| 摘要 |
a probe which sends an ultrasonic signal to an object, and comprises a number of unit components(EL) to receive the ultrasonic signal reflected from the object; an amplifier(AMP) to amplify the ultrasonic signal received from the probe; a delayer(DLY) to delay the ultrasonic signal; an adder to add the ultrasonic signal; and a multiplexing part which is connected between the unit components and the amplifier, and puts the unit components into one unit component and outputs it to the amplifier.
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