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:
Dec. 15, 2020
Filed:
Oct. 18, 2016
Nec Corporation, Tokyo, JP;
Shouhei Yano, Nagaoka, JP;
Shouhei Yano, Nagaoka, JP;
Takayuki Arakawa, Tokyo, JP;
Takafumi Koshinaka, Tokyo, JP;
Hitoshi Imaoka, Tokyo, JP;
Hideki Irisawa, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Other;
Abstract
A personal authentication device includes: acoustic signal transmission meansfor transmitting a first acoustic signal to a part of a head of a user; acoustic signal observation meansfor observing a second acoustic signal which is an acoustic signal after the first acoustic signal propagates through the part of the head; acoustic property calculation meansfor calculating an acoustic property from the first acoustic signal and the second acoustic signal; and user identification meansfor identifying the user, based on the acoustic property or a feature value extracted from the acoustic property and relating to the user.