BATTERY CELL POSITION DETERMINATION
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United States of America Patent
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Issued Date -
Jul 18, 2024
app pub date -
May 11, 2022
filing date -
May 12, 2021
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Abstract
A battery system (200) comprising a plurality of battery cells (210) and a plurality of monitoring devices (215) for to monitoring characteristics of the plurality of battery cells (210) is disclosed wherein the plurality of monitoring devices (215) are communicatively coupled via a near field radio coupling with an antenna (260) configured as a loop. A controller (250) causes a radio manager (270) to transmit a plurality of signals of different frequencies in a first and then a second direction around the antenna (260). The controller (250) can then determine the position of a monitoring device (215) along the length of the antenna (260) based on an observed rate of change of phase difference of signals transmitted in different directions around the antenna (260) with frequency observed at the monitoring device (215).
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