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New TV screen lets you smell food!

Posted: 03 Apr 2013     Print Version  Bookmark and Share

Keywords:smelling screen  LCD  olfactory display system 

This TV will let you smell the coffee it’s displaying on screen. Scientists at Tokyo University of Agriculture and Technology in Japan have invented what they call as “smelling screen.”

Invented by Haruka Matsukura and team, the “smelling screen” television makes smells appear to come from the exact spot on LCD screen that is showing the image of any food item, for example a cup of coffee.

The smelling screen, also known as an olfactory display system, was shown at the IEEE Virtual Reality conference in Orlando, Florida, last week.

“The smelling screen is a new olfactory display that can generate a localised odour distribution on a two-dimensional display screen,” the researchers stated.

“The generated odour distribution is as if an odour source had been placed on the screen, and leads the user to perceive the odour as emanating from a specific region of the screen. The position of this virtual odour source can be shifted to an arbitrary position on the screen. The user can freely move his/her head to sniff at various locations on the screen, and can experience realistic changes in the odour intensity with respect to the sniffing location.”

According to New Scientist, the technology works by feeding odours from vaporising gel pellets into four air streams, one in each corner of the screen. The streams are blown out by fans, and they can be varied in strength and direction.

Matsukura said a next step in their research will be incorporating a cartridge which allows smells to be changed easily.

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