DE2023928A1 - Vorrichtung zur Erkennung bewegter, fester oder flussiger Korper mittels Ultra schall - Google Patents

Vorrichtung zur Erkennung bewegter, fester oder flussiger Korper mittels Ultra schall

Info

Publication number
DE2023928A1
DE2023928A1 DE19702023928 DE2023928A DE2023928A1 DE 2023928 A1 DE2023928 A1 DE 2023928A1 DE 19702023928 DE19702023928 DE 19702023928 DE 2023928 A DE2023928 A DE 2023928A DE 2023928 A1 DE2023928 A1 DE 2023928A1
Authority
DE
Germany
Prior art keywords
demodulator
amplifier
frequency
field effect
converter
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
Application number
DE19702023928
Other languages
German (de)
English (en)
Inventor
Martin Howard Castle Rock CoI. Egh Paul Henry Collingswood NJ Wilcox (V St A)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Parke Davis and Co LLC
Original Assignee
Parke Davis and Co LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to GB1313534D priority Critical patent/GB1313534A/en
Application filed by Parke Davis and Co LLC filed Critical Parke Davis and Co LLC
Priority to DE19702023928 priority patent/DE2023928A1/de
Priority to FR7017880A priority patent/FR2091933B1/fr
Publication of DE2023928A1 publication Critical patent/DE2023928A1/de
Pending legal-status Critical Current

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—Clinical applications
    • A61B8/0866—Clinical applications 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
    • 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)
  • Radiology & Medical Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Remote Sensing (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Hematology (AREA)
  • Pregnancy & Childbirth (AREA)
  • Gynecology & Obstetrics (AREA)
  • Cardiology (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE19702023928 1970-05-06 1970-05-15 Vorrichtung zur Erkennung bewegter, fester oder flussiger Korper mittels Ultra schall Pending DE2023928A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1313534D GB1313534A (en) 1970-05-06 1970-05-06 Electroacoustic investigation apparatus
DE19702023928 DE2023928A1 (de) 1970-05-06 1970-05-15 Vorrichtung zur Erkennung bewegter, fester oder flussiger Korper mittels Ultra schall
FR7017880A FR2091933B1 (enrdf_load_stackoverflow) 1970-05-06 1970-05-15

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB2192570 1970-05-06
DE19702023928 DE2023928A1 (de) 1970-05-06 1970-05-15 Vorrichtung zur Erkennung bewegter, fester oder flussiger Korper mittels Ultra schall
FR7017880A FR2091933B1 (enrdf_load_stackoverflow) 1970-05-06 1970-05-15

Publications (1)

Publication Number Publication Date
DE2023928A1 true DE2023928A1 (de) 1971-12-02

Family

ID=27182594

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19702023928 Pending DE2023928A1 (de) 1970-05-06 1970-05-15 Vorrichtung zur Erkennung bewegter, fester oder flussiger Korper mittels Ultra schall

Country Status (3)

Country Link
DE (1) DE2023928A1 (enrdf_load_stackoverflow)
FR (1) FR2091933B1 (enrdf_load_stackoverflow)
GB (1) GB1313534A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH548196A (de) * 1972-04-19 1974-04-30 Siemens Ag Nach dem ultraschall-doppler-prinzip arbeitender herzfrequenzmesser.
FR2516781B1 (fr) * 1981-11-20 1986-05-30 Cetehor Procede pour l'enregistrement de mouvements foetaux au cours de la grossesse et appareil pour la mise en oeuvre du procede
DE4000698A1 (de) * 1990-01-12 1991-07-18 Hermesmeyer Alexander C Dipl I Vorrichtung und verfahren zum erkennen der anwesenheit eines fahrzeugs mittels einer ultraschallvorrichtung
CN102538952A (zh) * 2012-01-12 2012-07-04 中国人民解放军理工大学 一种高灵敏度雷声测试电路

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL302841A (enrdf_load_stackoverflow) * 1963-01-02
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
DE1798100A1 (de) * 1968-08-22 1971-11-04 Siemens Ag Geraet fuer die Geschwindigkeitsmessung

Also Published As

Publication number Publication date
GB1313534A (en) 1973-04-11
FR2091933B1 (enrdf_load_stackoverflow) 1974-08-09
FR2091933A1 (enrdf_load_stackoverflow) 1971-01-21

Similar Documents

Publication Publication Date Title
DE10224234B4 (de) System und Verfahren zur Phasenumkehr-Ultraschallabbildung
EP0048958B1 (de) Schaltungsanordnung zur Ermittlung und Anzeige der Unterschreitung vorgegebener Mindestabstände zwischen einem Fahrzeug und einem Hindernis
DE4405647C2 (de) Mit akustischen Oberflächenwellen arbeitende Identifizierungsmarke
DE2641901A1 (de) Ultraschall-echobildeinrichtung und -verfahren
DE10103936C2 (de) Ultraschall-Sonarsystem und -verfahren mit Verwendung einer Sendefrequenz, die von einer Nachschwingungsfrequenz verschieden ist
DE19882575B3 (de) Ultraschallbilderzeugung unter Verwendung der Fundamentalfrequenz
DE3735121C2 (enrdf_load_stackoverflow)
DE2915069C2 (de) Zeitabhängig geregelter Verstärker für Seitenabtast-Sonar
CH625409A5 (enrdf_load_stackoverflow)
CH676164A5 (enrdf_load_stackoverflow)
DE19909699A1 (de) Verfahren und Anordnung für eine gepulste Dopplerbildgebung unter Anwendung einer kodierten Anregung beim Senden und einer Pulskompression beim Empfangen
DE2041459A1 (de) Sender-Empfaenger-System zur Verarbeitung von Dopplersignalen
DE2825967C2 (de) Lidargerät
DE2744092C3 (de) Entfernungsmeßsystem zur Scharfeinstellung von Kameras
DE2023928A1 (de) Vorrichtung zur Erkennung bewegter, fester oder flussiger Korper mittels Ultra schall
DE3206111A1 (de) Wandler mit verbesserter aufloesung systeme und verfahren fuer die aussendung und/oder den empfang von durch schwingungen ausgebteiteten wellen
DE1798104A1 (de) Geraet fuer die Messung der Geschwindigkeit stroemender Medien
DE2819948A1 (de) Verbesserter elektronikteil zu einem ultraschall-echoskop
DE4320588A1 (de) Grauskalen-Fenstertechnik
EP2312333A1 (de) Verfahren und Vorrichtungen zur Ortsbestimmung eines Objekts durch Reflektionserfassung von Wellenpulsen
DE19721835C2 (de) Schaltungsanordnung zum Betreiben eines Abstandssensors, insbesondere eines Ultraschallsensors
DE10208483B4 (de) Puls-Echo-Gerät mit Verstärkereinrichtung mit wählbarer aktiver oder passiver Betriebsweise
DE2360206A1 (de) Dopplersignalempfaenger
DE4208294C2 (de) Verfahren zur Ultraschall-Detektion
EP3658955A1 (de) Verfahren zur erkennung mindestens eines im umfeld eines fahrzeugs befindlichen objekts