Title:
HEARING AID
Document Type and Number:
WIPO Patent Application WO/2012/093655
Kind Code:
A1
Abstract:
Provided is a hearing aid which comprises: a main body case (1); a battery case (7) disposed in the main body case (1) in such a way that the battery case (7) may be withdrawn from the inside of the main body case (1) to the outside of the main body case (1); a control device (14) activated by the electromotive force of an air battery (8) accommodated in the battery case (7); a microphone (4) and a speaker (3) electrically connected to the control device (14); and a switching means for cutting power from the air battery (8) to the control device (14) when at least part of the battery case (7) is withdrawn to the outside of the main body case (1). A magnet (11) is disposed at the bottom section of the battery case (7) to block an air hole (10) of the air battery (8). The magnet (11) opens the air hole (10) when at least part of the battery case (7) is withdrawn to the outside of the main body case (1).
Inventors:
TADA MINORU
Application Number:
PCT/JP2012/000018
Publication Date:
July 12, 2012
Filing Date:
January 05, 2012
Export Citation:
Assignee:
PANASONIC CORP (JP)
TADA MINORU
TADA MINORU
International Classes:
H01M12/06; H04R25/00; H04R25/02; H01M50/50
Domestic Patent References:
| WO2011048755A1 | 2011-04-28 |
Foreign References:
| JPS59228355A | 1984-12-21 | |||
| JP2001325997A | 2001-11-22 | |||
| JPH05130011A | 1993-05-25 | |||
| JP2005129296A | 2005-05-19 | |||
| JP2003297440A | 2003-10-17 | |||
| JPH0884399A | 1996-03-26 | |||
| JP2001238296A | 2001-08-31 | |||
| JP2002532859A | 2002-10-02 | |||
| JP2002533879A | 2002-10-08 | |||
| JPS59228355A | 1984-12-21 |
Other References:
See also references of EP 2528138A4
Attorney, Agent or Firm:
Shinjyu Global IP (JP)
fresh green -- a global IP patent business corporation (JP)
fresh green -- a global IP patent business corporation (JP)
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Claims: