DoCoMo phone cases detect radiation, bad breath

The case displays ambient radiation in real time, including energy picked up from these radium pellets.

Tim Hornyak/CNET)

MAKUHARI, Japan–Want to add functionality to your smartphone? NTT DoCoMo is showing off phone cases at Ceatec 2011 here that can detect ultraviolet and gamma radiation, bad breath, and even how fat you are.

On the opening day of the trade show outside Tokyo, visitors flocked to see the phone jackets, which are larger than regular cases due to the sensors they incorporate. They were on display with a DoCoMo Medias smartphone, and don’t have a release date yet.

“You blow into these sensors to measure how much alcohol you have consumed, or whether you have bad breath,” says Masanori Ishida of DoCoMo’s Advanced Technology Group, pointing out a breath sensor on one of the prototypes. “Data from this UV sensor, meanwhile, can be quickly posted to an online map of your area.”

Another case has four metallic sensors that you press with your fingers to get a reading of your body fat. After inputting your height, age, and weight, an associated app will tell you whether you’re carrying around a few too many pounds.

If you can't stop eating, a breath acetone sensor in your phone will start nagging you.

[Read more]

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