This invention describes a way for a computer to automatically wake up from a low-power state. It works by first detecting if a known personal device, such as a paired smartphone, is nearby using its wireless signal. If that device is within a certain range, the system then performs a more precise wireless proximity check to confirm the user's actual presence. Only when the user is confirmed to be close enough does the computer fully power on.
Why it matters: Filed before widespread adoption of ultra-wideband (UWB) in consumer devices, which now offers significantly more precise and reliable wireless proximity sensing for user detection. This makes the two-step detection process more accurate and less prone to false positives.
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