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:
Dec. 13, 2011
Filed:
Mar. 02, 2009
Applicants:
Pavel Nikitin, Seattle, WA (US);
Kvs (Venkata Kodukula) Rao, Bothell, WA (US);
Sander Lam, Everett, WA (US);
Inventors:
Pavel Nikitin, Seattle, WA (US);
KVS (Venkata Kodukula) Rao, Bothell, WA (US);
Sander Lam, Everett, WA (US);
Assignee:
Intermec IP Corp., Everett, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B 13/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
Spatial antenna diversity is used with RFID tags to reduce sensitivity to multi-path fading. RFID tags can use a single multi-port chip or multiple multi-port chips. The ports of the chip or chips are coupled to separated feedpoints on one or more antennas.