The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 27, 1997
Filed:
Feb. 27, 1995
Clifton W Laney, Beaverton, OR (US);
Intel Corporation, Santa Clara, CA (US);
Abstract
An additional function is provided to an otherwise conventional operating system for superimposing visibility windows on the GDT and the LDTs for the purpose of memory protection. In a first embodiment, the operating system is also provided with a first additional control logic for selectively invoking the visibility window function to impose visibility windows of different window sizes for different tasks. In a second embodiment, the operating system is provided with a second additional control logic for selectively invoking the visibility window function to impose visibility windows of different window sizes for different operating system functions. In a third embodiment, the operating system is provided with the first as well as the second additional control logic.
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