762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE705986D BE705986A (enrdf_load_stackoverflow) | 1967-10-31 | 1967-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE705986A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2049304A5 (enrdf_load_stackoverflow) * | 1969-06-06 | 1971-03-26 | Realisations Ultrasoniques Sa |
-
1967
- 1967-10-31 BE BE705986D patent/BE705986A/fr not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2049304A5 (enrdf_load_stackoverflow) * | 1969-06-06 | 1971-03-26 | Realisations Ultrasoniques Sa |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE20 | Patent expired |
Owner name: VSESOJUZNY NAUCHNO-ISSLEDOVATELSKY I KONSTRIUKTOR Effective date: 19871031 |