Title:
ACOUSTIC OUTPUT DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/031534
Kind Code:
A1
Abstract:
The present invention improves sound quality. The invention comprises: a plurality of speaker units including a dynamic-type first speaker unit; an accommodation case, the internal space of which is formed as an accommodation space in which the plurality of speaker units are accommodated; and a sound guide pipe that protrudes from the accommodation case, and that is provided as a path for sound outputted from the plurality of speaker units. The output band for sound from a first speaker unit from among the plurality of speaker units is set at the highest band; the axial direction of the sound guide pipe and that of the first speaker unit are set to the same direction; another speaker unit other than the first speaker unit is disposed in the vicinity of the first speaker unit or on the side of the first speaker unit opposite the sound guide pipe; and the central axis of the first speaker unit is positioned further to the inside than the inner peripheral surface of the sound guide pipe.
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Inventors:
KUWAHARA EIJI (JP)
SUZUKI TAKAHIRO (JP)
KOBAYASHI DAIZEN (JP)
SHIMAMURA MIZUKI (JP)
SUZUKI TAKAHIRO (JP)
KOBAYASHI DAIZEN (JP)
SHIMAMURA MIZUKI (JP)
Application Number:
PCT/JP2019/025359
Publication Date:
February 13, 2020
Filing Date:
June 26, 2019
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
H04R1/10; H04R1/26
Foreign References:
| JP3188023U | 2013-12-26 | |||
| JP3193406U | 2014-10-02 |
Attorney, Agent or Firm:
IWATA, Masanobu et al. (JP)
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