Future Surface Pen could be powered by the light on your device's display
Microsoft was recently granted a patent that could hateful a Surface Pen future without batteries. The patent, first spotted by Digital Trends (via OnMSFT), was published on June 7 by the US Patent and Trademark Office and describes a housing that would provide power to the Surface Pen by harvesting and storing energy from the light emitted past your Surface's brandish.
The housing holds a panel of solar cells that would sit down most the tip or the pen and so information technology remains close to the screen while inking. The solar cells would exist configured to blot light through a window, transferring it to an optical diffuser that would and then apply the generated energy to recharge the pen.
"Due to the close proximity of the stylus to the touch screen during harvesting, the intensity of light that is nerveless from the electronic display is significantly higher than intensity from ambient lighting in a room or from outdoor lighting," Microsoft says. "The higher intensity light may pb to harvesting at a faster charge per unit."
For charging while not in use, Microsoft also provided an case of a dock with an LED light within that could charge the stylus while at rest.
It'south worth keeping in heed that this is only a patent, so information technology's entirely possible nosotros'll never see this idea make its fashion to a terminal product. Nevertheless, it's an interesting look at one of the ideas Microsoft is exploring for a potential future stylus. And information technology's not the first wait at Surface Pen innovations nosotros've seen in recent months. In February, two patent filings showed that Microsoft is experimenting with a touch-sensitive clip and a haptic feedback mechanism that could make their fashion into a hereafter production.
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Source: https://www.windowscentral.com/future-surface-pen-could-be-powered-light-your-devices-display
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