<p>An electronic presentation system and method provides multiple display screens for presentation materials as well as permits dynamic annotations to presentation materials that do not permanently alter the presentation materials. The presentation materials can easily be directed to any one of the display screens and any annotations can be saved for future use or simply deleted; An electronic presentation system and method provides multiple display screens (102a, 102b) for presentation materials as well as permits dynamic annotations to presentation materials that do not permanently alter the presentation materials. The presentation materials can easily be directed to any one of the display screens (102a, 102b) and any annotations can be saved for future use or simply deleted.</p>
申请公布号
EP2348481(A2)
申请公布日期
2011.07.27
申请号
EP20100197466
申请日期
2002.05.24
申请人
LEARNING TREE INTERNATIONAL, INC.
发明人
BROWN, CHRISTOPHER ROBERT;MORIARTY, JOHN MICHAEL;SMITH, SEAN DARE;ACKERMAN, STUART M.;ADAMS, WILLIAM H.;LAINE, LESLIE E.