FR2091933A1 - - Google Patents
Info
- Publication number
- FR2091933A1 FR2091933A1 FR7017880A FR7017880A FR2091933A1 FR 2091933 A1 FR2091933 A1 FR 2091933A1 FR 7017880 A FR7017880 A FR 7017880A FR 7017880 A FR7017880 A FR 7017880A FR 2091933 A1 FR2091933 A1 FR 2091933A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/02—Measuring pulse or heart rate
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
- A61B8/0866—Detecting organic movements or changes, e.g. tumours, cysts, swellings involving foetal diagnosis; pre-natal or peri-natal diagnosis of the baby
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/48—Diagnostic techniques
- A61B8/488—Diagnostic techniques involving Doppler signals
-
- 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
-
- 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
- G01F1/667—Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
- G01P5/241—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by using reflection of acoustical waves, i.e. Doppler-effect
- G01P5/242—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by using reflection of acoustical waves, i.e. Doppler-effect involving continuous, e.g. modulated or unmodulated, waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/50—Systems of measurement, based on relative movement of the target
- G01S15/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S15/523—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
Landscapes
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Remote Sensing (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Radar, Positioning & Navigation (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Hematology (AREA)
- Cardiology (AREA)
- Multimedia (AREA)
- Aviation & Aerospace Engineering (AREA)
- Gynecology & Obstetrics (AREA)
- Pregnancy & Childbirth (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1313534D GB1313534A (en) | 1970-05-06 | 1970-05-06 | Electroacoustic investigation apparatus |
DE19702023928 DE2023928A1 (en) | 1970-05-06 | 1970-05-15 | Device for the detection of moving, solid or liquid bodies by means of ultrasound |
FR7017880A FR2091933B1 (en) | 1970-05-06 | 1970-05-15 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2192570 | 1970-05-06 | ||
DE19702023928 DE2023928A1 (en) | 1970-05-06 | 1970-05-15 | Device for the detection of moving, solid or liquid bodies by means of ultrasound |
FR7017880A FR2091933B1 (en) | 1970-05-06 | 1970-05-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2091933A1 true FR2091933A1 (en) | 1971-01-21 |
FR2091933B1 FR2091933B1 (en) | 1974-08-09 |
Family
ID=27182594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7017880A Expired FR2091933B1 (en) | 1970-05-06 | 1970-05-15 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2023928A1 (en) |
FR (1) | FR2091933B1 (en) |
GB (1) | GB1313534A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2180881A1 (en) * | 1972-04-19 | 1973-11-30 | Siemens Ag | |
FR2516781A1 (en) * | 1981-11-20 | 1983-05-27 | Cetehor | METHOD FOR RECORDING FETAL MOVEMENTS DURING PREGNANCY AND APPARATUS FOR IMPLEMENTING THE METHOD |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4000698A1 (en) * | 1990-01-12 | 1991-07-18 | Hermesmeyer Alexander C Dipl I | DEVICE AND METHOD FOR DETECTING THE PRESENCE OF A VEHICLE BY MEANS OF AN ULTRASONIC DEVICE |
CN102538952A (en) * | 2012-01-12 | 2012-07-04 | 中国人民解放军理工大学 | High-sensitivity thunder test circuit |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB990309A (en) * | 1963-05-01 | 1965-04-28 | Atomic Energy Authority Uk | Improvements in or relating to electric circuits for matching high impedance signal sources to low impedance loads |
US3348062A (en) * | 1963-01-02 | 1967-10-17 | Rca Corp | Electrical circuit employing an insulated gate field effect transistor having output circuit means coupled to the substrate thereof |
NL6912599A (en) * | 1968-08-22 | 1970-02-24 |
-
1970
- 1970-05-06 GB GB1313534D patent/GB1313534A/en not_active Expired
- 1970-05-15 DE DE19702023928 patent/DE2023928A1/en active Pending
- 1970-05-15 FR FR7017880A patent/FR2091933B1/fr not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3348062A (en) * | 1963-01-02 | 1967-10-17 | Rca Corp | Electrical circuit employing an insulated gate field effect transistor having output circuit means coupled to the substrate thereof |
GB990309A (en) * | 1963-05-01 | 1965-04-28 | Atomic Energy Authority Uk | Improvements in or relating to electric circuits for matching high impedance signal sources to low impedance loads |
NL6912599A (en) * | 1968-08-22 | 1970-02-24 |
Non-Patent Citations (7)
Title |
---|
(REVUE BRITANNIQUE"MEDICAL & BIOLOGICAL ENGINEERING"VOL:7,NO 6 NOVEMBRE 1969,PAGES 641-652:" * |
A RANGE-GATED UL TRASONIC DOPPLER SYSTEM" P.N.T.WELLS FIGURE 1 * |
AMPLIFICATEURS COUPLES A CE TRANSDUCTEUR ET EXCITES PAR LUI,DES MOYENS DETECTEURS DEMODULATOR * |
DE642,COLONNE DE GAUCHE,LIGNES 26-35.LE TRANSDUCTEUR COMPORTEUN COMPOSANT EMETTEUR ET UN COMPOSANT RECEPTEUR QUI PERMET DE RECEVOIR DE L'ENERGIE REFLECHIEA DES FREQUENCES EGALES A LA FREQUENCE EMISE OU DECALEES PAR RAPPORT A CELLE-CI DANS UNEMESURE COMPRISE DANS LA GAMME DES FREQUENCES ACOUSTIQUES ET DE CONVERTIR CETTE ENERGIE RECUEEN UN SIGNAL ELECTRIQUE.UN OSCILLATEUR COUPLE AVEC L'EMETTEUR LUI FOURNIT DE L'ENERGIEELECTRIQUE.DES FILTRES PASSE-BANDE COUPLES AVEC LE RECEPTEUR PEUVENT ETRE APPLIQUES.(MODULATION DE FREQUENCE.PAGE) * |
EXCITES PAR LESDITS MOYENS * |
LIGNES 2-14.APPAREIL DE DETECTION DE CIBLES MOBILES COMPORTANT UN TRANSDUCTEUR,DES MOYENS * |
PAGE 642,COLONNE DE GAUCHE, * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2180881A1 (en) * | 1972-04-19 | 1973-11-30 | Siemens Ag | |
FR2516781A1 (en) * | 1981-11-20 | 1983-05-27 | Cetehor | METHOD FOR RECORDING FETAL MOVEMENTS DURING PREGNANCY AND APPARATUS FOR IMPLEMENTING THE METHOD |
EP0080417A1 (en) * | 1981-11-20 | 1983-06-01 | Universite De Franche-Comte | Method of recording foetal movements during pregnancy, and apparatus therefor |
Also Published As
Publication number | Publication date |
---|---|
DE2023928A1 (en) | 1971-12-02 |
FR2091933B1 (en) | 1974-08-09 |
GB1313534A (en) | 1973-04-11 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
TP | Transmission of property | ||
ST | Notification of lapse |