Patent ID: 7249324
Filing Date: 2007-07-24
Classification: G06F

Abstract:
1. An electronic paper file comprising an electronic paper with a display function and a main unit attachable with a plurality of said electronic papers, comprising: communication means for sending and receiving data to and from a different electronic paper file; and page management means for specifying one of the electronic papers to display the data received by the communication means and giving the received data to the specified electronic paper; cursor drawing means for displaying a cursor indicating a specific region on the specified electronic paper, and sending cursor display data for displaying the cursor to the different electronic paper file through the communication means; and display control means for restricting the cursor drawing means from drawing the cursor and sending the cursor display data to the different electronic paper file, wherein, when two electronic paper files perform the communication, the electronic paper file, when it is on a slave side, sends a request to display the cursor to a master side electronic paper file through the communication means, and the display control means cancels the restriction on the cursor drawing means upon receipt of a display allowance signal from the master side electronic paper file in response to the request.