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:
May. 31, 2011
Filed:
Feb. 25, 2009
Applicant:
Kosuke Tanabe, Tokyo, JP;
Inventor:
Kosuke Tanabe, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 21/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
An antenna device of the invention comprises divider/combiner meansthat divides or combines a received signal into signals having a first phase distribution represented by an odd function, phase adding/removing means-that adds phases having a second phase distribution represented by an even function to the signals, or removes the phases from the signals, and a plurality of antenna elementsarranged in an array configuration, that transmits or receives the signals to which the phases have been added.