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. 07, 2015
Filed:
Apr. 05, 2010
Takahiko Sugahara, Osaka, JP;
Tetsuo Furuichi, Osaka, JP;
Ikuo Yamaguchi, Osaka, JP;
Takashi Oshikiri, Osaka, JP;
Takahiko Sugahara, Osaka, JP;
Tetsuo Furuichi, Osaka, JP;
Ikuo Yamaguchi, Osaka, JP;
Takashi Oshikiri, Osaka, JP;
MegaChips Corporation, Osaka-shi, JP;
Abstract
A technique for improving data security is provided. To be specific, in a memory system including an information processing apparatus and a semiconductor memory device, the semiconductor memory device has an interface section that transmits, to the information processing apparatus, data read out from a memory core according to a plurality of communication protocols having different signal transmission/reception methods. Based on a switch command inputted from the information processing apparatus, a communication protocol selection section inputs, to the interface section, a selection signal for selecting a particular communication protocol from the plurality of communication protocols.