DRIVER DEVICE AND DRIVING METHOD FOR DRIVING A LOAD, IN PARTICULAR AN ULTRASOUND TRANSDUCER

摘要

The present invention relates to a driver device (40) for driving a load (52) having a plurality of separate capacitive load elements (52), in particular an ultrasound transducer having a plurality of transducer elements (52), comprising: input terminals (44, 46) for connecting the driver device (40) to power supply (48); a plurality of output terminals (50) each for connecting the driver device (40) to one of load elements (52), a first controllable switch (54) connected to a first of the input terminals (44), and a plurality of driving elements (42) each having a second controllable switch (60) and a resistor (58) connected in series to each other, wherein each of the driving elements (42) is connected in series with the first controllable switch (54) and to a second of the input terminals (46), and wherein each of the output terminals (50) is connected to one of the driving elements (42) for powering the load elements (52).

主权项

1. A driver device for driving a plurality of separate capacitive load elements, the device comprising:
first and second input terminals for connecting the driver device to a power supply; a plurality of output terminals each connecting the driver device to separate capacitive load elements, a first controllable switch connected to the first input terminal, and a plurality of driving elements each having a second controllable switch and a resistor connected in series to each other, wherein each of the driving elements is connected in series with the first controllable switch and to the second input terminal, and wherein each of the output terminals is connected to one of the driving elements for powering the load elements.