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:
Dec. 31, 2002

Filed:

Feb. 23, 2000
Applicant:
Inventors:

Yuji Kobayashi, Hadano, JP;

Hideo Kira, Hadano, JP;

Takuichi Hoshina, Hadano, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/200 ; G06F 1/206 ; G06F 9/44 ; G06F 9/445 ;
U.S. Cl.
CPC ...
G06F 1/200 ; G06F 1/206 ; G06F 9/44 ; G06F 9/445 ;
Abstract

A computer system and methods for loading a program and for modifying a program loaded in a memory without stopping the computer system are disclosed. The computer system includes a memory having a first area storing the executable codes, a second area storing the data codes, a third area which is a reserve area for the first area, and a fourth area which is a reserve area for the second area. When a modification of the program is required, execution of the program is stopped temporarily and modified executable codes are loaded in at least the first area. Then, the execution of the program is resumed. The modified executable codes may be loaded in the first area and third area when the size of the modified executable codes is greater than the size of the first area. The control program may be an operating system (OS), for example, of the computer system.


Find Patent Forward Citations

Kobayashi, Yuji. (2002). Computer system and methods for loading and modifying a control program without stopping the computer system using reserve areas (U.S. Patent No. 6502176). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6502176

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