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.

Date of Patent:
Oct. 31, 2000

Filed:

May. 31, 1995
Applicant:
Inventor:

Jeffrey T Parsons, Redmond, WA (US);

Assignee:

Microsoft Corporation, Redmond, WA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F / ;
U.S. Cl.
CPC ...
711-2 ; 711170 ; 711171 ; 711172 ; 711173 ; 711202 ; 707206 ;
Abstract

A method and apparatus for automatically reclaiming and restoring memory occupied by redundant software components. In a computing environment which permits applications to run in the real-mode as well as the protected-mode, only one set of software components, either real-mode or protected-mode can be active at any one time. Protected-mode applications cooperate with a real-mode applications to remove and reclaim the memory occupied by redundant software components such as device drivers when the protected-mode applications boots. The real-mode software components are restored and replaced in memory when the protected-mode application quits. The memory reclaimed from redundant software components contributes to the maximum amount of memory available for use by both protected-mode applications, and real-mode applications.


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