Self-launching encrypted digital information distribution system
Semiconductor chip having identification/encryption code
Semiconductor integrated circuit device with copy-preventive fun
Semiconductor memory device having copy protect function and met
Shared-price custom video rentals via interactive TV
Signal identification system
Signal processing apparatus and methods
Signal processing apparatus and methods
Signal processing apparatus and methods
Signal switching apparatus
Signal transmission system having encoder/decoder without frame
Single-chip microcomputer with encryptable function on program m
Smart disk software protection system
Software catalog encoding method and system
Software copying system
Software delivery system, center device, relaying device and use
Software distribution system and software utilization scheme...
Software licensing management system
Software pay per use system
Software protection apparatus and the method of protection utili