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:
Aug. 14, 2001
Filed:
Jun. 22, 1998
Shanthala Narayanaswamy, Willoughby Hills, OH (US);
Richard J. Molnar, Mentor, OH (US);
Michael J. Wozniak, Altamonte Springs, FL (US);
Elsag International N.V., Amsterdam, NL;
Abstract
A system for loading upgraded, that is, new boot code and/or main firm ware has a programmable memory that has two boot code regions. One of the regions holds the active boot code while the other region holds the inactive boot code. During a boot code upgrade, the boot code in the inactive region, is under control of the boot code in the active region, replaced with the new boot code. Once the replacement process is verified as having been successful and the vector table in the new boot code is copied to the processor vector table in the memory, the processor can be reset so that the new boot code becomes the active boot code and the previously active boot code becomes the inactive boot code.