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:
Apr. 08, 2014
Filed:
Mar. 02, 2010
Applicants:
Takayuki Shimizu, Hitachi, JP;
Shinsuke Murano, Kasama, JP;
Tomoyuki Ogawa, Hitachi, JP;
Inventors:
Assignee:
Hitachi Metals, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A mobile communication base station antenna has a plurality of array antenna blocks. Each of the array antenna blocks has a plurality of antenna element pairs. Each of the antenna element pairs has a plurality of antenna elements that are disposed to be orthogonal to each other. Tilt angles in the vertical plane of the respective array antenna blocks are different from each other.