| 摘要 |
PROBLEM TO BE SOLVED: To provide ultrasonic diagnostic equipment which can be realized by an inexpensive and small-scale circuit constitution by reducing restriction of the saturation of a reception amplifier so as to amplify to a signal amplitude required by an amplifier of one stage, so that a high pass filter is not required. SOLUTION: A fundamental wave component reduction filter is constituted by connecting a capacitor to a part of an inductor for a parallel resonance circuit in the ultrasonic diagnostic equipment which transmits sonic waves to a patient in a fundamental wave band from an ultrasonic vibrator, which receives a harmonic signal occurring at the patient by the ultrasonic vibrator, and which amplifies the received harmonic signal by the amplifier through the parallel resonance circuit to display on an ultrasonic tomographic image. COPYRIGHT: (C)2006,JPO&NCIPI
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