Errata "All reference to Patent No. 5,508,755 to Chandrakant B. Patal et al of New Jersey for RADIO RECEIVER FOR RECEIVING BOTH VSB AND QAM DIGITAL HDTV SIGNALS appearing in the Official Gazette of April 16, 1996 should be deleted since no patent was granted." Errata "All reference to Patent No. 5,546,959 to Elaine Chen et al of Somerville Massachusetts for MULTIMODE FEEDBACK DISPLAY TECHNOLOGY appearing in the Official Gazette of August 20, 1996 should be deleted since no patent was granted."