Patent ID: 8441413

Claim:
A 3D image viewing apparatus, comprising: a synchronization signal receiver configured to receive a 3D image synchronization signal; a 3D control signal generator configured to generate a left-eye glass control signal and a right-eye glass control signal in accordance with the synchronization signal; a left-eye glass configured to pass or intercept light transmitted to the left-eye glass in accordance with the left-eye glass control signal; a right-eye glass configured to pass or intercept light transmitted to the right-eye glass in accordance with the right-eye glass control signal; a central processor configured to control the 3D control signal generator in accordance with the synchronization signal, and transmit the synchronization signal to the 3D control signal generator; and a power controller configured to receive the synchronization signal from the central processor, and connect or disconnect power supplied to the synchronization signal receiver and the central processor in accordance with a reception time interval of the synchronization signal to turn on or turn off the synchronization signal receiver or the central processor.