Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Naoki Matsubara0
Yoshio Koyanagi0
Kyouko Ishibana0
Tomoaki Nishikido0
Date of Patent
February 11, 2014
0Patent Application Number
128661140
Date Filed
February 2, 2009
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A behind-the-ear wireless device includes a main body casing including a wireless circuit housed therein and an audio transmission unit having a function of transmitting sound to an ear. The main body casing and the audio transmission unit are integrally connected to each other, whereby the wireless device can be fitted to the ear. An antenna element having a length of about half wave length is disposed in a hollow of the sound tube. A parasitic element having a length of about a half wave length is disposed in the main body casing.
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