Title:
EARBUD
Document Type and Number:
WIPO Patent Application WO/2020/195762
Kind Code:
A1
Abstract:
An earbud according to the present invention comprises: a speaker unit that generates sound waves; a first housing that accommodates the speaker unit and comprises a first opening facing a sound-wave-generating surface of the speaker unit; a sound conduit that is connected at one end to the first opening; an ear plug that is attached to the other end of the sound conduit and is inserted into the ear canal; and an air conduit, independent of the sound conduit, that is provided so as to pass through the ear plug and the first housing.
Inventors:
MATSUMURA TOSHIYUKI (JP)
Application Number:
PCT/JP2020/010150
Publication Date:
October 01, 2020
Filing Date:
March 10, 2020
Export Citation:
Assignee:
PANASONIC IP CORP AMERICA (US)
International Classes:
H04R1/10
Domestic Patent References:
| WO2016181431A1 | 2016-11-17 |
Foreign References:
| JP2018121285A | 2018-08-02 | |||
| JP2015109542A | 2015-06-11 | |||
| JP2008278439A | 2008-11-13 | |||
| JPS5914887B2 | 1984-04-06 |
Other References:
See also references of EP 3952330A4
Attorney, Agent or Firm:
KOTANI, Masataka et al. (JP)
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