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DATA HIDING VIA PHASE MANIPULATION OF AUDIO SIGNALS

10/870,685 | U.S. Patent Application

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Location ELECTRONIC
Filed June 18, 2004
Examiner QI HAN
Class 380
Art Group 2626
Patent No. 7,289,961
Case Type Utility - 380/253000
Status Patented Case
Parent 60/479,438 Expired
Last Updated: 4 years, 5 months ago
Date # Transaction