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:
Jun. 26, 1990
Filed:
May. 24, 1989
Applicant:
Inventor:
Hiroaki Hattori, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G10L / ;
U.S. Cl.
CPC ...
381 43 ;
Abstract
A speech recognizing device capable of recognizing a speech uttered in a noisy environment. The device uses low frequency data which are hardly susceptible to spectrum fluctuations for those portions of an input speech which are similar to vowels, while using entire frequency data for the other portions of the speech.
Quick Actions:
Hattori, Hiroaki. (1990). Speech recognition device (U.S. Patent No. 4937871). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4937871
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