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. 21, 2014
Filed:
Sep. 14, 2011
Osamu Tasaki, Hitachi, JP;
Tomoyuki Ogawa, Hitachi, JP;
Takayuki Shimizu, Hitachi, JP;
Shinsuke Murano, Kasama, JP;
Ryota Suzuki, Tokai-mura, JP;
Osamu Tasaki, Hitachi, JP;
Tomoyuki Ogawa, Hitachi, JP;
Takayuki Shimizu, Hitachi, JP;
Shinsuke Murano, Kasama, JP;
Ryota Suzuki, Tokai-mura, JP;
Hitachi Cable, Ltd., Tokyo, JP;
Abstract
A mobile communication base station antenna has a first array antenna and a second array antenna. Antenna elements of the first and second array antennas are classified into the first, second and third groups G, Gand G. A first feeding port is connected to the antenna elements in the odd number groups (the first group Gand the third group G) of the first array antenna and the antenna elements in the even number group of the second array antenna. On the other hand, a second feeding port is connected to the antenna elements in the even number group (the second group G) of the first array antenna and the antenna elements in the odd number groups (the first group Gand the third group G) of the second array antenna.