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.

Date of Patent:
Feb. 14, 2012

Filed:

Feb. 13, 2009
Applicants:

Christopher J. Diorio, Shoreline, WA (US);

Joel Peshkin, San Juan Capistrano, CA (US);

Ali Aiouaz, Mission Viejo, CA (US);

Scott Cooper, Seattle, WA (US);

Inventors:

Christopher J. Diorio, Shoreline, WA (US);

Joel Peshkin, San Juan Capistrano, CA (US);

Ali Aiouaz, Mission Viejo, CA (US);

Scott Cooper, Seattle, WA (US);

Assignee:

Impinj, Inc., Seattle, WA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

RFID reader and methods of operating an RFID reader are provided to limit or prevent the issuing of confidential information such as encryption keys, passwords, shared secrets, and the like to RFID tags if a reader is not authorized. The reader may determine its authorization status based on a self-check, information from another reader, or information from a controller, and limit an operational aspect of itself or for communication with the tags.


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