US Patent 10426214 Protective head gear with moveable members

Disclosed are devices, systems, methods, products, and implementations, including a head gear device that includes a helmet adapted to be worn by a user, at least one sensor to measure one or more of, for example, force and/or motion, and one or more moveable members, the one or more moveable members configured to be displaced to apply a counterforce to a head of the user based, at least in part, on detection of one or more of, for example, a force component applied to the user and/or motion undergone by the user.