Patent ID: 8527477
Filing Date: 2013-09-03
Classification: G06F

Abstract:
1. A display system comprising: a display apparatus that displays thereon file data and is selected from a group consisting of sheets of electronic paper, flexible displays, sheets of rewritable paper, paper-like displays, sheets of digital paper, electronic sheets, and electronic display sheets; an information processing apparatus that enables a user to view or edit the file data displayed on the display apparatus; a power feeding apparatus that feeds power to the display apparatus by generating a magnetic field within a predetermined range; and a power feeding control section that detects a variation in a state of the magnetic field generated by the power feeding apparatus, wherein the display apparatus includes: the information processing apparatus includes: the viewing and editing information storing section stores thereon, as the viewing and editing information, and editing-permitted portion of the file data displayed on the display apparatus and identified by the file identifier stored on the file identifier storing section, whose contents are permitted to be changed; the first communicating section transmits, as the viewing and editing information, the editing-permitted portion stored on the viewing and editing information storing section; the second communication section receives, as the viewing and editing information, the editing-permitted portion stored on the viewing and editing information storing section; the viewing and changing permitting section gives permission to change the contents of the file data in the editing-permitted portion received by the second communicating section based on the editing instructions obtained by the viewing and editing instruction obtaining section; and the viewing and changing prohibiting section prohibits changing the contents of the file data in a portion other than the editing-permitted portion received by the second communicating section based on the editing instructions obtained by the viewing and editing instruction obtaining section.