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Title:
MICROPHONE
Document Type and Number:
WIPO Patent Application WO/2015/056443
Kind Code:
A1
Abstract:
This microphone is provided with: a diaphragm; a frame, the inside of which is processed into a semispherical surface, a parabolic surface or a conical surface; an acoustic transducer which converts sound pressure to an electric signal; and a wire which transmits the electric signal from the acoustic transducer to outside. The sound pressure input surface of the acoustic transducer is arranged in the bottom surface portion of the semispherical surface, parabolic surface or conical surface inside of the frame, and there is a waterproofing mechanism for the diaphragm and the frame, and the frame and the wire, for preventing the ingress of water.

Inventors:
OGURA HIROSHI
DOI KAZUMOTO
TAKESHI FUTOSHI
Application Number:
PCT/JP2014/005218
Publication Date:
April 23, 2015
Filing Date:
October 15, 2014
Export Citation:
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Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
B60R16/02; B60R11/02; E05B49/00; G10L15/00; G10L15/28; H04R1/00; H04R1/02; H04R1/04; H04R1/34; H04R1/40; H04R1/44; H04R3/00
Domestic Patent References:
WO2006128956A12006-12-07
WO2011136234A12011-11-03
Foreign References:
JP2007308887A2007-11-29
JP2002044772A2002-02-08
JP2004328231A2004-11-18
JP2004320327A2004-11-11
JP2006276605A2006-10-12
JPS62251256A1987-11-02
JP2011232293A2011-11-17
GB2064263A1981-06-10
JP2008227482A2008-09-25
JP2007116620A2007-05-10
JPH0518188U1993-03-05
JPH0698387A1994-04-08
US20070127759A12007-06-07
JP2004526116A2004-08-26
JP2011023786A2011-02-03
JPH03149669A1991-06-26
JP2008062885A2008-03-21
JPS6148210A1986-03-08
JPS62196495U1987-12-14
JPS62193391U1987-12-09
JP2002125286A2002-04-26
US3881056A1975-04-29
JP2006276605A2006-10-12
JP3760173B22006-03-29
JP4671290B22011-04-13
JP4702795B22011-06-15
JP5203899B22013-06-05
JPS6318289A1988-01-26
Other References:
See also references of EP 3059125A4
Attorney, Agent or Firm:
HASHIMOTO, Kimihide et al. (JP)
Kimihide Hashimoto (JP)
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