Title:
ACOUSTIC SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/091254
Kind Code:
A1
Abstract:
In the present invention, two speaker units are disposed on the right side relative to the center of a seat, and two speaker units are disposed on the left side relative to the center of the seat. One of the two speaker units disposed on the right side is disposed closer to the right ear of a user seated on the seat as compared with the other one of the two speaker units disposed on the right side. One of the two speaker units disposed on the left side is disposed closer to the left ear of the user seated on the seat as compared with the other one of the two speaker units disposed on the left side. Acoustic signals to be reproduced are emitted from the two speaker units disposed on the right side so that the acoustic signals are in opposite phases. Acoustic signals to be reproduced are emitted from the two speaker units disposed on the left side so that the acoustic signals are in opposite phases. Further, acoustic signals are emitted from the two speaker units that are disposed closer to the respective ears so that the acoustic signals are not in opposite phases.
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Inventors:
FUKUI MASAHIRO (JP)
KOBAYASHI KAZUNORI (JP)
KAMADO NORIYOSHI (JP)
KOBAYASHI KAZUNORI (JP)
KAMADO NORIYOSHI (JP)
Application Number:
PCT/JP2020/040452
Publication Date:
May 05, 2022
Filing Date:
October 28, 2020
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
B60R11/02; G10K11/178; H04R3/00; H04R5/02
Foreign References:
| JP2006508573A | 2006-03-09 | |||
| JP2008271067A | 2008-11-06 | |||
| JPH08511151A | 1996-11-19 |
Attorney, Agent or Firm:
NAKAO, Naoki et al. (JP)
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