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. 06, 1991
Filed:
Feb. 12, 1990
Applicant:
Inventor:
Yuji Kodera, Ibaraki, JP;
Assignee:
Hitachi Maxell, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F / ; G06K / ;
U.S. Cl.
CPC ...
235492 ; 235375 ; 235379 ; 235380 ; 902 11 ; 902 26 ;
Abstract
There is provided an IC card comprising a memory within the IC card for storing therein a program operating on a processor included in the IC card and a ROM storing therein a system program for down-leading the program onto the IC card. When a different program is present in the program storage area and a program to be down-loaded into the IC card is to be relocated to a space area, the destination address field of a jump instruction included in the program is altered by a processor included in the IC card.