Title:
ACOUSTIC OUTPUT DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/255596
Kind Code:
A1
Abstract:
The present invention comprises: a housing having an arrangement case in which an internal space is formed, and a sound guide tube in which a sound conduction space is formed; a feedback microphone into which external sounds are inputted; a first speaker unit that outputs the sounds; and a second speaker unit that outputs sounds in an output band differing from the output band of the sounds outputted from the first speaker unit, the present invention being such that a first space and a second space are formed in the interior of the housing, the feedback microphone and the first speaker unit are arranged in the first space, the second speaker unit is arranged in the second space, and an equalizer that partitions the first space and the second space is arranged between the first speaker unit and the second speaker unit.
Inventors:
HASEGAWA MASAYOSHI (JP)
Application Number:
PCT/JP2020/019221
Publication Date:
December 24, 2020
Filing Date:
May 14, 2020
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
H04R1/10; G10K11/178; H04R1/26
Domestic Patent References:
| WO2019035304A1 | 2019-02-21 |
Foreign References:
| JP2011175113A | 2011-09-08 |
Attorney, Agent or Firm:
IWATA, Masanobu et al. (JP)
Download PDF: