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:
Dec. 07, 2021
Filed:
Sep. 12, 2019
Applicant:
Delta Electronics, Inc., Taoyuan, TW;
Inventors:
Chieh-Tsao Hwang, Taoyuan, TW;
Yen-Ting Chen, Taoyuan, TW;
Assignee:
DELTA ELECTRONICS, INC., Taoyuan, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K 1/02 (2006.01); H01P 1/20 (2006.01); H01Q 1/48 (2006.01); H01Q 1/52 (2006.01); H01Q 15/00 (2006.01); H01Q 21/28 (2006.01);
U.S. Cl.
CPC ...
H05K 1/0236 (2013.01); H01P 1/2005 (2013.01); H01Q 1/48 (2013.01); H01Q 1/523 (2013.01); H01Q 15/008 (2013.01); H01Q 21/28 (2013.01);
Abstract
A communication device includes a ground plane, an antenna array, and an EBG (Electromagnetic Band Gap) structure. The antenna array includes a plurality of antenna elements. The EBG structure includes a plurality of EBG units. The EBG units are coupled to the ground plane. The antenna array is surrounded by the EBG structure. The EBG structure is configured to suppress the front-to-back ratio of the radiation efficiency of the antenna array.