Computer cursor spotlight
AssigneeHewlett-Packard Development Company, L.P.
InventorGeorge H. Forman
Life of this patent
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Abstract
The present invention provides a program code implemented computer screen security system. A virtual, real-time generated, screen mask leaves only a localized cursor area visible while hiding the remainder of the screen from public view. The cursor area automatically tracks cursor movement. In the preferred embodiment, the security program is user selectable and adjustable.
Claims17
A method for masking a computer screen, the method comprising:
- determining current cursor screen position;
- and
- generating a virtual mask such that screen images other than those in a predetermined area around said current cursor screen position are masked from view.
Computer memory device comprising:
- program code determining current cursor screen position;
- and
- program code generating a virtual mask such that screen images other than those in a predetermined area around said current cursor screen position are masked from view.
A security system for a computer screen employing a cursor device, the system comprising:
- a virtual mask having
- a first region surrounding current cursor position continuously, and
- a second region surrounding said first region and occupying the remainder of said screen such that said second region masks substantially all information currently displayed on said screen other than information in said first region.
A method for masking a video screen, the method comprising:
- designating a region of interest on the screen;
- and
- deploying a masking pattern over the screen except at said region of interest.
Dependencies are inferred from the claim text.