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:
Mar. 03, 2009
Filed:
Jan. 09, 2004
Yuta Nakaya, Kawasaki, JP;
Takeshi Toda, Kawasaki, JP;
Yasuyuki Oishi, Kawasaki, JP;
Shinsuke Hara, Suita, JP;
Yuta Nakaya, Kawasaki, JP;
Takeshi Toda, Kawasaki, JP;
Yasuyuki Oishi, Kawasaki, JP;
Shinsuke Hara, Suita, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A communications apparatus using an adaptive antenna having in a high frequency unit an antenna unit including a plurality of antenna elements and a plurality of adjustment units, provided corresponding to the plurality of antenna elements, for adjusting directivity of an entire antenna, the communications apparatus including an interference wave element extraction unit for extracting an interference wave element other than a requested signal from a received signal by the antenna unit when an adjustment value of the adjustment unit is perturbed in a one symbol time, and an adaptive control unit for performing adaptive control on the adjustment value such that the extracted interference wave element can be minimized.