Patent application for Wii Vitality Sensor shows the device can recognize breathing patterns

A patent application for Nintendo's Wii Vitality Sensor was unearthed this week.

Thankfully, it's just for Nintendo's console and not for PS3, otherwise the device would explode when we play something like Demon's Souls.

According to the the patents, found by Siliconera, the device measures a player’s "relax fluid" by monitoring the heart's cardiac cycle via 100 pulses.

It also cites examples of a stretch game where users tilt the Wiimote up and down to move a character and while doing so, the player has to adjust their breathing to match the different rising and dips in the gameplay - meaning it can determine when a player is inhaling or exhaling.

The stretch game used as an example in the patent gives players a count on amount of relax fluid they had before and after playing the title.

Supposedly, the device is a possibility for The Legend Of Zelda: Skyward Sword, and Ubisoft plans to make use of it in Red Steel 3.

How either game will use the peripheral is anyone's guess at this point, especially since Nintendo has yet to show it properly in the first place.

Thanks, Joystiq.