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1. (WO2018016241) ULTRASONIC DIAGNOSTIC DEVICE

Pub. No.:    WO/2018/016241    International Application No.:    PCT/JP2017/022083
Publication Date: Fri Jan 26 00:59:59 CET 2018 International Filing Date: Fri Jun 16 01:59:59 CEST 2017
IPC: A61B 8/00
Applicants: HITACHI, LTD.
株式会社日立製作所
Inventors: TANAKA, Satoshi
田中 諭
TAKENAKA, Tomoko
竹中 智子
Title: ULTRASONIC DIAGNOSTIC DEVICE
Abstract:
In the present invention, a biosignal processing circuit includes a level adjustment circuit, an amplifier circuit, conversion circuits (ADCs), etc. In feedback control performed by the level adjustment circuit, the DC level of an analog signal to be inputted to the amplifier circuit is automatically adjusted to an input reference level of the amplifier circuit. Then, the gain of the amplifier circuit is adjusted such that a synchronization signal is properly generated.