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:
Jul. 02, 2019
Filed:
Jul. 17, 2017
Chiun Mai Communication Systems, Inc., New Taipei, TW;
Chiun Mai Communication Systems, Inc., New Taipei, TW;
Abstract
An antenna structure includes a metal housing, a first feed source, a first ground portion, and a first switching circuit. The metal housing includes a front frame, a backboard, and a side frame. The side frame defines a slot and the front frame defines a first gap and a second gap. The metal housing is divided into at least a first portion by the slot, the first gap, and the second gap. The first feed source is electrically connected to the first portion for supplying current to the first portion. The first ground portion is electrically connected to the first portion for grounding the first portion. One end of the first switching circuit is electrically connected to the first portion. Another end of the first switching circuit is grounded.