Patent ID: 7046070

Claim:
An LVDS switch control device for a portable apparatus, comprising: an LVDS transducer, which transforms an image information for the portable apparatus into LVDS signals; a buffer for preventing the impedance mismatching problem caused by too long a distance between the LVDS transducer and a connection pedestal as the portable apparatus is not assembled on the connection pedestal, and receiving the LVDS signals transmitted by the connection pedestal as the portable apparatus is assembled on the connection pedestal; a detector producing a correct assembling signal as the portable apparatus is correctly assembled on the connection pedestal; and an LVDS switcher having a first input end, a second input end and an output end, wherein the first input end connects the detector; wherein when the detector produces the correct assembling signal, the output end of the LVDS switcher will produce a signal that disables the LVDS transducer and enables the buffer so that the LVDS signals outputted by the connection pedestal will be transmitted to a display panel of the portable apparatus.