Radio communication apparatus having common oscillator applied f
Radio communication device and user authentication method...
Radio communication system and method and mobile communication t
Radio communication system, radio communication device,...
Radio communications system
Radio data transmission apparatus
Radio frequency identification tag lock and key
Radio frequency transponder stored value system employing a secu
Radio pager with a display control capability
Radio paging system with voice transfer function and radio pager
Radio paging unit
Radio port controller in a wireless personal communications syst
Radio receiver for information dissemenation using subcarrier
Radio telecommunication device and method of authenticating a us
Radio wireline interface and method for secure communication
Radiotelephone controller configured for coresident secure and n
Radiotelephone installation for prepayment operation with securi
Ramp generation for preventing transitions with infinite short r
Random access memory device having inconsistent write-in and rea
Random access method for improving scrambling efficiency