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:
Jan. 07, 2025
Filed:
Jun. 30, 2023
Nec Corporation, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
Provided is a personal authentication device capable of simply securing security with little psychological and physical burden of a user to be authenticated. Personal authentication device includes: storage that stores first and second identification information for identifying a user; analysis unit that analyzes information inputted to a user and generates the first identification information; transmission unit that transmits a first acoustic signal to a part of a user's head; observation unit that observes a second acoustic signal; calculation unit that calculates acoustic characteristics from the first and the second acoustic signal; extraction unit that extracts an acoustic feature amount from the acoustic characteristics as second identification information; and determination unit that determines the user to be identical when first identification information registered and the first identification information generated coincide with each other and second identification information registered and the second identification information extracted coincide with each other.