Electronic notary
Electronic payment system and method
Electronic shopping method, electronic shopping system and docum
Electronic shopping method, electronic shopping system and docum
Electronic signature addition method, electronic signature verif
Electronic signature method and apparatus
Electronic ticket presentation and transfer method
Electronic ticket vending system and method thereof
Electronic-monetary system
Electronic-monetary system
Electronic-monetary system
Electronic-monetary system
Electronic-monetary system
Encipher method and decipher method
Enciphering key distribution system for subscription TV broadcas
Enciphering/deciphering device and method, and encryption/decryp
Encoder and decoder
Encoder apparatus and decoder apparatus for a television signal
Encrypted broadcast television system
Encrypted trunked control channel system