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:
Mar. 05, 2019
Filed:
Sep. 06, 2013
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Shuichiro Yamaguchi, Osaka, JP;
Hiroshi Sakai, Saga, JP;
Abstract
A small antenna device having good communications performance and a wide communications area even when a metal plate is present in the antenna communications direction, even when the antenna is arranged, for example, inside a box-shaped metal case, and even when a through hole is used that has a smaller area than the antenna. This device comprises: the antenna (); a rear surface cover () overlapping with the antenna () and being a conductor that faces the winding of the antenna (); two first insulating areas () provided in the rear surface cover () and extending in a direction that intersects the winding axis of the antenna (); and a second insulating area () that connects between the first insulating areas (). At least part of the area sandwiched by the first insulating areas () faces the antenna ().