(12) United States Patent (10) Patent No.: US 9,648,279 B2 Shen Et Al
US009648279B2 (12) United States Patent (10) Patent No.: US 9,648,279 B2 Shen et al. (45) Date of Patent: May 9, 2017 (54) METHOD AND SYSTEM FOR VIDEO (58) Field of Classification Search COMMUNICATION CPC ... G09G 5/14: G09G 2370/00; G06F 3/0481; G06F 3/0482; G06F 3/04842; G06F (75) Inventors: Francis Shen, Concord (CA); Paulo 3/04845; G06F 17/30899-17/30905; Francisco, Concord (CA); David Sayson, Vancouver (CA); Stephane G06F 3/04817: G06F 3/0484; G06F Angelot, Frisco, TX (US); Keith 17/30867; G06F 8/34; G06F 9/443; G06F Huthmacher, Wexford, PA (US); Lloyd 3/0488; G06F 3/04886; G06F 2203/0483; Hucke, Wexford, PA (US) G06F 2203/04803; H04N 21/4858; H04N 21/485; H04N 7/15; H04N 19/136; H04N (73) Assignee: Mitel Networks Corporation, Ottawa, 7/17; H04L 12/1813 Ontario (CA) USPC ...... 715/753 758, 764, 792, 863; 348/1403, 348714.08 (*) Notice: Subject to any disclaimer, the term of this See application file for complete search history. patent is extended or adjusted under 35 U.S.C. 154(b) by 447 days. (56) References Cited (21) Appl. No.: 13/156.220 U.S. PATENT DOCUMENTS 5,233,687 A * 8/1993 Henderson et al. .......... T15,804 (22) Filed: Jun. 8, 2011 5,594,859 A 1/1997 Palmer et al. (65) Prior Publication Data (Continued) US 2012/OO62688 A1 Mar. 15, 2012 FOREIGN PATENT DOCUMENTS Related U.S. Application Data EP 21898.89 A1 5, 2010 (60) Provisional application No. 61/352.695, filed on Jun. WO WO 2008/OO31216 A1 3, 2008 8, 2010.
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