Apparatus and method for controlling secret data by using positi

Apparatus and method for embedding and extracting...

Client-side protection of broadcast or multicast content for...

Cryptographic system for wireless communications

Data hiding in communication

Digital hidden data transport (DHDT)

Digital home network and method for creating and updating...

Digital video broadcasting

Electronic watermark detecting/inserting device

Embedding and extraction of information from an embedded...

Method and apparatus for generating a signal that defeats...

Method and apparatus for jamming different television channels u

Method for combining transfer functions with predetermined...

Methods and apparatuses for determining scrambling codes for...

Optical encryption and decryption method and system

Password synchronization

Pointers to encrypted data in RTP header

Robust watermark method and apparatus for digital signals

Steganographic encoding and decoding of auxiliary codes in...

Sync suppression television security system with addressable...