| 摘要 |
A multimedia system installed cap is provided to sustain freshness of food in a container by providing a crystalline state of water or food with a sound or an image. A multimedia system installed cap(200) comprises :a USB porter(120) connected with all kinds of the USB devices through USB cable; a key handling unit controlling the multimedia system through a controller(140); a sound output unit(160) and an image output unit playing audio and video contents through a speaker or a flat panel display; a display unit(150) confirming operation of the multimedia system installed in a cap; and a radio/TV tuner(130) operating with AM / FM radio frequency or TV frequency. |
