Ex Parte HEMMINGER - Page 8



          Appeal No. 2004-0820                                                        
          Application No. 09/317,312                                 Page 8           

          systems have a single pointer icon that is shared among the                 
          conference participants.  When one user is finished using the               
          pointer, the user must relinquish control.  Pointer control is              
          then acquired by another user, or reacquired by the previous user           
          (col. 1, lines 52-60).  All conference users can have pointer               
          icons that are simultaneously active.  However, it can be                   
          confusing if there are many participants and they all try to use            
          their pointers simultaneously, resulting in a crowded work area             
          (col. 2, lines 1-10).  From this background, Glaser asserts that            
          there is a need for a conference support system that permits each           
          one of multiple workstation users to control pointers during a              
          conference (col. 2, lines 13-18).  In the Summary of the                    
          Invention, Glaser discloses that the system uses multiple user              
          terminals, which includes a display having a common working area.           
          Each user has a pointer icon that: can be used across all of the            
          display screens; provides a representation of all conference                
          participants, and displays a line from the pointer icon to the              
          representation of the user (col. 2, lines 21-31).  In one aspect            
          of the invention, each user controls a pointer icon.  The user's            
          pointer icon and the line connecting the representation of the              
          user with the user's pointer icon is displayed on the screens of            
          the other participants if the user has taken a specific action,             





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