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:
Jan. 10, 2006
Filed:
Aug. 31, 2001
Tetsuya Tanaka, Hyogo, JP;
Yonehiko Sunahara, Hyogo, JP;
Yasuhito Imanishi, Hyogo, JP;
Hirokazu Taketomi, Hyogo, JP;
Shigeru Makino, Hyogo, JP;
Toru Fukasawa, Hyogo, JP;
Yasuhiro Nishioka, Hyogo, JP;
Tetsuya Tanaka, Hyogo, JP;
Yonehiko Sunahara, Hyogo, JP;
Yasuhito Imanishi, Hyogo, JP;
Hirokazu Taketomi, Hyogo, JP;
Shigeru Makino, Hyogo, JP;
Toru Fukasawa, Hyogo, JP;
Yasuhiro Nishioka, Hyogo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
An antenna device, a radio communication terminal, an external antenna, and a hand strap can be provided, which are capable of ensuring satisfactory communication performance without being affected by the surrounding environment even in an area where the electric field is weak, and having the antenna performance improved by slightly modifying the body of an existing radio communication device. The antenna device according to the present invention includes an internal antenna () electrically connected to and incorporated into a circuit for radio communication within a case () and an external antenna () externally attached to the case.