| 摘要 |
<p>PURPOSE:To make easy the exchange of will at the conference or the like, by providing a plurality of manuscript video input circuits, selecting one of them through a selection instructing signal, reconstructing and displaying it on a television screen through duplicated writing with a prescribed period. CONSTITUTION:Manual video input circuits 1a-1n are provided for conference attendees. Switches 2a-2n of a selection circuit 2 are selected and closed with an instruction signal from a selection instruction device 3 provided at the chairman side and manuscript video information Pn, (x), (y) are inputted to a memory 5 via a control circuit 4. The video information read out from the memory 5 is reproduced on a monitor television of each attendant via a television signal conversion circuit 7. To a reproduced picture, duplicated writing is made from any of the attendants, this is reproduced on a monitor television of each attendant, and the exchange of mutual will is made easy.</p> |
