US Patent 9786174 Power consumption enhanced parking system

There is provided a parking system comprising a parking lot device and a parking vehicle device configured for an enhanced management of power consumption such that the parking lot device uses self-generated energy and conducts tasks requiring a lower power consumption level and wherein the parking vehicle device uses the vehicle battery and is configured to conduct tasks requiring a higher power consumption level, where both the PLD and the PVD are configured to work in a coordinated manner to sleep and wake up only when required in order to minimize power consumption.