Mobile devices and methods of operating mobile devices are disclosed herein. In one embodiment, a mobile device includes a rechargeable battery, a battery charger electrically coupled to the battery, and an image sensor operably coupled to the battery charger to selectively charge the battery. As such,...http://www.google.de/patents/US20050212957?utm_source=gb-gplus-sharePatent US20050212957 - Mobile devices having an image sensor for charging a battery
