Patent ID: 6057811
Filing Date: 2000-05-02
Classification: G02B,H04N

Abstract:
A shutter control system for viewing one of a plurality of simultaneously displayed programs comprising:viewing glasses having left and right lenses that alternate between opaque and transmissive states during a given operating frame, each operating frame for viewing said plurality of programs including corresponding subframes each associated with one of said plurality of simultaneously displayed programs, said subframes sequentially occurring in a periodic manner;a selector operable with said glasses for selecting one of said programs;a receiver for receiving from an external source a shutter control command having embedded therein shutter control information defining operating parameters of said left and right lenses; anda control device responsive to said selector for varying said operating parameters of said left and right lenses in accordance with said received shutter control information corresponding to a selected program such that said left and right lenses in each operating frame permit viewing only said selected program.