Patent ID: 7525413

Claim:
A control method for an operation of a communication device, which includes a passive device for performing a passive communication function, an active device for performing an active communication function, and an interrupt device, the method comprising: (a) the active device activating the interrupt device to monitor an operation of the passive device, when power is on and wherein the interrupt device monitors the operation of the passive device for a predetermined time by using a passive device timer; (b) upon receiving passive broadcasting information, the passive communication device recording the broadcasting information on a common memory, and reporting reception of the passive broadcasting information to the interrupt device; (c) the interrupt device reporting the reception of the passive broadcasting information to the active device; and (d) the active device transitioning a state of the active device to a passive idle state; wherein the step (d) further includes: the interrupt device waiting for an active signal from the passive device for the predetermined time by using the passive device timer; and if not receiving the active signal from the passive device within the predetermined time, the interrupt device activates the active device, wherein the active device, after activation, is to receive and analyze active broadcasting information, and to record related information on the common memory.