| 摘要 |
A virtual whiteboard is disclosed that employs a scanner as an input device of a communications system linking multiple remote participants across an Intranet or Internet in which a user writes directly onto the scanner's platen or on a clear plastic transparency on the scanner's platen with dry erase markers in the same manner a user would write on an overhead projector or a whiteboard. The scanner would then perform the scan and mirror the image from left to right and transmit an electronic signal representative of the scanned image to remote conference participants over the Internet or Intranet or other known signal transmission means.
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