An eye-controlled television has been unveiled at Berlin's IFA trade show.
- Haier's Gaze TV uses technology developed by Tobii, a Swedish firm which already offers eye-tracking technology for computers.
- Users control the set by staring at the top or bottom of the screen to activate a user-interface.
- The user can then change the volume, switch channel or carry out other functions by looking at icons shown on the display.
- The technology is still at prototype stage and prone to glitches, but it has the potential to offer an alternative to the traditional remote control.
- Existing smart TV's also offer hand gesture and voice controls as alternatives, but again the functions can be hit-and-miss in real-world use.
Table-top sensor
The key part of Tobii's technology is not built into the television set itself at this stage. Instead an attached sensor sits in-between the viewer and screen monitoring the person's eye movements.
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