The present invention relates to a system and method of viewing pairs of perspective images of 3-D objects (i.e. stereoscopic image pairs) displayed from a CRT display surface in a time-multiplexed or field-sequential manner, and more particularly to a universal method of generating control signals for...http://www.google.ca/patents/US6456432?utm_source=gb-gplus-sharePatent US6456432 - STEREOSCOPIC 3-D VIEWING SYSTEM WITH PORTABLE ELECTRO-OPTICAL VIEWING GLASSES AND SHUTTER-STATE CONTROL SIGNAL TRANSMITTER HAVING MULTIPLE MODES OF OPERATION FOR STEREOSCOPIC VIEWING OF 3-D IMAGES DISPLAYED IN DIFFERENT STEREOSCOPIC IMAGE FORMATS