Invention Grant
- Patent Title: Behind-the-ear wireless device
- Patent Title (中): 耳机后无线设备
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Application No.: US12866114Application Date: 2009-02-02
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Publication No.: US08648761B2Publication Date: 2014-02-11
- Inventor: Kyouko Ishibana , Naoki Matsubara , Tomoaki Nishikido , Yoshio Koyanagi
- Applicant: Kyouko Ishibana , Naoki Matsubara , Tomoaki Nishikido , Yoshio Koyanagi
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: Panasonic Patent Center
- Priority: JPP2008-023607 20080204
- International Application: PCT/JP2009/000392 WO 20090202
- International Announcement: WO2009/098858 WO 20090813
- Main IPC: H01Q19/26
- IPC: H01Q19/26 ; H04R25/00 ; H01Q19/10
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.
Public/Granted literature
- US20100321269A1 BEHIND-THE-EAR WIRELESS DEVICE Public/Granted day:2010-12-23
Information query
