US 11,948,039 B2
Multipurpose card and reading system for said multipurpose card
Antonio Caramelli, Rome (IT); and Andrea Falcioni, Rome (IT)
Assigned to DIAMSAFE S.R.L., Rome (IT)
Appl. No. 17/799,176
Filed by DIAMSAFE S.R.L., Rome (IT)
PCT Filed Feb. 4, 2021, PCT No. PCT/IB2021/050906
§ 371(c)(1), (2) Date Aug. 11, 2022,
PCT Pub. No. WO2021/161137, PCT Pub. Date Aug. 19, 2021.
Claims priority of application No. 102020000002647 (IT), filed on Feb. 11, 2020.
Prior Publication US 2023/0097955 A1, Mar. 30, 2023
Int. Cl. G06K 19/08 (2006.01); G06K 19/18 (2006.01)
CPC G06K 19/086 (2013.01) [G06K 19/18 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A multipurpose card, comprising a first surface, a second surface, arranged in front of said first surface, a layer, arranged between said first surface and said second surface, and a stone, at least semi-transparent to an electromagnetic radiation, in a fixed position and at least partially in a housing at least partially in said layer; wherein:
the first surface comprises:
one or more first frontal areas with a first frontal degree of transparency to said electromagnetic radiation, either positioned in front of or comprising portions of said stone;
one or more first lateral areas with a first lateral degree of transparency to said electromagnetic radiation, positioned outside said one or more first frontal areas;
wherein said first frontal degree of transparency is greater than said first lateral degree of transparency;
the second surface comprises:
one or more second frontal areas with a second frontal degree of transparency to said electromagnetic radiation, positioned in front of said stone;
one or more second lateral areas with a second lateral degree of transparency to said electromagnetic radiation, positioned outside said one or more second frontal areas;
wherein said second frontal degree of transparency is smaller than said second lateral degree of transparency; and
the layer comprises, along a set of electromagnetic paths between said one or more second lateral areas and a surface portion of said housing, interposed means at least semi-transparent to said electromagnetic radiation, configured to allow light to pass into said housing.