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:
Jul. 07, 2009
Filed:
Feb. 14, 2006
Hironobu Inada, Suwa, JP;
Go Hiroike, Suwa, JP;
Hironobu Inada, Suwa, JP;
Go Hiroike, Suwa, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A data processing apparatus comprising: flash ROM that can communicate with a CPU, the flash ROM comprises a boot sector that stores a boot selector program, a first boot sector and a second boot sector each storing a boot program that is selectively called by the boot selector program. The CPU executes the boot selector program to select the first boot sector or the second boot sector each storing a boot program to be executed. The CPU executes the selected boot program to verify a version code stored in a main sector and the selected boot sector. The CPU executes a main program when the version code in the main sector matches the version code in the selected boot sector.