发明名称 Spy-resistant keyboard
摘要 A method, system and article of manufacture for providing a spy-resistant keyboard. The spy-resistant keyboard provides a user with additional protection against unauthorized observers while the user is interfacing with a system implementing the spy-resistant keyboard. The keyboard may include a number of tiles with a number of user-selectable characters randomly associated with each tile. A spy-resistant keyboard may also include a number of movable tiles with user-selectable characters. Before a user selects a user-selectable associated with one of the tiles, all the user-selectable characters in the tiles are at least blanked to avoid unauthorized viewing of a chosen tile.
申请公布号 US2005251752(A1) 申请公布日期 2005.11.10
申请号 US20040843268 申请日期 2004.05.10
申请人 MICROSOFT CORPORATION 发明人 TAN DESNEY S.;KEYANI PEDRAM;CZERWINSKI MARY P.
分类号 G06F3/00;G06F3/048;G06F21/00;G07F7/10;G09G5/00;(IPC1-7):G06F3/00 主分类号 G06F3/00
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