Ultrasound imaging apparatus

Even when electroacoustic conversion elements with high nonlinearity are employed, a nonlinear imaging is carried out with extracting more nonlinear components. An ultrasonic wave beam is transmitted twice from the transmitter to an identical position on the imaging target, and the signal processor...

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Bibliographic Details
Main Authors Takenaka Tomoko, Hashiba Kunio, Tanaka Hiroki, Sako Akifumi, Ishihara Chizue
Format Patent
LanguageEnglish
Published 09.05.2017
Subjects
ANALOGOUS ARRANGEMENTS USING OTHER WAVES
DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
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:Even when electroacoustic conversion elements with high nonlinearity are employed, a nonlinear imaging is carried out with extracting more nonlinear components. An ultrasonic wave beam is transmitted twice from the transmitter to an identical position on the imaging target, and the signal processor performs computation on the reception signals obtained in every transmission performed twice, thereby extracting a nonlinear component included in the reception signals. In one transmission out of the transmission performed twice, the transmitter delivers the transmission signal to all of multiple electroacoustic conversion elements for driving the electroacoustic conversion elements, and in the other transmission, the transmission signal is delivered selectively only to a part of the multiple electroacoustic conversion elements for driving the electroacoustic conversion elements.
Bibliography:Application Number: US201213985122