6,353,672 B1 3, 2002 Rhoads 6.829, 368 B2 12/2004 Meyer et al. 6,363,159 B1 3, 2002
Rhoads 6,850,626 B2 2/2005 Rhoads et al. 6,381,341 B1 4/2002 Rhoads 6,879,701 B1 …

The present invention relates to toys and game applications that are enhanced with digital
watermarks. In one embodi ment, a character card includes a unique identifier in the form of …

The following sections describe applications for integrat ing watermarks in multimedia data.
In general, these appli cations exploit some level of interaction between watermarks and/or …

(57) ABSTRACT A reference to auxiliary data is steganographically encoded within a media
signal. The auxiliary data is stored in a meta data database that maps the reference …

2008-11-05 Assigned to DIGIMARC CORPORATION (FORMERLY DMRC CORPORATION)
reassignment DIGIMARC CORPORATION (FORMERLY DMRC CORPORATION) …

(*) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35
OTHER PUBLICATIONS U~ S~ C-15403) by 134 day5~ Macq, et a1.,“Cryptology for Digital …

(57) ABSTRACT A watermark-based age verification system is provided in one
implementation. The Verification system may also verify a biometric template against a …

(57) ABSTRACT A user gestures with a wireless mobile phone device to con trol some
aspect of its operation, or the operation of a remote system with which the device …

The present disclosure relates to signal processing. One claim recites a method comprising:
receiving an imagery or audio? le; utilizing a con? gured multi-purpose electronic proces …

The present invention relates generally to processing audio and video data. One claim
recites a method of accessing content stored in a remote database. The method includes …