COMMUNICATION BETWEEN A SENSOR AND A PROCESSING UNIT OF A METAL DETECTOR
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United States of America Patent
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app pub date -
Jun 20, 2013
filing date -
Dec 24, 2010
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Abandoned
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Abstract
A method for improving a performance of a metal detector, including: generating a transmit signal; generating a transmit magnetic field based on the transmit signal for transmission using a magnetic field transmitter; sending a receive signal based on a receive magnetic field received by a magnetic field receiver to a processing unit of the metal detector; sending a communication signal, including information from a sensor, to the processing unit; and processing the receive signal with the communication signal to produce an indicator output signal indicating a presence of a target under an influence of the transmit magnetic field; wherein one or more characteristics of the communication signal are selected based on the transmit signal to reduce or avoid an interference of the communication signal to the receive signal.
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