(12) United States Patent (10) Patent No.: US 7,218,739 B2 Multerer Et Al
US007218739B2 (12) United States Patent (10) Patent No.: US 7,218,739 B2 Multerer et al. (45) Date of Patent: May 15, 2007 (54) MULTIPLE USER AUTHENTICATION FOR 5,557,541 A 9, 1996 Schulhof et al. ONLINE CONSOLE-BASED GAMING 5,558,339 A 9, 1996 Perlman 5,592,651 A 1/1997 Rackman .................... T11 163 (75) Inventors: Boyd C. Multerer, Seattle, WA (US); 5,598,276 A 1/1997 Cookson et al. Ling Tony Chen, Bellevue, WA (US); 5,611,066 A 3, 1997 Keele et al. Darren L. Anderson. Sammamish, WA 5,634,849 A 6/1997 Abecassis s s 5,649,862 A 7/1997 Sakaguchi et al. (US) 5,659,742 A 8/1997 Beattie et al. 5,680,323 A 10, 1997 Barnard (73) Assignee: Microsoft Corporation, Redmond, WA 5,716.273 A 2, 1998 Yuen (US) 5,726,909 A 3/1998 Krikorian (*) Notice: Subject to any disclaimer, the term of this (Continued) patent is extended or adjusted under 35 FOREIGN PATENT DOCUMENTS U.S.C. 154(b) by 898 days. DE 10046437 4/2002 (21) Appl. No.: 09/802.795 (Continued) (22) Filed: Mar. 9, 2001 OTHER PUBLICATIONS (65) Prior Publication Data Stallings, Cryptography and network security, 1999, pp. 330, 335, and 337-338.* US 2002/O12684.6 A1 Sep. 12, 2002 (Continued) (51) Int. Cl. Primary Examiner Kim Vu H04LK LM00 (2006.01) Assistant Examiner Paula Klimach (52) U.S. Cl. ......................................... 380/251: 463/29 (74) Attorney, Agent, or Firm—Lee & Hayes, PLLC (58) Field of Classification Search .................. 463/29, 463/42-43, 26, 46; 380/251, 44, 23: 713/150, (57) ABSTRACT 713/168, 175, 169; 725/109; 273/138 See application file for complete search history.
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