Computer hardware and software systems, comprised of stand-alone computer peripheral devices and related computer software, for enabling positional tracking, gesture recognition, and optical motion sensing and tracking, all for the responsive operation and remote control of computing, electronic and entertainment devices; computer software in the nature of a software development platform allowing third party developers to enable their applications and equipment to be controlled using positional tracking, gesture recognition, and optical motion sensing and tracking; interactive virtual reality, augmented reality, and mixed reality systems, comprising headsets, handheld controllers, external sensors and cameras cooperating with virtual reality, augmented reality and mixed reality headsets and controllers, and related operating system software for interactive virtual reality, augmented reality, and mixed reality systems
Electrical and Scientific Apparatus