| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a display system and a display device allowing students attending a lecture to participate in a presentation without obstructing smooth proceeding of the presentation. <P>SOLUTION: In this display system, a projector is connected with all the personal computers belonging to a presentation system by radio (SC1) and outputs the projection data received in SC2 for projection (SC5), and the operation of this display system proceeds from SC6 to SC7 to determine whether the received ID belongs to a student's personal computer (SC7), and transmits the key command received in SC6 to the lecturer's personal computer if the ID belongs to the student's personal computer. The lecturer's personal computer executes a key event corresponding to the received key command in the application used for projection currently. The projection data by which the key event is executed is received in SC2, and the received projection data is projected in SC5. <P>COPYRIGHT: (C)2011,JPO&INPIT |
