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:
Jul. 03, 2012
Filed:
Dec. 04, 2007
Hiroshi Satoh, Ishikawa, JP;
Yoshio Koyanagi, Kanagawa, JP;
Hiroshi Satoh, Ishikawa, JP;
Yoshio Koyanagi, Kanagawa, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An antenna device and a communication device capable of changing over polarization characteristics of an antenna to improve transmission capacity in various kinds of polarization environments and used configuration by preventing reduction of the communication capacity for a reception signal degrading or varying depending on momentarily changing polarization conditions between a base station and a terminal. The antenna device () includes a plurality of first antenna elements () for a first polarizing direction, a second antenna element () provided in the direction orthogonal to the first polarizing direction, a plurality of switches () for switching connection between the plurality of first antenna elements () and the second antenna element (), and power supply parts () respectively provided on the plurality of first antenna elements ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile