Smart Speaker Power Management
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Mar 10, 2022
app pub date -
Dec 4, 2020
filing date -
Dec 4, 2020
priority date (Note) -
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Abstract
A smart speaker power controller may be configured to receive power conforming to one of a plurality of power modes from an input power source. The power controller may be further configured to communicate the power mode to at least one component of a processing system or at least one component of an audio system for operating the smart speaker according to the received power mode, including determining a current limit of a power converter; determining a shutdown voltage threshold and safely shutting down the smart speaker if the input voltage falls below the threshold, and/or modifying audio operation of the smart speaker in response to the power mode. The smart speaker can further include an audio power supply controller configured to monitor energy required to reproduce an audio signal and to servo a power supply voltage provided to an audio amplifier in response to this energy level.
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