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A German engineering student has invented a ‘mobile airbag’ case design that automatically deploys when a phone is dropped.

Philip Frenzel, a 25-year-old student from Aalen University in Germany, came up with the idea after breaking his smartphone by throwing his jacket over a bannister. The impact had caused the electronics inside the handset to break. Frenzel then started looking for developing a system to prevent dropped phones from breaking. He wanted a case that is smaller and advanced instead of being big and bulky. Following four years of tinkering, he invented a case that comes with sensors that can detect when the phone is in free-fall.

It’s called the AD Case (“AD” stands for active damping) and comes all the way from Germany.

However, those bouncy springs may not offer 100 percent protection.

If your phone is dropped on an uneven surface there’s still a possibility it could get damaged. Frenzel’s invention is still a hit, though. It won a top award from the German Society for Mechatronics in 2018

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