Patent ID: 8316138

Claim:
A plug-and-show USB portable disk, applied to a wireless presentation system including a computer, a wireless gateway wireless networking with the computer and a display apparatus connected with the wireless gateway, the computer further having a screen and a USB transmission port, the computer being to transmit at least a presentation frame data to the screen for displaying respective presentation frame image, the USB portable disk comprising: an image capturing and analyzing program for capturing and analyzing the presentation frame data transmitted from the computer to the screen and to generate and forward an analysis result of the presentation frame data to the wireless gateway through the computer; a plug-and-show program for controlling the computer to execute the image capturing and analyzing program as the USB portable disk engages with the USB transmission port; and a wireless network detecting program, said plug-and-show program controlling said computer to execute the wireless network detecting program to search said wireless gateway and further to establish wireless connection between said computer and said wireless gateway as said USB portable disk engages with said USB transmission port, wherein said plug-and-show program, said image capturing and analyzing program and said wireless network detecting program are all green software, and wherein said capturing and analyzing the presentation frame data transmitted from the computer to the screen, and generating and forwarding said analysis result are not executed in a batch.