Ultrasonic imaging apparatus for reading and decoding machine-readable matrix symbols
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United States of America Patent
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Sep 1, 2015
Grant Date -
Oct 2, 2014
app pub date -
Mar 3, 2014
filing date -
Oct 14, 2008
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Abstract
There is provided an apparatus and method for reading matrix codes comprising an ultrasound transducer 20 which comprises transmitter and receiver electrodes, a receiver unit 24 connected to the receiver electrodes for processing the signals received by the receiver electrodes, and a transmitter module 21 connected to the transmitter electrodes, the transmitter module transferring an electronic signal to the transducer, where the signal shape is selected between a number of signal shapes according to the characteristics of the matrix code to be read.
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