Invention Grant
- Patent Title: Earphone device
- Patent Title (中): 耳机设备
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Application No.: US13542786Application Date: 2012-07-06
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Publication No.: US08913773B2Publication Date: 2014-12-16
- Inventor: Tomohiro Matsuo , Takashi Ohta , Koji Nageno , Tomohiro Ito
- Applicant: Tomohiro Matsuo , Takashi Ohta , Koji Nageno , Tomohiro Ito
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
- Priority: JPP2006-005412 20060112
- Main IPC: H04R25/00
- IPC: H04R25/00 ; H04R1/34 ; H04R1/10 ; H04R29/00

Abstract:
An earphone device includes a housing having a driver unit, and a sound guide tube mounted on a front surface of the housing to protrude from the front surface, in which the sound guide tube is disposed at a position deviated from a center position of the housing.
Public/Granted literature
- US20120269376A1 EARPHONE DEVICE Public/Granted day:2012-10-25
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