Is a
Patent attributes
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshitaka Yoshino0
Minoru Oozeki0
Toshiyuki Imagawa0
Date of Patent
March 2, 2010
0Patent Application Number
105473850
Date Filed
February 12, 2004
0Patent Primary Examiner
Patent abstract
An earphone antenna is provided in which two pairs of audio/high-frequency signal lines respectively corresponding to left and right earphone units are connected to a balun. The left and right earphone units are connected to terminals of the two pairs of audio/high-frequency signal lines remote from the balun via loading coils, respectively. The terminals of the two pairs of audio/high-frequency signal lines remote from the balun are further connected to each other by a pair of conductive lines via audio blocking means. The earphone antenna having such a structure can eliminate high-frequency adverse effects on a wireless device transmitted from a human body via an earphone.
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