Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Reexamination Certificate
2005-03-21
2010-12-14
Le, Long V (Department: 3768)
Surgery
Diagnostic testing
Detecting nuclear, electromagnetic, or ultrasonic radiation
C600S441000, C600S443000, C600S450000
Reexamination Certificate
active
07850609
ABSTRACT:
An ultrasound diagnostic apparatus comprises an ultrasound probe having a plurality of piezoelectric transducers to transmit ultrasound waves to a subject and to receive echoes from the subject, a driving unit which generates a plurality of driving signals corresponding to the plurality of piezoelectric transducers to generate the ultrasound waves therefrom, a Doppler signal detecting unit which detects Doppler signals based on the echoes, a spectrum data generating unit which generates spectrum data based on the detected Doppler signals, and a display unit which displays the spectrum data. The ultrasound diagnostic apparatus further comprises a controller which controls the driving unit to switch, in synchronization with a biomedical signal of the subject, a high-power mode in which amplitude of the driving signal is relatively high and a low-power mode in which amplitude of the driving signal is relatively low.
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Imamura Tomohisa
Takimoto Masao
Kabushiki Kaisha Toshiba
Le Long V
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Toshiba Medical Systems Corporation
Weatherby Ellsworth
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