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:
Jul. 19, 2011
Filed:
Mar. 12, 2010
Hideo Nagano, Tokyo, JP;
Kikuo Muramatsu, Tokyo, JP;
Masayuki Koyama, Tokyo, JP;
Tomoko Ando, Tokyo, JP;
Motoki Higashida, Tokyo, JP;
Takahiko Arakawa, Tokyo, JP;
Makoto Hatakenaka, Tokyo, JP;
Hideo Nagano, Tokyo, JP;
Kikuo Muramatsu, Tokyo, JP;
Masayuki Koyama, Tokyo, JP;
Tomoko Ando, Tokyo, JP;
Motoki Higashida, Tokyo, JP;
Takahiko Arakawa, Tokyo, JP;
Makoto Hatakenaka, Tokyo, JP;
Renesas Electronics Corporation, Kawasaki-Shi, Kanagawa, JP;
Abstract
An information device packaged in one package includes a main function unit and an interface function unit. The main function unit includes a main processing circuit for executing signal processing related to a main function in the information device and a first microcomputer for controlling the main processing circuit by executing a first firmware program. The interface function unit includes an interface function unit including a first interface circuit for receiving data from an exterior device located outside of the information device to provide to the main function unit, a second interface circuit for performing an authentication operation with the exterior device, a second microcomputer for controlling the first interface circuit, and a memory for storing a second firmware program for controlling the first interface circuit.