CA2299074C - Document securitaire ameliore et methode de preparation dudit document - Google Patents
Document securitaire ameliore et methode de preparation dudit document Download PDFInfo
- Publication number
- CA2299074C CA2299074C CA002299074A CA2299074A CA2299074C CA 2299074 C CA2299074 C CA 2299074C CA 002299074 A CA002299074 A CA 002299074A CA 2299074 A CA2299074 A CA 2299074A CA 2299074 C CA2299074 C CA 2299074C
- Authority
- CA
- Canada
- Prior art keywords
- layer
- game data
- document
- reflectance
- reflectance value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004519 manufacturing process Methods 0.000 title 1
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- 238000000034 method Methods 0.000 claims description 19
- 238000002329 infrared spectrum Methods 0.000 claims 2
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- 230000008859 change Effects 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 155
- 239000000976 ink Substances 0.000 description 23
- 230000003287 optical effect Effects 0.000 description 12
- 238000001514 detection method Methods 0.000 description 10
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- 239000004816 latex Substances 0.000 description 9
- 229920000126 latex Polymers 0.000 description 9
- 239000011248 coating agent Substances 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 239000002966 varnish Substances 0.000 description 6
- 239000011888 foil Substances 0.000 description 4
- 239000011087 paperboard Substances 0.000 description 4
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- -1 free radical acrylates Chemical class 0.000 description 1
- 238000007646 gravure printing Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000007644 letterpress printing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
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- 239000002904 solvent Substances 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
Landscapes
- Credit Cards Or The Like (AREA)
- Printing Methods (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16483998A | 1998-10-01 | 1998-10-01 | |
| US09/164,839 | 1998-10-01 | ||
| CA2302665 | 1999-09-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2299074A1 CA2299074A1 (fr) | 2000-04-01 |
| CA2299074C true CA2299074C (fr) | 2004-06-29 |
Family
ID=31888868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002299074A Expired - Fee Related CA2299074C (fr) | 1998-10-01 | 1999-09-29 | Document securitaire ameliore et methode de preparation dudit document |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2299074C (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6732916B1 (en) | 2000-04-14 | 2004-05-11 | Gtech Rhode Island Corporation | Automated ticket cancellation device and process for canceling uniquely numbered tickets |
| FR2908911B1 (fr) * | 2006-11-21 | 2008-12-26 | Jeux Sa Franc Des | Ticket de jeu comportant des donnees de validation,procede de securisation et lecteur optique d'un tel ticket de jeu |
-
1999
- 1999-09-29 CA CA002299074A patent/CA2299074C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2299074A1 (fr) | 2000-04-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |