Title:
MICROPHONE DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/255270
Kind Code:
A1
Abstract:
This microphone device comprises: a plurality of microphone structures (10) each having a microphone that outputs a detection signal based on sound pressure and a case in which the microphone is housed in an inner cavity thereof and a through-hole is formed to introduce the sound pressure into the cavity; and connection members (20) fixed to the microphone structures. The case is configured such that case-side fixing parts are formed at a plurality of portions of the outer surface at the side opposite to the cavity side, and the connection members each are formed in a rod shape with one direction set as a longitudinal direction and each have formed at opposite ends thereof in the longitudinal direction connection member-side fixing parts detachably fixed to the case-side fixing parts. The microphone structures are arranged at prescribed positions with the case-side fixing parts respectively fixed to the connection member-side fixing parts.
More Like This:
Inventors:
KAWAI TETSUTO (JP)
MAWATARI KAZUAKI (JP)
KOYAMA YUJI (JP)
MAWATARI KAZUAKI (JP)
KOYAMA YUJI (JP)
Application Number:
PCT/JP2022/021806
Publication Date:
December 08, 2022
Filing Date:
May 27, 2022
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
H04R1/40; G01H11/08; G01M99/00; H04R1/02; H04R17/02
Foreign References:
| US20190253794A1 | 2019-08-15 | |||
| US20100142732A1 | 2010-06-10 | |||
| JP2012191323A | 2012-10-04 | |||
| JP2006245725A | 2006-09-14 |
Other References:
IKEDA, IKUMA; OMOTO, AKIRA: "Conversion of 80-channel microphone array signals into 5.1 surround system", AUTUMN MEETING OF THE ACOUSTICAL SOCIETY OF JAPAN; NAGANO, JAPAN; SEPTEMBER 19-21, 2012, September 2012 (2012-09-01), JP, pages 587 - 588, XP009541756
Attorney, Agent or Firm:
YOU-I PATENT FIRM (JP)
Download PDF: