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. 03, 2012
Filed:
Jun. 06, 2008
Applicants:
Patrick Claus Friedrich Eggers, Lystrup, DK;
Boyan Radkov Yanakiev, Aalborg Ø, DK;
Gert Frølund Pedersen, Storvorde, DK;
Alex Oprea, Toronto, CA;
Inventors:
Patrick Claus Friedrich Eggers, Lystrup, DK;
Boyan Radkov Yanakiev, Aalborg Ø, DK;
Gert Frølund Pedersen, Storvorde, DK;
Alex Oprea, Toronto, CA;
Assignee:
Lyngsoe Systems, Mississauga, Ontario, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04Q 5/22 (2006.01); H04Q 1/00 (2006.01); H04Q 9/00 (2006.01); G08B 13/14 (2006.01); G08B 1/08 (2006.01); G08B 29/00 (2006.01); G05B 19/00 (2006.01); G05B 23/00 (2006.01); G06F 7/00 (2006.01); G08C 19/00 (2006.01); H04B 1/00 (2006.01); H04B 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of detecting position of a moving RFID tag relative to an antenna, includes continually receiving a signal from the RFID tag at the antenna. The phase of the received signal over a time period is detected and, based on a maximum detected phase, the position of the RFID tag relative to the antenna is detected.