Patent ID: 6898716

Claim:
An information device system comprising: a first information device having first cable communication means and first wireless communication means; and a second information device having second cable communication means which, when connected to said first cable communication means, is adapted to communicate with said first cable communication means, and second wireless communication means which, when in an effective communicative range with said first wireless communication means, is adapted to communicate with said first wireless communication means; wherein said second information device further comprises: judgment means for judging which state said information device system is in, a cable communication state in which said first and second cable communication means can communicate with each other, a wireless communication state in which said first and second wireless communication means can communicate with each other, or a non-communication state, different from said cable and wireless communication states; and restriction means for increasing a degree of restriction to be placed on processing performed by said second information device from a lowest degree of restriction imposed when said judgment means judges that said information device system is in said cable communication state, through an intermediate degree of restriction imposed when said judgment means judges that said information device system is in said wireless communication state, to a highest degree of restriction imposed when said judgment means judges that said information device system is in said non-communication state.