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. 02, 2013
Filed:
Oct. 23, 2008
Applicants:
Edward Kai Ning Yung, Hong Kong, CN;
Pak Wai Chan, Kowloon, CN;
Hang Wong, Hong Kong, CN;
Inventors:
Assignee:
City University of Hong Kong, Hong Kong, CN;
Primary Examiner:
Int. Cl.
CPC ...
H01Q 1/38 (2006.01); H01Q 21/00 (2006.01); H01Q 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A unidirectional wireless antenna with a front-to-back ratio of 20 dB comprises a loop antenna and a dipole antenna interconnected by a metallic element and printed on a printed circuit board. The antenna is small in size but provides good unidirectional transmission.