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. 21, 2020
Filed:
Jan. 17, 2019
Applicant:
Palo Alto Research Center Incorporated, Palo Alto, CA (US);
Inventors:
Ping Mei, San Jose, CA (US);
Janos Veres, San Jose, CA (US);
Assignee:
Palo Alto Research Center Incorporated, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06Q 30/00 (2012.01); G06K 19/07 (2006.01); H04W 4/35 (2018.01); G06K 7/10 (2006.01);
U.S. Cl.
CPC ...
G06K 19/0724 (2013.01); G06K 7/10069 (2013.01); G06K 19/0726 (2013.01); H04W 4/35 (2018.02);
Abstract
Systems and methods for operating a tag system. The methods comprise performing the following operations by a tag having an antenna: emitting a signal at a first frequency spectrum, if the tag is not proximate to a tag modulation marker; and emitting a signal at a second frequency spectrum, if the tag is proximate to the tag modulation marker.