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. 08, 2009
Filed:
Sep. 25, 2006
Hae-won Son, Daejon, KR;
Won-kyu Choi, Daejon, KR;
Chan-soo Shin, Daejon, KR;
Gil-young Choi, Daejon, KR;
Cheol-sig Pyo, Daejon, KR;
Hae-Won Son, Daejon, KR;
Won-Kyu Choi, Daejon, KR;
Chan-Soo Shin, Daejon, KR;
Gil-Young Choi, Daejon, KR;
Cheol-Sig Pyo, Daejon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
An antenna, a RFID tag using the same, and an antenna impedance matching method thereof are provided. The antenna includes: a radiation patch for deciding a resonant frequency of the antenna; a ground plate disposed in parallel to the radiation patch; and a feeder disposed between the radiation patch and the ground plate in parallel for providing a RF signal to an element connected to the antenna, wherein the feeder includes a microstrip feed line proximately coupled to the radiation patch by being formed perpendicularly to the resonant length direction of the radiation patch.