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:
Jul. 10, 2008
Applicants:
Il-jong Song, Yongin-si, KR;
Si-gyoung Koo, Seoul, KR;
Jin-hun Koo, Seongnam-si, KR;
Young-hoon Min, Anyang-si, KR;
Inventors:
Il-Jong Song, Yongin-si, KR;
Si-Gyoung Koo, Seoul, KR;
Jin-Hun Koo, Seongnam-si, KR;
Young-Hoon Min, Anyang-si, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-Si, Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04Q 5/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A radio frequency identification (RFID) recorder for cancelling a leakage signal includes a digital unit calculating and storing an amplitude and a phase of the leakage signal, and a leakage cancellation circuit generating a leakage cancellation signal to cancel the leakage signal in response to a control of the digital unit.