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.:

US 7474220 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 06, 2009

Filed:

Apr. 19, 2006
Applicants:

Hyouk-ryeol Choi, Gunpo-si, KR;

Se-gon Roh, Suwon-si, KR;

Jin-ho Park, Pohang-si, KR;

Inventors:

Hyouk-Ryeol Choi, Gunpo-si, KR;

Se-Gon Roh, Suwon-si, KR;

Jin-Ho Park, Pohang-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 13/14 (2006.01);
U.S. Cl.
CPC ...
Abstract

A three-dimensional (3D) radio frequency identification (RFID) tag and an environment condition recognition system and method using the 3D RFID tag are provided. The environment condition recognition system capable of recognizing position and orientation of the object includes a plurality of RF tags each having a self identifier ID, being independently disposed, and having an orientation with respect to a main axial direction, an RFID antenna activating the tags and initiating connection with the RF tags, a reader connected to the antenna and reading information of the RF tags, and an analysis unit connected to the reader and collecting and analyzing the information of the tags.


Find Patent Forward Citations

Choi, Hyouk-Ryeol. (2009). Three-dimensional radio frequency identification tag and environment condition recognition system and method using tag (U.S. Patent No. 7474220). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7474220

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