Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tomohiro Matsuo0
Akihiro Ogata0
Kazuyasu Tsunezumi0
Takashi Yamazaki0
Date of Patent
July 24, 2018
Patent Application Number
15519473
Date Filed
October 1, 2015
Patent Citations Received
Patent Primary Examiner
Patent 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.
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