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. 07, 2015
Filed:
Apr. 14, 2014
Semiconductor Energy Laboratory Co., Ltd., Kanagawa-ken, JP;
Asami Tadokoro, Tokyo, JP;
Abstract
One of the objects of the present invention is to provide a communication system in which biometrics can be utilized without leaking to a third person so that a strict personal authentication can be conducted. The communication system includes, storing a correspondence table in a card, storing a reference password which is formed by converting a part of biometrics of an authorized user in the card by using the correspondence table, reading a part of biometrics of a user by the card, converting a part of the biometrics of the user into a password by the card using the correspondence table, and checking the password against the reference password by the card, wherein the card and the user are authenticated if a the password and the reference password match in the step of checking.