DE1798100A1 - Geraet fuer die Geschwindigkeitsmessung - Google Patents
Geraet fuer die GeschwindigkeitsmessungInfo
- Publication number
- DE1798100A1 DE1798100A1 DE19681798100 DE1798100A DE1798100A1 DE 1798100 A1 DE1798100 A1 DE 1798100A1 DE 19681798100 DE19681798100 DE 19681798100 DE 1798100 A DE1798100 A DE 1798100A DE 1798100 A1 DE1798100 A1 DE 1798100A1
- Authority
- DE
- Germany
- Prior art keywords
- frequency
- demodulator
- receiver
- transmitter
- amplitude
- 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.)
- Pending
Links
- 238000005259 measurement Methods 0.000 title description 8
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 230000005284 excitation Effects 0.000 claims description 2
- 230000010355 oscillation Effects 0.000 claims 1
- 238000002604 ultrasonography Methods 0.000 description 8
- 239000013078 crystal Substances 0.000 description 7
- 230000017531 blood circulation Effects 0.000 description 5
- 239000008280 blood Substances 0.000 description 2
- 210000004369 blood Anatomy 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000035559 beat frequency Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/663—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters by measuring Doppler frequency shift
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/06—Measuring blood flow
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681798100 DE1798100A1 (de) | 1968-08-22 | 1968-08-22 | Geraet fuer die Geschwindigkeitsmessung |
| AT708269A AT285031B (de) | 1968-08-22 | 1969-07-23 | Gerät für die Geschwindigkeitsmessung |
| FR6927529A FR2016162A1 (enrdf_load_stackoverflow) | 1968-08-22 | 1969-08-11 | |
| NL6912599A NL6912599A (enrdf_load_stackoverflow) | 1968-08-22 | 1969-08-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681798100 DE1798100A1 (de) | 1968-08-22 | 1968-08-22 | Geraet fuer die Geschwindigkeitsmessung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1798100A1 true DE1798100A1 (de) | 1971-11-04 |
Family
ID=5708773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681798100 Pending DE1798100A1 (de) | 1968-08-22 | 1968-08-22 | Geraet fuer die Geschwindigkeitsmessung |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT285031B (enrdf_load_stackoverflow) |
| DE (1) | DE1798100A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2016162A1 (enrdf_load_stackoverflow) |
| NL (1) | NL6912599A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1313534A (en) * | 1970-05-06 | 1973-04-11 | Parke Davis & Co | Electroacoustic investigation apparatus |
| US4313444A (en) * | 1979-05-14 | 1982-02-02 | New York Institute Of Technology | Method and apparatus for ultrasonic Doppler detection |
-
1968
- 1968-08-22 DE DE19681798100 patent/DE1798100A1/de active Pending
-
1969
- 1969-07-23 AT AT708269A patent/AT285031B/de not_active IP Right Cessation
- 1969-08-11 FR FR6927529A patent/FR2016162A1/fr not_active Withdrawn
- 1969-08-19 NL NL6912599A patent/NL6912599A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2016162A1 (enrdf_load_stackoverflow) | 1970-05-08 |
| AT285031B (de) | 1970-10-12 |
| NL6912599A (enrdf_load_stackoverflow) | 1970-02-24 |
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