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. 14, 2009
Filed:
Apr. 13, 2007
Sung-jun Lee, Goyang-si, KR;
Kwang-chun Lee, Daejon, KR;
Chi-hyung Ahn, Goyang-si, KR;
Doo-soo Kim, Gwangju, KR;
Wee-sang Park, Pohang-si, KR;
Sung-Jun Lee, Goyang-si, KR;
Kwang-Chun Lee, Daejon, KR;
Chi-Hyung Ahn, Goyang-si, KR;
Doo-Soo Kim, Gwangju, KR;
Wee-Sang Park, Pohang-si, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
There is provided a windmill-shaped loop antenna including: a dielectric substrate; a first radiation unit disposed on a top surface of the dielectric substrate and including a metal pattern having loop pieces; a second radiation unit disposed at a bottom surface of the dielectric substrate and including a metal pattern having loop pieces arranged not to face the loop pieces of the first radiation unit; and a plurality of identical transmission line from a center of the top and bottom surfaces of the dielectric substrate to the first and second radiation units, which form windmill-shaped metal pattern with the first and second radiation unit.