CHEMICAL ANALYSIS DEVICE
This chemical analysis device (100) is provided with: a plurality of ultrasonic elements (202); a waveform generator (203) which generates an ultrasonic waveform; a determiner (207) which determines the positions and the number of ultrasonic elements (202) to be driven from among the plurality of ul...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | This chemical analysis device (100) is provided with: a plurality of ultrasonic elements (202); a waveform generator (203) which generates an ultrasonic waveform; a determiner (207) which determines the positions and the number of ultrasonic elements (202) to be driven from among the plurality of ultrasonic elements (202); a variable matching circuit (205) which, on the basis of the determination result, matches impedance between the waveform generator (203) and each of the ultrasonic elements (202) to be driven; and a switch (209) which selects the ultrasonic elements (202) to be driven from among the plurality of the ultrasonic elements (202). |
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