On June 17, it was reported that Microsoft's tablet computers Surface Pro and Surface Go are compatible with the company's Surface stylus. According to foreign media reports, Microsoft has submitted a patent application to the U.S. Patent and Trademark Office, which indicates that Microsoft plans to add new functions to its new stylus. The patent, entitled "Dynamic Interactive Adaptation of Digital Ink Devices", was submitted in December 2017 and announced last week.

A Surface Pen (called a digital ink device in the patent file) appears in the patent image. Its status bar can "provide context sensitive information". In the "first interaction mode", the touch screen status bar allows the user to select the stroke thickness, the color of the image drawn with a pen, and other UI options. The pen also provides users with email notification. Once the pen contacts Surface Pro, Surface Go or other Windows 10 compatible devices, it will enter the "second interaction mode", displaying only email notification and battery status.

According to the patent description, The options on the pen screen of the touch screen will change according to "the way the user holds the pen, the user's fingerprint, the angle and/or distance of the digital ink device relative to the paired computer, the specific way the user holds the digital ink device, the pressure used to hold the digital ink device, the contact pressure between the digital ink device and the paired computer, or another gesture performed by the user".

Although many technology companies apply for a large number of patents every year, not all technologies will be applied to products. I hope this surface pen with touch screen can be launched.

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