AUTOMATIC TRIGGER STRATEGY FOR CLEARING EXTERIOR BIOMETRIC SENSORS
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United States of America Patent
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Issued Date -
Apr 25, 2024
app pub date -
Oct 18, 2022
filing date -
Oct 18, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
While a vehicle is off, an automatic trigger strategy activates a heating device that melts snow and ice off exterior vehicle sensors as it is needed. The automatic trigger strategy determines when to turn on the heating device while the vehicle is in a limited power state by using data pulled from memory or data obtained from a current data check. Collected, analyzed, and stored during key-off, data pulled from memory allows the invention to accurately choose the correct time to start the heating device without consuming additional power. If current data checks are required because data saved at key-off is not enough information to execute a decision, the invention may determine the least power consuming data checks. A power manager extends a threshold that is dependent on the energy reserve. Once the energy reserve is below the threshold, the power manager inactivates the heating device and voids manual commands.
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