Later versions of the Surface Pen ought to feature an accelerated accuracy inside the doodles and scribbles they produce. According to Windows Latest, Microsoft has filed a patent application that proposes using an “active stylus motion vector” to improve the accuracy of its flagship stylus.
The patent application was filed in May 2017 and turned into published on February 12, 2019. In the application, Microsoft described the usual overall performance “trade-off” that occurs between accuracy and pace:
“A contact sensor may additionally increase stylus area accuracy by way of spending extra time in a touch body on sensing stylus area. However, elevated scanning intervals can lessen replace frequency and introduce latency in interactions between the stylus and the contact sensor. This can also degrade the consumer enjoy via inflicting obvious delays among stylus inputs and resultant outputs — e.G., the show of graphical content material on a display tool operatively coupled to the touch sensor. On the alternative hand, while perfect from a velocity standpoint, decreased test duration can diminish region accuracy.”
In essence, if the era company attempted to enhance the accuracy of the Surface Pen with the aid of giving the contact sensor “greater time in a touch body” to feel the stylus’ place (known as test period), it might also sacrifice the general pace of the stylus, ensuing in a great lag among the consumer’s doodled input and when the doodle truly seems at the screen. And if Microsoft chose to decrease the test duration to avoid that lag, the velocity may growth, but the accuracy could decrease.
To deal with the above alternate-off predicament, the patent utility went on to propose the usage of an active stylus motion vector. Microsoft defined that this new approach might allow the touch sensor to decide a motion vector for the stylus, allowing it to predict the “destiny vicinity of the stylus.”
And so, since the movement vector could permit the contact sensor to simply consciousness on the anticipated moves of the stylus, the touch sensor can nonetheless as it should be feel Surface Pen’s location without growing its test length time. Basically, Microsoft’s proposed lively stylus movement vector method must enhance its stylus’ accuracy without slowing its speed.
While the patent utility’s proposed use of the active stylus motion vector isn’t guaranteed for future versions of the Surface Pen, it’s still excellent to peer Microsoft’s studies headed in what looks like the proper route for its Surface line of merchandise.
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