The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 11, 2014
Filed:
Feb. 02, 2009
Kyouko Ishibana, Tokyo, JP;
Naoki Matsubara, Tokyo, JP;
Tomoaki Nishikido, Ishikawa, JP;
Yoshio Koyanagi, Kanagawa, JP;
Kyouko Ishibana, Tokyo, JP;
Naoki Matsubara, Tokyo, JP;
Tomoaki Nishikido, Ishikawa, JP;
Yoshio Koyanagi, Kanagawa, JP;
Panasonic Corporation, Osaka, JP;
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.