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. 02, 2022
Filed:
Sep. 30, 2019
Cear, Inc., Tokyo, JP;
Freecle Inc., Tokyo, JP;
Yasushi Honda, Tokyo, JP;
Yoshitaka Murayama, Tokyo, JP;
Sosuke Kubo, Tokyo, JP;
Taichi Sekiguchi, Tokyo, JP;
CEAR, INC., Tokyo, JP;
FREECLE INC., Tokyo, JP;
Abstract
A hearing assistance device which is worn by the user and which can suppress the voices produced by the user wearing the hearing assistance device is provided. When the user wears the hearing assistance device, a pair of microphones is separated and positioned on both sides of a head of the user and a pair of speakers is separated and positioned on both ears of the user or positioned near the ears and which emits sound. The hearing assistance device includes a noise cancellerwhich subtracts a signal processed by a mouth directivity sound processorfrom the input signal from at least one of the microphones L and R, in which the mouth directivity sound processoremphasizes voice produced from a sound source positioned at a mouth of the user.