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:
Mar. 30, 2004
Filed:
Dec. 22, 2000
Yoshiyuki Iwamura, Hirakata, JP;
Fumio Sumi, Katano, JP;
Noriyuki Manabe, Takatsuki, JP;
Hiroshi Sakamoto, Toyonaka, JP;
Abstract
In modifying a program fixedly recorded in a ROM or the like, desired positions in the program can be modified with a little hardware. In order to achieve the object, the program modification device comprises the modifying address register which stores the addresses of program data to be modified prior to the execution of the data and the modifying address storage table which stores all the addresses of the modification source programs to be loaded to the modifying address register and all the addresses of the modification target programs in pairs, and further comprises a modification target program having instructions embedded therein so as to load necessary information from the modifying address storage table to the modifying address register before the program to be modified is executed.