| 摘要 |
A liquid crystal display device includes a casing supporting a liquid crystal display screen and defining a plurality of receiving slots for respectively receiving memory cards and memory card connectors fixed inside the casing and associated with the receiving slots for engaging the memory cards received in the receiving slots. A data processing circuit is arranged in the casing for receiving and processing image data and sound data stored in the memory card and displaying the image on the liquid crystal display screen. The data processing circuit includes a compression/decompression circuit, an input selector, a data separator, a frequency multiplication processor, a converter and an amplifier for processing the image signals and a sound input port, a mixer, an amplifier and a speaker system for processing and broadcasting sound signals. The data processing circuit is additionally provided with interfaces for respectively connecting a television signal source, a computer and an external camera to function as a television screen, a computer display and a security monitor, respectively.
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