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Patent Searching and Data


Title:
PERSONAL AUTHENTICATION DEVICE, PERSONAL AUTHENTICATION METHOD, AND RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2018/051948
Kind Code:
A1
Abstract:
The present invention provides a personal authentication device or the like which imposes little psychological and/or physical burden on a user subject to authentication, and with which it is possible to easily ensure security. This personal authentication device 300 is provided with: a transmission unit 31 that transmits a first acoustic signal to a part of a user's head; an observation unit 32 that observes a second acoustic signal which is an acoustic signal resulting from the first acoustic signal propagating through said part of the user's head; a calculation unit 33 that calculates an acoustic feature from the first and second acoustic signals; an extraction unit 34 that extracts, from the acoustic feature, an acoustic feature quantity of the user; a storage control unit 35 that registers the feature quantity as a first feature quantity in a storage unit; an identification unit 36 that identifies the user by cross-checking the first feature quantity registered in the storage unit against a second feature quantity which is extracted after the registration of the first feature quantity; and a storage unit 37 in which the first feature quantity is stored, wherein when the identification unit 36 identifies the user to be one and the same person, the transmission unit 31 transmits the first acoustic signal at every prescribed time interval.

Inventors:
KOSHINAKA TAKAFUMI (JP)
SAIKOU MASAHIRO (JP)
ARAKAWA TAKAYUKI (JP)
Application Number:
PCT/JP2017/032682
Publication Date:
March 22, 2018
Filing Date:
September 11, 2017
Export Citation:
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Assignee:
NEC CORP (JP)
International Classes:
A61B5/117; G06F21/32; G10L25/51
Domestic Patent References:
WO2009104437A12009-08-27
WO2009016846A12009-02-05
Foreign References:
JP2004065363A2004-03-04
JP2012161628A2012-08-30
JP2006119811A2006-05-11
JP2015135669A2015-07-27
JP2004013831A2004-01-15
JP2002143130A2002-05-21
JP2016181897A2016-09-16
Other References:
See also references of EP 3513723A4
Attorney, Agent or Firm:
SHIMOSAKA Naoki (JP)
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