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:
Jan. 18, 2011
Filed:
May. 26, 2006
Kouichi Kanemura, Osaka, JP;
Kouichi Kanemura, Osaka, JP;
Panasonic Corporation, Osaka, JP;
Abstract
Provided is a data processing device that can prevent data used by a program from being used by another program in an unauthorized manner, regardless of the quality of the programs. The data processing device includes: a CPUfor executing programs; and an unauthorized operation prevention circuitthat prevents unauthorized accesses to data between programs. An unauthorized operation prevention control unit, which operates in the protected mode and controls the circuit, judges whether or not to permit a program Bthat runs in the normal mode to use a memory area that is used by a program Athat runs in the normal mode, based on a function flag assigned to the program B. If it judges to permit, the circuitis set so that the program Bcan use the memory area.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile