Abstract
This disclosure describes techniques for improving the responsiveness of wearable devices, such as smartwatches, by predicting when a user is about to interact with the device. Often, wearable devices use a low-power co-processor to show a basic watch face while the main application processor is asleep to save battery. However, waiting for a physical touch or button press to wake the main processor can cause a noticeable and frustrating delay. The described techniques use sensors like accelerometers and gyroscopes to define an interaction zone, which is a specific physical position where the device is likely visible to the user's eye. When the device enters this zone, the main processor is preemptively woken up to a ready state. If the user then touches the screen or presses a button, the device responds instantly without the usual wake-up lag. This approach, which may also be referred to as predictive wake-up, gaze-aware activation, or intent-based processing, improves a user experience while maintaining long battery life by keeping the main processor asleep when the device is not being viewed.
Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 License.
Recommended Citation
Almalki, Nazih and Shevde, Sumukh A., "LOW LATENCY WAKE UP OF WEARABLE DEVICES", Technical Disclosure Commons, ()
https://www.tdcommons.org/dpubs_series/9827