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. 24, 2012
Filed:
Aug. 12, 2009
Dong-uk Sim, Daejeon, KR;
Jong Hwa Kwon, Daejeon, KR;
Sang IL Kwak, Daejeon, KR;
Je Hoon Yun, Daejeon, KR;
Chang-joo Kim, Daejeon, KR;
Dong-Uk Sim, Daejeon, KR;
Jong Hwa Kwon, Daejeon, KR;
Sang Il Kwak, Daejeon, KR;
Je Hoon Yun, Daejeon, KR;
Chang-Joo Kim, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
An electromagnetic absorber using resistive material includes a ground plane of a conductive material; a dielectric layer formed on the ground plane; and a pattern layer in which specific unit cell patterns made of a resistive material are periodically arranged on the dielectric layer. The electromagnetic absorber is applied to an electronic toll collection system, a transportation device, a building structure, an electronic device and an anechoic chamber.