Title:
イヤホン
Document Type and Number:
Japanese Patent JP6720873
Kind Code:
B2
Abstract:
An earphone includes: a housing; a dynamic driver unit provided in the housing; and a sound conduit having a length of approximately 10 mm or more, the sound conduit being configured to transmit sound output from the dynamic driver unit.
Inventors:
Matsuo Bandai
Akihiro Ogata
Kazuyasu
Takashi Yamazaki
Akihiro Ogata
Kazuyasu
Takashi Yamazaki
Application Number:
JP2016555062A
Publication Date:
July 08, 2020
Filing Date:
October 01, 2015
Export Citation:
Assignee:
ソニー株式会社
International Classes:
H04R1/24; H04R1/10; H04R11/02
Domestic Patent References:
JP2013143735A | ||||
JP2002502211A | ||||
JP2005533453A | ||||
JP3188023U | ||||
JP2014155229A | ||||
JP2011041241A |
Foreign References:
KR101309072B1 | ||||
US20060013363 |
Attorney, Agent or Firm:
Masatomo Sugiura