Patent ID: 7509118

Claim:
A head set apparatus capable of a wireless communication by a predetermined wireless communication system, comprising: communication means for implementing a wireless communication by said predetermined wireless communication system; and control means for controlling the communication means, wherein said predetermined wireless communication system includes at least a first communication mode for enabling a data transfer with a partner apparatus and a second communication mode for enabling a wireless communication with the partner apparatus with a period shorter than that of the communication in said first communication mode while the wireless connected state remains, wherein information of the partner apparatus is pre-registered in the head set apparatus and information of the head set apparatus is pre-registered in the partner apparatus to enable an exclusive communication between the head set apparatus and partner apparatus, wherein the pre-registered information of the partner apparatus and the head set apparatus are excluded from a user's revision, and wherein the control means causes said head set apparatus function as a head set when the communication state is in said first communication mode and causes said head set apparatus function as a wireless key for security when said communication state is in said second communication mode.