The 3D Now Theater is a universal processor that converts any 2D HD display with an HDMI input – new or old – into a stereoscopic 3D display

via Convert your 2D Display to 3D: 3D Now Theater to Launch at CES 2012 | AVForums.com – UK Online.

This makes sense to me. Uses the interleaved frames to create separate left and right images synchronized with 3D glasses. Would love to have one of these!

(As I write this I am remastering my 3D video from last week after learning more from that experience and doing a better job of placing the images in 3-space.)