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:
Jul. 22, 2014
Filed:
Jan. 04, 2010
Chiung Hung Chang, Hsinchu Hsien, TW;
Chiung Hung Chang, Hsinchu Hsien, TW;
MStar Semiconductor, Inc., , TW;
Abstract
A method for searching RFID tags and an RFID reader thereof are provided. Each of a plurality of RFID tags awaiting to be accessed has a UID composed of a plurality of bits. The method comprises dividing the plurality of bits of the UID into groups to generate a plurality of groups; selecting a first group and a first value for the first group; obtaining a search result according to a search command and the UIDs of the RFID tags; and analyzing the search result to determine whether at least one RFID tag corresponds to the first group and the first value. Each of the groups has n bits, where n is a positive integer greater than or equal to 1.