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. 21, 2015
Filed:
Aug. 04, 2004
Mutsuhiro Ohmori, Kanagawa, JP;
Tomohiro Tsunoda, Tokyo, JP;
Shigehiro Shimada, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
To improve the convenience of a user and further provide service comfortable and safe for the user. A PKstoring PMD as personal related information of a usercommunicates with a service system. When first using the service system, the PKstores the service ID of the service systemand a spoofing preventing method. When the PKcommunicates with the service systemfor a second time and thereafter, a spoofing preventing process is mutually performed, and then the PMD is provided to the service system. The service systemreads or changes the PMD on the basis of access permission information set in advance by the user. The present invention is applicable to PDAs.