US 11,720,774 B2
Dynamic product tag based on an environmental condition
Dominique Guinard, Yverdon-les-Bains (CH); Joel Vogt, Commungy (CH); Niall Murphy, London (GB); Iker Larizgoitia Abad, London (GB); and Shmuel Silverman, Novato, CA (US)
Assigned to Digimarc Corporation, Beaverton, OR (US)
Filed by EVRYTHNG Ltd, London (GB)
Filed on Jun. 7, 2021, as Appl. No. 17/340,418.
Application 17/340,418 is a continuation of application No. 16/712,974, filed on Dec. 12, 2019, granted, now 11,068,761.
Claims priority of provisional application 62/779,033, filed on Dec. 13, 2018.
Prior Publication US 2021/0295125 A1, Sep. 23, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. G06Q 30/00 (2023.01); G06K 19/06 (2006.01); G06Q 10/087 (2023.01); G06F 16/955 (2019.01)
CPC G06K 19/06037 (2013.01) [G06F 16/9566 (2019.01); G06Q 10/087 (2013.01); G06K 19/06028 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A product tag, comprising:
an antenna configured to receive a radio-frequency (RF) signal;
memory configured to store a set of location information specifying different document locations, in which said memory comprises functional inks corresponding to the set of location information;
a control circuit, coupled to the antenna and the memory, configured to:
select location information in the set of location information corresponding to a document location in the document locations based at least in part on the received RF signal, said control circuit harvesting RF energy from the received RF signal to activate or deactivate at least a subset of the functional inks, wherein first location information in the set of location information indicates that a product associated with the product tag is authentic with exposure to the RF signal and second location information in the set of location information indicates that the product is not authentic without exposure to the RF signal; and
present the selected location information.