One bold image shows a player with two devices strapped to his ankles, performing a backwards flip to kick a digital soccer ball -- Sony is apparently very confident about the patent's potential tracking accuracy.

ENGADGET: Sony patent application reimagines PlayStation Move with ultrasonic capabilities, IR emitters

As OEMs also look to implement more flexible input options for consumers, the Synaptics ClearPad 3400 allows simultaneous pen and finger touch recognition, passive pen tracking with pinpoint accuracy, and linearity and jitter control that functions with any number of fingers and styluses as small as 2mm.

ENGADGET: Synaptics launches a pair of mobile touchscreens at MWC 2013

The discussion established that while the B-2 may occasionally be detected by some radars, its stealth technology reduces the radar cross-section of the B-2 to the point where radar tracking of the requisite continuity and accuracy is impossible.

CENTERFORSECURITYPOLICY: Roundtable Discussion On The B-2 Bomber

Based on proprietary computer vision software and high speed color cameras, OpenStage provides many important capabilities, including multiple actor tracking, basic prop tracking, no backdrop, larger scanning space, increased accuracy, portability, and other features.

ENGADGET: Organic Motion's OpenStage motion capture system grabs 200FPS, no backdrop required (video)

The reason they call it a "family system" or a "layered defense" is that the tracking and targeting systems of each layer of technology enhance each others accuracy.

CENTERFORSECURITYPOLICY: 33 Minutes