US 12,223,860 B2
Label for identifying an object, a precursor of the label, a method of reading the label, and a method of manufacturing the label
Amândio Xavier Gomes Antunes, Braga (PT); Ana Eduarda Silva, Gamil (PT); António Augusto Magalhães da Cunha, Braga (PT); Guilherme Augusto Borges Pereira, Braga (PT); Ricardo Figueiredo de Sá, Gamil (PT); and Tania Cristina De Abreu Braga, Braga (PT)
Assigned to UN1QNX, Braga (PT)
Appl. No. 17/772,121
Filed by UN1QNX, Braga (PT)
PCT Filed Oct. 30, 2019, PCT No. PCT/EP2019/079637
§ 371(c)(1), (2) Date Apr. 26, 2022,
PCT Pub. No. WO2021/083504, PCT Pub. Date May 6, 2021.
Claims priority of application No. 115866 (PT), filed on Oct. 28, 2019.
Prior Publication US 2022/0406224 A1, Dec. 22, 2022
Int. Cl. G06K 19/06 (2006.01); B05D 7/00 (2006.01); B42D 15/00 (2006.01); G06C 11/00 (2006.01); G09F 3/00 (2006.01); G09F 3/02 (2006.01)
CPC G09F 3/0297 (2013.01) [B05D 7/546 (2013.01); G09F 2003/0257 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A label for identifying an object, comprising:
At least first and second layers, wherein:
the first and second layers are arranged so that the at least two layers at least partially overlap one another;
and further wherein:
(a) the first layer comprises first identifier elements disposed in a first matrix material thereof, the first identifier elements being configured to be detected using visible light;
(b) the second layer comprises second identifier elements disposed in a second matrix material thereof, the second identifier elements being configured to be detected using visible light; and
(c) at least one of the first identifier elements and the second identifier elements comprises one or more of ink, a colored liquid, faded contours, undefined boundaries, bubbles, color streaks, smudges of color, color smears, color streaks, and flowmarks;
and still further wherein the label comprises at least one focal point or focal mark configured to enable a validation device or a reading device to focus on the focal point or focal mark from at least two different angles using visible light, the validation device or reading device being configured to generate at least first and second digital images of at least portions of the label from the at least two different angles.