Patent ID: 8509849
Filing Date: 2013-08-13
Classification: H04B,H04M

Abstract:
1. A method of displaying an operating state of a multi-standby terminal including a first subscriber identification module (SIM) and a second subscriber identification module (SIM), the method comprising: checking whether or not the first SIM and the second SIM are installed in the multi-standby terminal; activating (ON) or deactivating (OFF) a first light emitter according to whether the first SIM is installed, and activating (ON) or deactivating (OFF) a second light emitter according to whether the second SIM is installed; flickering the output of light by the first light emitter for a preset amount of time according to a preset flickering cycle when an event related with the first SIM occurs; and flickering the output of light by the second light emitter for a preset amount of time according to a preset flickering cycle when an event related with the second SIM occurs.