Ultrasonic imaging apparatus and ultrasonic imaging method

Details Ultrasonic imaging apparatus and ultrasonic imaging method Ultrasonic imaging apparatus and ultrasonic imaging method

2005-12-13

2005-12-13

Kwok, Helen (Department: 2856)

Measuring and testing

Vibration

By mechanical waves

C073S620000

Reexamination Certificate

active

06973831

ABSTRACT:
An ultrasonic imaging apparatus capable of scanning an object at a high speed while obtaining necessary information. The apparatus includes an ultrasonic probe for transmitting and receiving ultrasonic waves, an excitation timing controller for providing delays to a plurality of drive signals so as to scan the object by using the ultrasonic beam with a scanning line density, a phase matching calculating unit for processing electric signals obtained by receiving the ultrasonic echoes to obtain detection signals representing ultrasonic information along scanning lines respectively, a discontinuous region determining unit for determining continuity of a boundary of medium residing within the object on the basis of the plurality of detection signals, and a scan control unit for setting up a lower scanning line density and then a higher scanning line density for the excitation timing controller based on a determination result of the discontinuous region determining unit.

REFERENCES:
patent: 5140558 (1992-08-01), Harrison et al.
patent: 5144954 (1992-09-01), Satake
patent: 6635018 (2003-10-01), Kawagishi et al.
patent: 6688177 (2004-02-01), Wiesauer

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