Metering retrieval of encrypted data stored in customer data ret

Method an apparatus for encrypting and decrypting microprocessor

Method and a system enabling software to be run securely

Method and an apparatus for preventing unauthorized copying of v

Method and apparatus for authenticating the use of software

Method and apparatus for broadband signal distribution

Method and apparatus for changing the data setting modes in a bo

Method and apparatus for controlling access to encrypted data fi

Method and apparatus for controlling the operation of a signal d

Method and apparatus for controlling the spectral content of a d

Method and apparatus for controlling the spectral content of a d

Method and apparatus for copy protection for various recording m

Method and apparatus for copy protection for various recording m

Method and apparatus for creating a secure autonomous network en

Method and apparatus for data input/output management suitable f

Method and apparatus for detecting a computer virus on a compute

Method and apparatus for digitally removing or defeating effects

Method and apparatus for distributing information products

Method and apparatus for electronic license distribution

Method and apparatus for enabling trial period use of software p