Communications – electrical: acoustic wave systems and devices – Acoustic image conversion
Patent
1999-05-07
2000-09-19
Pihulic, Daniel T.
Communications, electrical: acoustic wave systems and devices
Acoustic image conversion
367138, G03B 4206
Patent
active
061222224
ABSTRACT:
A transmit beamformer includes multiple transducers, each responsive to a respective transmit waveform to produce a respective transducer waveform. A transmit waveform generator generates the transmit waveforms, and the transmit waveforms each include multiple frequency components. Progressively higher frequency components of the transmit waveforms are timed to cause corresponding progressively higher frequency components of the transducer waveforms to focus along a line at progressively shorter ranges. In this way, a frequency dependent line focus is achieved.
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Hossack John A.
Mo Jian-Hua
Acuson Corporation
Pihulic Daniel T.
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