Ultralydfremgangsmåde og kredslöb til udövelse af fremgangsmåden

A process and circuits are disclosed for selective image reproduction and/or evaluation of the Doppler spectrum by means of ultrasonic waves in the case of objects with limited resistance to ultrasonic intensity. The process takes advantage of the possibility of generating non-linearities by adding...

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Bibliographic Details
Main Authors UHLENDORF, VOLKMAR, FRITZSCH, THOMAS, SIEGERT, JOACHIM
Format Patent
LanguageDanish
Published 13.12.2004
Edition7
Subjects
ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES
MEASURING
MEDICAL OR VETERINARY SCIENCE
PHYSICS
RADIO DIRECTION-FINDING
RADIO NAVIGATION
SURGERY
TESTING
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Summary:A process and circuits are disclosed for selective image reproduction and/or evaluation of the Doppler spectrum by means of ultrasonic waves in the case of objects with limited resistance to ultrasonic intensity. The process takes advantage of the possibility of generating non-linearities by adding ultrasonic contrast agents to the inspection zone and allows improved images to be obtained, by evaluating additional frequency ranges.
Bibliography:Application Number: DK19910000316