Patent ID: 6871048

Claim:
A mobile communication apparatus, comprising: a) communication means for transmitting and receiving information signals to and from a base station via radio waves; said base station further transmitting and receiving information signals to and from a service provider through a public line network; b) input/output means for a user to interact with said mobile communication apparatus; said input/output means comprising a keypad, display means, a speaker, and a microphone; c) a removable semiconductor memory for storing received information signals; and d) processing means for encrypting the information signals prior to storage in said memory means; whereby said mobile communication apparatus is selectively operable to perform one of the operations of outputting received information signals at the time of reception, storing received information signals for output at a later time, and simultaneously outputting and storing received information signals; and whereby said mobile communication apparatus is operable to reproduce and output downloaded data when said apparatus is in a stand-by state.