Ultrasound transmitting circuit and ultrasound transmitting system having a plurality of ultrasound transmitting circuits
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Apr 3, 2001
Grant Date -
N/A
app pub date -
Jun 15, 1999
filing date -
Jun 15, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ultrasound transmitting circuit includes an electrical transmitter from which electrical oscillations can be fed at an electrical transmission power level over a connecting line into an ultrasound transducer. The electrical oscillations are formed of a current signal and a voltage signal. The ultrasound transducer can be excited by the electrical oscillations to produce ultrasound oscillations. In order to allow ultrasound oscillation power to be controlled more accurately, the current signal and the voltage signal can be supplied to a phase regulator. A variable impedance, which is coupled to the connecting line, can be actuated by the phase regulator in such a manner that the current signal and the voltage signal are in phase.
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