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TUNABLE ULTRASOUND TRANSMITTER
专利权人:
发明人:
John R. Stice,Yanwei Wang,Clinton T. Siedenburg,Andrew K. Lundberg,Justin Coughlin,Max Nielsen
申请号:
US14887267
公开号:
US20160101436A1
申请日:
2015.10.19
申请国别(地区):
US
年份:
2016
代理人:
摘要:
The use of power-efficient transmitters to establish acoustic wave energy having low undesirable harmonics is achieved by adjusting the transmitter output waveform to minimize the undesirable harmonics. In one embodiment both the timing and slope of the waveform edges are adjusted to produce the desired output waveform having little or no second harmonics. In the embodiment, output waveform timing adjustments on the order of fractions of the system clock interval are provided. This then allows for very fine control of a coarsely produced waveform. In one embodiment, the user can select the fine tuning to match the transmitter output signal to a particular load transducer.
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