D.C.-coupled video clamping circuit
Data acquiring apparatus
Data authentication and protection system
Data authentication circuit
Data communication system
Data communication system using encrypted data packets
Data embedding
Data encryption methodology
Data encryption security module
Data encryption system
Data encryptor
Data flow control apparatus and memory apparatus
Data management system
Data processing apparatus
Data processing apparatus having a real memory region with a cor
Data processing apparatus with software protecting functions
Data processing device with data processing means utilizing...
Data processing system and editing apparatus aided thereby
Data processing system having an encryption device
Data processing system with cryptographic facility