Electronic whiteboard system

Details Electronic whiteboard system Electronic whiteboard system

2006-02-14

2006-02-14

Eisen, Alexander (Department: 2677)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

C345S158000, C345S173000, C345S629000, C178S018010

Reexamination Certificate

active

06999061

ABSTRACT:
Electronic whiteboard system comprises projected position information setting means for setting projected position information of a PC screen image projected onto the screen of the electronic whiteboard, projected position information storage section for storing projected position information, desktop operation/drawing means for enabling operation on the PC screen image projected on the screen by using an electronic pin as well as storing the locus of free lines drawn on the PC screen image in correspondence with the base image of the PC screen, document information storage section for storing a pair of base image and free lines on a per page basis and storing a plurality of pages as document information, and document information regeneration means for displaying a base image on the window of a computer unit then free lines over the base image in the order the lines were drawn based on the document information stored in the document information storage section.

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