Invention Grant
- Patent Title: Headphone device
- Patent Title (中): 耳机设备
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Application No.: US12193158Application Date: 2008-08-18
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Publication No.: US08767997B2Publication Date: 2014-07-01
- Inventor: Keitaro Fujiwara , Katsunori Murozaki
- Applicant: Keitaro Fujiwara , Katsunori Murozaki
- Applicant Address: JP Tokyo
- Assignee: Sony Corporation
- Current Assignee: Sony Corporation
- Current Assignee Address: JP Tokyo
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
- Priority: JPP2007-217450 20070823
- Main IPC: H04R25/00
- IPC: H04R25/00
Abstract:
A headphone device including a driver unit, and an ear-hook hanger of a loop shape that is integrated with the driver unit and supports an entire circumference of an ear capsule is provided.
Public/Granted literature
- US20090052719A1 HEADPHONE DEVICE Public/Granted day:2009-02-26
Information query
