| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an ultrasound diagnostic apparatus capable of obtaining a high-quality ultrasound image while suppressing the temperature rise in an ultrasound probe. <P>SOLUTION: The ultrasound probe includes: a reception amplification part including an amplifier for amplifying a reception signal outputted from a transducer array; and a power supply part for supplying bias current to the amplifier. The power supply part changes the bias current supplied to the amplifier according to the depth of a reflection position of an ultrasound echo. <P>COPYRIGHT: (C)2013,JPO&INPIT |
