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:
Sep. 11, 2007
Filed:
Mar. 04, 2005
Applicant:
Lihu M. Chiu, Arcadia, CA (US);
Inventor:
Lihu M. Chiu, Arcadia, CA (US);
Assignee:
Printronix, Inc., Irvine, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G08B 13/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
In one embodiment, a system for communicating with an RFID tag is provided that includes: a capacitive encoder adapted for placement in proximity of the RFID tag and operable to transmit a first operating signal to the RFID tag for communicating with the RFID tag; wherein the capacitive encoder is further operable to transmit to the RFID tag a second operating signal adapted to excite the RFID tag such that RF radiations from the RFID tag to adjacent RFID tags are nullified.