Title:
車載用音響装置
Document Type and Number:
Japanese Patent JP7176538
Kind Code:
B2
Abstract:
A microphone unit includes: a case having an interior space; a unidirectional microphone held in the interior space of the case; a first opening provided in the case; and a second opening provided in the case, wherein the first opening and the second opening are arranged opposite to each other across the microphone and are arranged in a straight line parallel to an axis of sensitivity of the microphone.
Inventors:
Fumiho Tagami
Nobuaki Tsuji
Nobuaki Tsuji
Application Number:
JP2019570279A
Publication Date:
November 22, 2022
Filing Date:
August 08, 2018
Export Citation:
Assignee:
Yamaha Corporation
International Classes:
H04R3/02; B60R11/02; H04R1/02; H04R1/38; H04R1/40; H04R3/00
Domestic Patent References:
| JP2009081613A | ||||
| JP6075585A | ||||
| JP6195092A | ||||
| JP7212882A | ||||
| JP57010597A | ||||
| JP2015050558A |
Attorney, Agent or Firm:
Ochi International Patent Office