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Home / Technology / Apple’s patent reveals a new system for predicting when the iPhone will run out of battery

Apple’s patent reveals a new system for predicting when the iPhone will run out of battery



Apple has been working on new ways to let users know more about the device’s battery life, and it looks like the company plans to add even more related features to iOS. The US Patent & Trademark Office this week granted Apple a patent for a new system that can predict and warn the user when the iPhone battery is expected to run out.

As noted by Apple Insider, the patent is described as a “smart advice for charging notice.” Instead of helping to maintain the internal battery life that some iOS features already do, this new system will help users know how long the battery lasts during the day based on recent usage.

On current devices, the user only gets a low battery warning when it reaches 20%, but the patent shows a way to make these alerts smarter and more personal. While this works well in most scenarios, Apple provides an example where the user forgets to charge the phone overnight and only gets a low battery alert before traveling to work.

Often, an indication of “low battery”

; based on a fixed remaining charge threshold is not received in time for the user to perform a corrective action. For example, if a user usually charges their smartphone at night, but forgets to do so on one occasion, will not receive an indication of “low battery” just before going to work the next day, the user will not have time to charge their phone before the job. .

If you are a Mac user, you have probably noticed that macOS shows the estimated battery life of users – but this patent describes a more complex system than that. For example, it will identify the user’s behavior on different days of the week to adjust the battery alerts for each day. The system also works based on the user’s location, but Apple reinforces that the data will be processed locally due to privacy concerns.

Given a current charging state for a data processing system for energy storage devices, a notification can be sent to the user if there is a high probability that the user is unlikely to do so for the next charging time with high probability. […] However, if analysis of current and stored charge state information indicates that the user will not reach the next high probability of charging time without running out of energy, the data processing unit may display an advice to alert at 22.00, even if the current charge state is greater than the fixed threshold of 10% residual energy.

Although patents filed by Apple are not necessarily used, the company has recently added a new battery calibration tool for iPhone 11 users with iOS 14.5 beta. In addition, iOS also shows the maximum capacity of the device’s internal battery, so it will not be a surprise if Apple introduces a feature like this described in the patent with iOS 15.

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