MOTION SENSOR DATA PROCESSING USING VARIOUS POWER MANAGEMENT MODES
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Abstract
Systems and methods for processing motion sensor data using various power management modes of an electronic device are provided. Power may be provided to a motion sensor during a first power mode of the device. In response to the motion sensor detecting a motion event with a magnitude exceeding a threshold, the sensor may transmit a wake up signal to a power management unit of the device. In response to receiving the wake up signal, the power management unit may switch the device to a second power mode. The device may provide power to a processor and load the processor with a motion sensing application when switching to the second power mode. During the second power mode, motion sensor data may be processed to determine that the motion event is not associated with an intentional user input and the device may return to the first power mode.
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Citations
38 Claims
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1-15. -15. (canceled)
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16. An electronic device comprising:
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a motion sensor; a processor; and a power management unit coupled to the motion sensor and the processor, the power management unit configured to; provide power to the motion sensor during a first inactive power mode of the device; switch from the first inactive power mode to a first active power mode of the device, in response to receiving a wake up instruction from the motion sensor, by instructing the processor to ignore an application instruction of an application; and return from the first active power mode to the first inactive power mode in response to receiving a processor instruction from the processor. - View Dependent Claims (17, 18, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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19. An electronic device comprising:
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a motion sensor; a processor; and a power management unit coupled to the motion sensor and the processor, the power management unit configured to; provide power to the motion sensor during a first inactive power mode of the device; and in response to receiving a sensor instruction from the motion sensor, prompt the device to; load a motion sensing application into the processor; and instruct the processor to bypass a device component activation step of the application. - View Dependent Claims (20, 32, 33, 34, 35, 36, 37, 38)
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Specification