US Patent 7873177 Headphone apparatus and headphone system
Patent 7873177 was granted and assigned to Sony on January, 2011 by the United States Patent and Trademark Office.
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Patent abstract
An ear-hanger headphone apparatus includes ear hangers each having a predetermined shape, housings integrally attached to the ear hangers, respectively, and driver units attached to the housings swingably relative thereto so as to closely overlap with ear conches without clearance, respectively, when the headphone apparatus is worn.
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Patent Inventor Names
Naoki Watanabe0
Naotaka Tsunoda0
Toru Okamura0
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US Patent 07873177 Headphone apparatus and headphone system US Patent 7873177 Headphone apparatus and headphone system
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Patent Number
078731770
Patent Number
78731770
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Current Assignee
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Patent Jurisdiction
Patent Number
078731770
Date of Patent
January 18, 2011
0Patent Application Number
113893770
Date Filed
March 27, 2006
0Official Website
Patent Primary Examiner
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US Patent 07873177 Headphone apparatus and headphone system
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07873177
Date of patent
January 18, 2011
Patent application number
11389377
Date Filed
March 27, 2006
Patent primary examiner
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