CPC B60R 13/10 (2013.01) [B60L 58/16 (2019.02); G01R 31/374 (2019.01); G01R 31/392 (2019.01); H04W 52/0248 (2013.01); H04W 52/0254 (2013.01)] | 17 Claims |
1. A power system comprising:
a digital license plate having a processor and a plurality of operation states corresponding to different power consumption levels;
a sensor configured to measure one parameter of a physical environment surrounding the digital license plate;
storage memory; and
a battery status monitor operable comprising an analog to digital converter (ADC) connected to a battery to provide status data to the processor in the digital license plate, with status data being stored in the storage memory, and with a determination of battery lifetime being made based at least in part on a variation of the status data over time and the measurements from the sensor, wherein
the processor switches the digital license plate between the operation states based at least on the determination of the battery's lifetime.
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