Conference System

	PAT. NO.	Title
51	5,428,604	Training method for an echo canceller for use in a voice conference system
52	5,406,638	Automated conference system
53	5,404,397	Conference system with automatic speaker detection and speaker unit
54	5,323,445	Multi-location television conference system
55	5,272,526	Television conference system
56	5,206,721	Television conference system
57	5,050,160	Training method for an echo canceller for use in a voice conference system
58	5,027,393	Voice conference system using echo cancellers
59	5,003,532	Multi-point conference system
60	4,961,211	Television conference system including many television monitors and method for controlling the same
61	4,730,306	Conference system
62	4,726,016	Conference system
63	4,654,483	Electronic conference system
64	4,605,823	Phone conference system
65	4,479,195	Data conference system
66	4,477,696	Conference system for telephony
67	4,425,478	Conference system for telephony
68	4,139,731	Telephone conference system with active analog conference
69	4,054,908	Videotelephone conference system