Title:
HEARING AID
Document Type and Number:
WIPO Patent Application WO/2010/089821
Kind Code:
A1
Abstract:
Disclosed is a hearing aid that can alert the user when the hearing aid microphone fails, which is equipped with a first AD converter (8a), a second AD converter (8b), a microphone sensitivity correction part (9), which is connected to the output side of the second AD converter (8b), a hearing assistance processor (10), into which the output of the microphone sensitivity correction part (9) and the output of the first AD converter (8a) are input, a microphone sensitivity correction value calculator (11), into which the output of the first AD converter (8a) and the output of the second AD converter (8b) are input, and one output of which is connected to the microphone sensitivity correction part (9), a memory part (12), which is connected to the other output of the microphone sensitivity correction value calculator (11), a failure detector (13), to which the signals output from the output of the memory part (12) and the other output of the microphone sensitivity correction value calculator (11) are input, a sound output part (14), to which the output signal of the failure detector (13) and the output signal of the hearing assistance processor (10) are input, a DA converter (15), which is connected to the output side of the sound output part (14), and a receiver (7), which is connected to the output side of the DA converter (15).
Inventors:
ISOZAKI HIROYOSHI
UEDA YASUSHI
IMAMURA YASUSHI
FUJII SHIGEKIYO
UEDA YASUSHI
IMAMURA YASUSHI
FUJII SHIGEKIYO
Application Number:
PCT/JP2009/005933
Publication Date:
August 12, 2010
Filing Date:
November 06, 2009
Export Citation:
Assignee:
PANASONIC CORP (JP)
ISOZAKI HIROYOSHI
UEDA YASUSHI
IMAMURA YASUSHI
FUJII SHIGEKIYO
ISOZAKI HIROYOSHI
UEDA YASUSHI
IMAMURA YASUSHI
FUJII SHIGEKIYO
International Classes:
H04R25/00; H04R25/02
Foreign References:
| US7340073B2 | 2008-03-04 | |||
| US6385323B1 | 2002-05-07 | |||
| DE19849739A1 | 2000-05-31 | |||
| US7103191B1 | 2006-09-05 | |||
| JP2003506937A | 2003-02-18 | |||
| JP2003506937A | 2003-02-18 | |||
| JP2009025743A | 2009-02-05 |
Other References:
See also references of EP 2395775A4
Attorney, Agent or Firm:
OGURI, Shohei et al. (JP)
Shohei Oguri (JP)
Shohei Oguri (JP)
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