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:
Sep. 25, 2001
Filed:
Oct. 17, 2000
Applicant:
Inventors:
Osamu Kozakai, Chiba, JP;
Masatoshi Sawamura, Saitama, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/24 ; H01Q 1/38 ;
U.S. Cl.
CPC ...
H01Q 1/24 ; H01Q 1/38 ;
Abstract
In an antenna apparatus proposed by the present invention, two inverted-F antennas having the same characteristics are supplied with power with phase difference of 180 degrees respectively. Therefore only radio wave of polarized wave in a predetermined direction can be radiated and deterioration in antenna characteristics due to leak currents can be prevented.
Kozakai, Osamu. (2001). Antenna apparatus and portable radio communication apparatus (U.S. Patent No. 6295030). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6295030
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile