Patent EP0372837A2 successfully refreshed from Google Patents.
EP0372837A2
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EP
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Identification cards
Assignee: PMI DATA Ltd
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Filing: 1989-11-30
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Granted: —
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Expires: 2009-11-30
Abstract
Abstract An ID card which comprises an opaque base which has adhered thereto a sheet which comprises an easy to recognise representational image (10) of the person to whom the card relates and at least one modulated image (11) which bears a recognisable relationship to the representational image but which has been altered with respect to its density and/or colour and/or spatial characteristics. Preferably the altered image has been modulated electronically.
Inventors
- 👤 David William Miller
- 👤 Keith Christopher Steele
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-07 15:09
CPC Classifications
B; B42; B42D; B42D25/00; B42D2033/04; B42D2035/50; B42D25/30; B42D25/309; B42D25/328; B42D25/40; B42D25/45; B42D25/465; B42D25/47
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
60 words
An I.D. card which comprises an opaque base which has adhered thereto a sheet which comprises an easy to recognise representational image of the person to whom the card relates and at least one modulated image which bears a recognisable relationship to the representational image but which has been altered with respect to its density and/or colour and/or spatial characteristics.
Claim 2
Dependent Claim
60 words
An I.D. card which comprises an opaque base which has adhered thereto a sheet which comprises an easy to recognise representational image of the person to whom the card relates and at least one modulated image which bears a recognisable relationship to the representational image but which has been altered with respect to its density and/or colour and/or spatial characteristics.
Claim 3
Dependent Claim
19 words
An I.D. card according to claim 1 wherein the representational image is a three colour image of the person.
Claim 4
Dependent Claim
29 words
An I.D. card according to claim 2 wherein the modulated image is a single colour separation image of the person which is lighter in density than the representational image.
Claim 5
Dependent Claim
18 words
An I.D. card according to claim 3 wherein the modulated image or images partially overlap the representational image.
Claim 6
Dependent Claim
22 words
An I.D. card according to any one of claims 1 to 4 wherein the modulated image or images have been modulated electronically.
Claim 7
Dependent Claim
26 words
An I.D. card according to any one of claims 1 to 5 wherein the sheet which carries the images is a sheet or colour photographic paper.
Claim 8
Dependent Claim
16 words
An I.D. card according to claim 6 wherein the photographic paper is silver dye bleach material.
Claim 9
Dependent Claim
32 words
An I.D. card according to anyone of claims 1 to 7 wherein the sheet which carries the two images also carries alpha-numeric information which has been printed electronically from a computer store.
Claim 10
Dependent Claim
49 words
An I.D. card according to any one of claims 1 to 8 which comprises a protective layer of transparent film material, the sheet which carries the images, a pigmented plastics material base and optionally a protective layer of transparent film material on the base distal to the said sheet.
Claim 11
Dependent Claim
26 words
An I.D. card according to claim 9 wherein there is present between the protective transparent layer and the said sheet a sheet of a transparent hologram.
References Cited (Backward Citations)
No citation records indexed.
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