Patent ID: 7762469

Claim:
A short-range wireless communication apparatus comprising: a control unit configured to control cellular phone functions; a magnetic field strength detector detecting magnetic field strength from a carrier wave by extracting direct-current potential from the carrier wave used for short-range wireless communication; a lock detector detecting that a short-range wireless communication function is locked into at least a disabled state when the magnetic field strength detector detects the magnetic field strength from the carrier wave; a lock notification device notifying a user that the lock detector has detected the disabled state, the lock notification device including a light-emitting device which emits light with a brightness which varies based on a detected signal strength; and a lock notification signal generator generating a lock notification signal for operating the lock notification device in accordance with the disabled state detected by the lock detector, the lock notification signal generator converting the magnetic field strength detected by the magnetic field strength detector into a brightness adjustment signal for the light-emitting device and providing the brightness adjustment signal of the magnetic field strength notification signal to the light-emitting device.