CA2138097C - Document de surete - Google Patents
Document de surete Download PDFInfo
- Publication number
- CA2138097C CA2138097C CA 2138097 CA2138097A CA2138097C CA 2138097 C CA2138097 C CA 2138097C CA 2138097 CA2138097 CA 2138097 CA 2138097 A CA2138097 A CA 2138097A CA 2138097 C CA2138097 C CA 2138097C
- Authority
- CA
- Canada
- Prior art keywords
- image
- tone
- document
- camouflage
- warning
- 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
- 239000000758 substrate Substances 0.000 claims abstract description 7
- 239000011800 void material Substances 0.000 claims description 11
- 239000000976 ink Substances 0.000 description 19
- 230000008859 change Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000033458 reproduction Effects 0.000 description 9
- 239000003086 colorant Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Credit Cards Or The Like (AREA)
- Cleaning In Electrography (AREA)
- Editing Of Facsimile Originals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/185,362 | 1994-01-24 | ||
| US08/185,362 US6000728A (en) | 1991-07-12 | 1994-01-24 | Security document |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2138097A1 CA2138097A1 (fr) | 1995-07-25 |
| CA2138097C true CA2138097C (fr) | 2000-05-23 |
Family
ID=22680678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2138097 Expired - Fee Related CA2138097C (fr) | 1994-01-24 | 1994-12-14 | Document de surete |
Country Status (2)
| Country | Link |
|---|---|
| CA (1) | CA2138097C (fr) |
| NZ (1) | NZ264983A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6039357A (en) * | 1992-01-08 | 2000-03-21 | Moore North America, Inc. | Security bands to prevent counterfeiting with color copies |
| PL234997B1 (pl) * | 2018-03-30 | 2020-05-18 | Pol Zdob Spolka Z Ograniczona Odpowiedzialnoscia | Nadruk z zabezpieczeniem przed kopiowaniem, zwłaszcza na opakowania wyrobów rynkowych |
-
1994
- 1994-11-24 NZ NZ264983A patent/NZ264983A/en unknown
- 1994-12-14 CA CA 2138097 patent/CA2138097C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| NZ264983A (en) | 1996-10-28 |
| CA2138097A1 (fr) | 1995-07-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6000728A (en) | Security document | |
| CA2112641C (fr) | Document de securite a tons variables | |
| CA2062237C (fr) | Methode de protection de documents empechant la reproduction sur un copieur couleur | |
| AU717797B2 (en) | Security document | |
| US5951055A (en) | Security document containing encoded data block | |
| JP2763725B2 (ja) | 偽造防止を施した帳票と、その製造方法 | |
| US8444181B2 (en) | Single-color screen patterns for copy protection | |
| US5785353A (en) | Negotiable document having enhanced security for deterring generation of copies of the negotiable document | |
| EP2015940B1 (fr) | Support d'impression à sécurité renforcée avec une protection contre la copie | |
| US5575508A (en) | Method and apparatus for inhibiting the copying of checks and negotiable documents | |
| WO2006001793A9 (fr) | Protection contre le scannage d'un document tout en couleur | |
| NZ264983A (en) | Security document; half tone warning image half tone background image printed on other areas of document surface, camouflage image hides warning image | |
| US20020067828A1 (en) | Copy protected document | |
| US20070133023A1 (en) | Document For Determining Interference Scanning Frequencies | |
| HK1006012B (en) | Varying tone securing document | |
| JP3086554B2 (ja) | 改良された有価証券 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |