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. 15, 2003
Filed:
Oct. 18, 2000
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/24 ; H01Q 1/48 ;
U.S. Cl.
CPC ...
H01Q 1/24 ; H01Q 1/48 ;
Abstract
An antenna for mobile wireless communications in which two built-in antennas having a bisymmetric shape arranged in an axi-symmetric location of a ground plate and, by feeding both of the antennas by using a balanced-to-unbalanced conversion circuit at the same amplitude and the phase difference of 180 degrees, balanced operations are performed.
Matsuyoshi, Toshimitsu. (2003). Antenna for mobile wireless communications and portable-type wireless apparatus using the same (U.S. Patent No. 6549169). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6549169
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile