EP0113228A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Improvements relating to security cards
Assignee: McCORQUODALE PLC
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Filing: 1983-12-20
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Granted: —
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Expires: 2003-12-20
Abstract
Abstract A security card comprises a core formed by at least two laminae (1,2), indicia (6,8) such as a photo-image of the bearer of the card and the bearer's signature are provided within the core between the laminae. These indicia are detectable through at least one of the laminae (1,2).
Inventors
- 👤 Paul Boyd
- 👤 Alan Henry Squires
- 👤 David Patrick Kingston Christian
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-30 21:33
CPC Classifications
B; B42; B42D; B42D25/00; B42D25/40; B42D25/45; B42D25/465; B42D25/47; B42D25/30; B42D25/318; B42D25/405; B42D25/415; B42D25/42; B42D2033/06; B42D2033/14; B42D2033/28; B42D2035/02; B42D2035/06; B42D2035/08; B42D2035/34; B42D2035/44; B42D2035/50; B42D25/475; B42D25/48; B42D25/485
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
45 words
A security card comprising a core formed by at least two laminae (1,2), one or more indicia (6,8) characteristic of the card bearer being provided within the core between the laminae, and the or each indicium being detectable through at least one of the laminae.
Claim 2
Dependent Claim
45 words
A security card comprising a core formed by at least two laminae (1,2), one or more indicia (6,8) characteristic of the card bearer being provided within the core between the laminae, and the or each indicium being detectable through at least one of the laminae.
Claim 3
Dependent Claim
21 words
A security card according to claim 1, wherein a likeness (6) of the card bearer is provided between the core laminae.
Claim 4
Dependent Claim
21 words
A security card according to claim 2, wherein a photo-image (6) of the card bearer is provided between the core laminae.
Claim 5
Dependent Claim
25 words
A security card according to any of claims 1 to 3, wherein a representation of the bearer's signature (8) is provided between the core laminae.
Claim 6
Dependent Claim
62 words
A security card comprising a core formed by at least two laminae (1,2), one or more indicia being provided within the core laminae, further indicia (3,5) duplicating some or all of the indicia between the laminae being provided on a surface (4) of the core, and the or each indicium within the core being detectable through at least one of the laminae.
Claim 7
Dependent Claim
62 words
A security card comprising a core formed by at least two laminae (1,2), one or more indicia being provided within the core laminae, further indicia (3,5) duplicating some or all of the indicia between the laminae being provided on a surface (4) of the core, and the or each indicium within the core being detectable through at least one of the laminae.
Claim 8
Dependent Claim
15 words
A security card in accordance with claim 5, and any of claims 1 to 4.
Claim 9
Dependent Claim
27 words
A security card according to any of the preceding claims, wherein at least one indicium (6,8) within the core is duplicated at least once within the core.
Claim 10
Dependent Claim
29 words
A security card according to claim 7, wherein the core comprises more than two laminae, the indicia duplicated within the core being provided between different pairs of core laminae.
Claim 11
Dependent Claim
22 words
A security card according to any of claims 5 to 8, wherein the duplicated indicia (3,6;5,8) are relatively offset to assist comparison.
Claim 12
Dependent Claim
26 words
A security card according to claim 9, wherein at least one of the duplicated indicia (6') is reduced in size relatively to the other or others.
Claim 13
Dependent Claim
20 words
A security card according to claim 10, wherein the reduced indicium (6') is not readily recognisable to the naked eye.
Claim 14
Dependent Claim
36 words
A security card according to any of the preceding claims, wherein the or each indicium (6,8) between the core laminae (1,2) is provided on one or more relatively thin laminae (33) sandwiched between the core laminae.
Claim 15
Dependent Claim
35 words
A security card according to any of the preceding claims, wherein the core laminae (1,2) are translucent whereby the or each indicium (6,8) between the core laiminae are visible on transmitting light through the card.
Claim 16
Dependent Claim
23 words
A security card according to any of the preceding claims, further comprising a security character or code (21) provided solely within the core.
Claim 17
Dependent Claim
30 words
A security card according to any of the preceding claims, wherein a likeness (3) of the bearer of the card is provided, the likeness including one or more indicia (32).
Claim 18
Independent Claim
57 words
A method of manufacturing a security card, the method comprising providing at least two core laminae (1,2); providing one or more indicia characteristic of the bearer (6,8) of the card between the laminae; and joining the laminae together, the material of at least one lamina being such that the or each indicium is detectable through that lamina.
Claim 19
Independent Claim
57 words
A method of manufacturing a security card, the method comprising providing at least two core laminae (1,2); providing one or more indicia characteristic of the bearer (6,8) of the card between the laminae; and joining the laminae together, the material of at least one lamina being such that the or each indicium is detectable through that lamina.
Claim 20
Independent Claim
71 words
A method of manufacturing a security card, the method comprising providing at least two core laminae (1,2); providing one or more indicia (6,8) between the laminae; providing some or all of the same indicia (3,5) on an outer surface (4) of the laminae (2); and joining the laminae together, the material of at least one lamina being such that the or each indicium between the laminae is detectable through that lamina.
Claim 21
Independent Claim
71 words
A method of manufacturing a security card, the method comprising providing at least two core laminae (1,2); providing one or more indicia (6,8) between the laminae; providing some or all of the same indicia (3,5) on an outer surface (4) of the laminae (2); and joining the laminae together, the material of at least one lamina being such that the or each indicium between the laminae is detectable through that lamina.
Claim 22
Dependent Claim
23 words
A method according to claim 16 or claim 17, further comprising introducing an adhesive between adjacent laminae prior to joining the laminae together.
Claim 23
Dependent Claim
44 words
A method according to claim 18, wherein the adhesive is a two part adhesive, one part of the adhesive being coated on one lamina, and the other part of the adhesive being coated on the other lamina, prior to joining the two laminae together.
Claim 24
Independent Claim
42 words
A method according to any of claims 16 to 19, further comprising providing the or each indicium on a relatively thin lamina (33); and joining thick core laminae (1,2) together with the thin lamina carrying the or each indicium sandwiched between them.
Claim 25
Independent Claim
100 words
A method according to any of claims 16 to 20, comprising recording one or more indicia, for positioning between the core laminae, on photographic film; developing and exposing film onto a printing plate; printing the or each indicium on a surface (7) of a first core lamina (1); printing the or each indicium on a surface (4) of a second core lamina (2); and joining the laminae together with the or each indicium on the first core lamina sandwich between the core laminae and offset relatively to the or each corresponding indicium on the surface of the second core lamina.
Claim 26
Dependent Claim
94 words
22 A method according to any of claims 16 to 20, comprising recording one or more indicia, for positioning between the core laminae, on paper plate material; printing the or each indicium on a surface (7) of a first core lamina (1); printing the or each indicium on a surface (4) of a second core lamina (2); and joining the laminae together with the or each indicium on the first core lamina sandwich between the core laminae and offset relatively to the or each corresponding indicium on the surface of the second core lamina.
Claim 27
Independent Claim
106 words
A method according to any of claims 16 to 20, comprising recording one or more indicia, for positioning between the core laminae, on photographic film; developing and exposing the film on a silver halide gelatin photographic emulsion coated on a surface (7) of a first core lamina (1); exposing the film on a silver halide and gelatin photographic emulsion coated on a surface (4) of a second core lamina (2); and joining the laminae together with the or each indicium on the first core lamina sandwiched between the core laminae and offset from the or each corresponding indicium on the surface of the second core lamina.
Claim 28
Independent Claim
61 words
A method according to any of claims 21 to 23, further comprising including a security code or character (21) at an edge of the indicium or indicia, whereby the second core lamina (2) is sufficiently offset relative to the first core lamina (1) that the security code or character is only provided on the surface (7) of the first core lamina.
Claim 29
Independent Claim
60 words
A method according to any of claims 16 to 24, further comprising generating a likeness of the bearer of the card; modulating the likeness; and recording the modulated likenss (3) on a surface of a lamina of the card, the modulated likeness being such that the original likeness is still recognisable but has one or more indicia (32) included therein.
Claim 30
Dependent Claim
24 words
26 A method according to claim 25, wherein the step of modulating the likeness comprises modifying the density of different parts of the likeness.
Claim 31
Independent Claim
37 words
A method according to any of claims 16 to 26, wherein at least some indicia (6) are duplicated, the method further comprising forming one of the duplicated indicia (6') reduced in size relatively to the other (3).
Claim 32
Dependent Claim
62 words
A method according to at least claim 17, for manufacturing a plurality of security cards, the method comprising providing indicia on a surface of a first lamina; providing the same indicia on a surface of a second lamina; registering the two laminae together with the indicia relatively offset; joining the laminae together; and dividing the laminae into the plurality of security cards.
References Cited (Backward Citations)
No citation records indexed.
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