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:
Jun. 05, 2007
Filed:
Dec. 17, 2004
Shinji Yamamoto, Osaka, JP;
Shinji Yamamoto, Osaka, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A patch antenna with a directivity includes: a dielectric substrate to which at least one through hole is provided; a first ground electrode at least partially covering a back surface of the dielectric substrate; an antenna electrode partially covering an area of a front surface of the dielectric substrate, the area positionally corresponding to the first ground electrode; a second ground electrode provided within the area in a vicinity of the antenna electrode, the second ground electrode having the through hole underneath; and a conductive material provided in the through hole so as to electrically connect the first ground electrode and the second ground electrode.