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:
Aug. 04, 2015
Filed:
Apr. 21, 2011
Nobuyuki Washio, Kawasaki, JP;
Shouji Harada, Kawasaki, JP;
Akira Kamano, Kawasaki, JP;
Naoshi Matsuo, Kawasaki, JP;
Nobuyuki Washio, Kawasaki, JP;
Shouji Harada, Kawasaki, JP;
Akira Kamano, Kawasaki, JP;
Naoshi Matsuo, Kawasaki, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
An utterance state detection device includes an user voice stream data input unit that gets user voice stream data of an user, a frequency element extraction unit that extracts high frequency elements by frequency-analyzing the user voice stream data, a fluctuation degree calculation unit that calculates a fluctuation degree of the high frequency elements thus extracted every unit time, a statistic calculation unit that calculates a statistic every certain interval based on a plurality of the fluctuation degrees in a certain period of time, and an utterance state detection unit that detects an utterance state of a specified user based on the statistic obtained from user voice stream data of the specified user.