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:
Jul. 23, 2013
Filed:
Jul. 22, 2011
Hiroyoshi Isozaki, Ehime, JP;
Yasushi Ueda, Ehime, JP;
Yasushi Imamura, Ehime, JP;
Shigekiyo Fujii, Ehime, JP;
Hiroyoshi Isozaki, Ehime, JP;
Yasushi Ueda, Ehime, JP;
Yasushi Imamura, Ehime, JP;
Shigekiyo Fujii, Ehime, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A hearing aid includes: first and second microphones; first and second A/D converters; a microphone sensitivity correction unit; a hearing assistance processing unit; a microphone sensitivity correction value calculation unit; a storage unit; a failure detection unit; a sound output unit; a D/A converter; and a receiver. The outputs of the first and second A/D converters are input to the microphone sensitivity correction value calculation unit. One output the microphone sensitivity correction value calculation unit is connected to the microphone sensitivity correction unit, and another output thereof is connected to the storage unit. An output of the storage unit and a signal output from the another output of the microphone sensitivity correction value calculation unit are input to the failure detection unit. Output signals of the failure detection unit and the hearing assistance processing unit are input to the sound output unit.