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:
Jan. 13, 2004
Filed:
Jun. 24, 2002
Applicant:
Inventors:
Hideaki Shoji, Hyogo, JP;
Yasuhito Imanishi, Hyogo, JP;
Toru Fukasawa, Hyogo, JP;
Hiroyuki Ohmine, Hyogo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/24 ; H01Q 1/38 ;
U.S. Cl.
CPC ...
H01Q 1/24 ; H01Q 1/38 ;
Abstract
An antenna device ( ) includes a substrate ( ) and an antenna ( ) provided on the substrate ( ) and having an electrical length of (&lgr;/2)×A (A is an integer). The antenna ( ) includes a plate antenna ( ) positioned at a portion where an electrical length from an end portion ( ) is approximately &lgr;/4+(&lgr;/2)×B (B is an integer), and a meander line antenna ( ) connected to the plate antenna ( ).