CA2138097C - Document de surete - Google Patents

Document de surete Download PDF

Info

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
Application number
CA 2138097
Other languages
English (en)
Other versions
CA2138097A1 (fr
Inventor
William H. Mowry, Jr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Standard Register Co
Original Assignee
Standard Register Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US08/185,362 external-priority patent/US6000728A/en
Application filed by Standard Register Co filed Critical Standard Register Co
Publication of CA2138097A1 publication Critical patent/CA2138097A1/fr
Application granted granted Critical
Publication of CA2138097C publication Critical patent/CA2138097C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Credit Cards Or The Like (AREA)
  • Cleaning In Electrography (AREA)
  • Editing Of Facsimile Originals (AREA)
CA 2138097 1994-01-24 1994-12-14 Document de surete Expired - Fee Related CA2138097C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/185,362 US6000728A (en) 1991-07-12 1994-01-24 Security document
US08/185,362 1994-01-24

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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
CA2138097A1 (fr) 1995-07-25
NZ264983A (en) 1996-10-28

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
EP2015940B1 (fr) Support d'impression à sécurité renforcée avec une protection contre la copie
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
US5575508A (en) Method and apparatus for inhibiting the copying of checks and negotiable documents
US20070086070A1 (en) Full Color Scanning Protection of a Document
CA2138097C (fr) Document de surete
WO2006001793A9 (fr) Protection contre le scannage d'un document tout en couleur
US20070133023A1 (en) Document For Determining Interference Scanning Frequencies
US20020067828A1 (en) Copy protected document
JP3086554B2 (ja) 改良された有価証券

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed