Will Microsoft’s next HoloLens be able to tell where you’re looking? Patent suggests the firm could be working on eye tracking technology

The ability to browse a website without needing to as much as move your hand could soon be a possibility with Microsoft’s next HoloLens device.

Microsoft has filed a patent for new eye-tracking technology for head-mounted displays (HMDs).

The technology uses infrared beams to track the eyes, reducing the need for clunky cameras that obstruct your view as seen in current devices on the market.

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Microsoft has filed a patent for new eye-tracking technology for head-mounted displays (HMDs). The technology uses infrared beams to track the eyes, reducing the need for clunky cameras that obstruct your view as seen in current devices on the market

Microsoft has filed a patent for new eye-tracking technology for head-mounted displays (HMDs). The technology uses infrared beams to track the eyes, reducing the need for clunky cameras that obstruct your view as seen in current devices on the market

HOW WILL IT WORK?

The glasses will use ‘wave guides’ to track infrared-lit eyes.

The patent states: ‘A waveguide, which can be used in a head mounted display (HMD), but is not limited for use therewith, is transparent and includes an input-coupler and an output-coupler.

‘The input-coupler comprises a grating area, formed by plurality of curved grating lines, that diffract light beams incident on the input-coupler into the waveguide and towards a common region at which is located the output-coupler.

‘The curved grating lines of the input-coupler have a radially varying pitch.’

The patent goes on to describe how the infrared beams work with the curved grating lines of the input coupler to produce an eye-tracking effect.

The patent was uncovered by MSPoweruser, and includes a complex diagram showing how the new technology will work.

‘Wave guides’ will be used to track infrared-lit eyes, in an attempt to prevent your line of sight from being obstructed.

Currently, most eye-tracking devices rely on a clunky camera attached to the frame of the display, meaning that at least part of your view is hindered.

Alternatively, the only other eye-tracking technology available uses a reflector to bend the camera’s line of sight towards your temple.

But this is a problems for people who wear glasses, which can get in the way.

If Microsoft’s new patent is to be believed, it would remedy this problem, using a transparent wave guide to track the eyes using infrared.

The patent states: ‘A waveguide, which can be used in a head mounted display (HMD), but is not limited for use therewith, is transparent and includes an input-coupler and an output-coupler.

Read more: http://www.dailymail.co.uk/sciencetech/article-4075838/Will-Microsoft-s-HoloLens-able-tell-looking-Patent-suggests-firm-working-eye-tracking-technology.html#ixzz4UL5Ozdy0
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