Calibration methods for near-field acoustic imaging systems
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United States of America Patent
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May 22, 2018
Issued Date -
N/A
app pub date -
Mar 5, 2015
filing date -
Sep 30, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
An acoustic fingerprint imaging system is disclosed. In one embodiment, a controller can be coupled to a plurality of delay lines, each associated with a particular transducer. The controller can determine an interrogation point to focus acoustic energy. The controller can direct each of the plurality of delay lines to apply a delayed activation pulse to each transducer based, at least in part, on the transducer's distance from the interrogation point.
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International Classification(s)
- G06N:COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL M....
- H03L:AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR S....
- H03K:PULSE TECHNIQUE
- H04N:PICTORIAL COMMUNICATION, e.g. TELEVISION
- G10K:SOUND-PRODUCING DEVICES
- G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....
- G01S:RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMI....
- G01C:MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING....
- G06K:RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD ....
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