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. 27, 2017
Filed:
Feb. 19, 2015
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Takashi Yamagajo, Yokosuka, JP;
Shohei Ishikawa, Yokohama, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
An antenna device includes: a ground plate; a first patch, provided on one surface side of the ground plate and including two first power feeding portions provided in a region surrounded by a first contour at positions spaced away from a first position with a first distance, configured to resonate with a first frequency; a second patch, provided between the ground plate and the first patch and including two second power feeding portions provided in a region surrounded by a second contour at positions spaced away from a second position with a second distance and a slit formed in the region, configured to resonate with a second frequency lower than the first frequency; and an inter-patch connection portion configured to electrically couple the first position of the first patch and the second position of the second patch.