| 摘要 |
PURPOSE: Liquid crystal shutter glasses for watching a multi screen are provided to watch two or more image screens in one image output device without split screen. CONSTITUTION: A power supply unit supplies driving power to liquid crystal shutter glasses. A control unit(20) drives and controls left eye/right eye liquid crystals by a synchronizing signal transmitted from an image output device. The image output device successively outputs screens of an A-image and a B-image. The image output device transmits synchronizing signals of the A-image and the B-image, respectively. [Reference numerals] (20) Control unit; (30) Sound output unit; (40) Switch button; (AA) Liquid crystal shutter glasses for an A screen; (BB) Liquid crystal shutter glasses for a B screen; (CC) Synchronizing signal, sound signal; (DD) Image output unit; (EE,FF,JJ,LL) A screen; (GG,HH,II,KK) B screen
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