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:
Apr. 29, 2008
Filed:
Nov. 22, 2002
Kazuyoshi Irisawa, Tokyo, JP;
Naoto Shibata, Tokyo, JP;
Tetsuo Shinriki, Tokyo, JP;
Dai Nippon Printing Co., Ltd., Tokyo, JP;
Abstract
When in order to enable the use of a plurality of applications (APto AP) simultaneously, preparation commands, having identifiers attached, are provided according to the respective applications and working areas for the respective applications are secured inside a RAM (). By providing a verification command having a specific identifier, a verification process concerning a specific application is performed and a verification result is stored in the corresponding application working area. This verification result is used until the completion of a communication session. To make a specific application execute a desired process, a process executing command that designates an identifier attached to the corresponding application is provided. Adequate security can be ensured and yet a series of linked processes can be performed smoothly while switching among a plurality of application programs in the same communication session.