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:
Apr. 13, 2021
Filed:
Nov. 29, 2019
Applicant:
National Changhua University of Education, Changhua, TW;
Inventors:
Yeong-Lin Lai, Changhua, TW;
Li-Chih Chang, Hsinchu County, TW;
Assignee:
NATIONAL CHANGHUA UNIVERSITY OF EDUCATION, Changhua, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 19/06 (2006.01); G06K 19/077 (2006.01); F16B 35/06 (2006.01); H01Q 23/00 (2006.01);
U.S. Cl.
CPC ...
G06K 19/07773 (2013.01); F16B 35/06 (2013.01); H01Q 23/00 (2013.01);
Abstract
A radio frequency screw antenna includes a metal radiation body and a coupling loop circuit. The metal radiation body includes a shank having a radial direction, a head connected to the shank, and a groove positioned at the head. A length direction of the groove is parallel to the radial direction. The coupling loop circuit is disposed at a first side wall of the groove.