US3802724A - Protection system for computerized negotiable document printouts - Google Patents
Protection system for computerized negotiable document printouts Download PDFInfo
- Publication number
- US3802724A US3802724A US00287648A US28764872A US3802724A US 3802724 A US3802724 A US 3802724A US 00287648 A US00287648 A US 00287648A US 28764872 A US28764872 A US 28764872A US 3802724 A US3802724 A US 3802724A
- Authority
- US
- United States
- Prior art keywords
- document
- amount
- signature
- pattern
- visible
- 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 - Lifetime
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K1/00—Methods or arrangements for marking the record carrier in digital fashion
- G06K1/12—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching
- G06K1/125—Methods or arrangements for marking the record carrier in digital fashion otherwise than by punching by magnetic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/20—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof characterised by a particular use or purpose
- B42D25/29—Securities; Bank notes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/02—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the selection of materials, e.g. to avoid wear during transport through the machine
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S283/00—Printed matter
- Y10S283/901—Concealed data
Definitions
- ABSTRACT A system to protect negotiable documentsfrom illegal UuS- sisserati n uch as amount or Signature particularly s 1 i i. omputer printout documents comprising preprinting
- the present invention which is an improvement over copending U. S. application Ser. No. 287,837, entitled CONTINUOUS FORM COMPUTER PRINT-OUT DOCUMENT PROTECTION SYSTEM, filed Sept. 1 l, 1972, comprises a documentprotection system for use with high speed data processing equipment such, for example, as high speed printers which produce visibly legible records from a computer.
- a high tensile strength, transparent material is pre-cut in the form of a tape which is or may be produced in a relatively large roll.
- the transparent material is required to have a friction coefficient sufficient to avoid'marking by known means such, for example, as ball point pens, crayons, wax pencils, and the like.
- the tape is provided with a lightly colored camouflage pattern on one surface which is overcoated with a highly aggressive, pressuresensitive, adhesive coating.
- the opposite surface of the transparent tape is coated with a curable colorless silicone resin.
- the document to which the pressure sensitized tape is to be applied is or may be provided with a lightly colored, so-called VOID pattern of repeating symbology such, for example, as the word void, fraud, cancelled or some similar designation.
- the tape with the camouflage protective coating is adhesively secured over the area containing the void pattern, thus masking the void pattern from the eye while permitting any more darkly colored, printed indicia such, for example, as the number amount in the case of a check or the signature of the payer of the document to be visibly discernible through the tape.
- the document thus protected cannot be written upon in a protected area with the generally available writing instruments due to the slipperiness of the exposed surface provided by the invention. Attempts at complete or partial removal of the applied tape result in damage to the document, e.g., tearing, mutilation, holes in the protected area, etc.
- An additional object of the invention is to provide a document protection system which is adaptable for use with a high speed computer printout apparatus so that the item to be protected receives the protective element or material concurrently or simultaneously with the printing of the amount and signature thereof.
- Still another object of the invention is to provide a relatively simple document protecting means which avoids the use of complex chemical formulations and permits the system to be employed by means of simple mechanical applicators such as cold pressure rolls or platens.
- FIG. 1 is a greatly enlarged sectional view in side elevation of the document protection system as applied to a conventional check;
- FIG. 2 is a view of a portion of a camouflage pattern for use with the present invention
- FIG. 3 is an isometric view of the tape protecting layered adhesive assembly inconjunction with a document to be protected
- FIG. 4 is a top plan of a conventional check illustrating the void pattern arranged over the amount area of the check.
- FIG. 5 is a view similar to view 4 illustrating the check protection tape applied over the amount area illustrating the complete camouflage of the void pattern while permitting the amount to be visible through the tape.
- FIG. 1 there is shown a portion of a piece of document material, e.g., check paper, disproportionately enlarged so as to more clearly make discernible the various elements of the combination.
- the check paper which may vary in thickness from about 0.0035 to 0.007 inch may have printed on the facing surface 12 thereof a printed pattern 14, e.g., the word VOID repeated in multiple lines.
- a solvent insoluble substrate such, for example, as a polyester film base 16 on the order of 0.001 inch in thickness is provided on one surface 18 thereof with a curable silicone resin plus catalyst coating 20 of 0.0005 to 0.00005 inch thickness.
- the opposite surface 22 of the polyester substrate 16 is provided with a printed, camouflage pattern 24 which pattern is printed directly on the film base; and, as will be seen later on herein, cooperates with the VOID pattern printed on the check in the same color to completely hide or mask the void pattern.
- a coating 26 of a high peel strength, aggressive, solvent and heat resistant, pressure sensitive, adhesive which is approximately 0.0008 to 0.0015 inch in thickness.
- the ink used to apply the VOID pattern is solvent insoluble; thus if the adhesive is dissolved away by a solvent, the pattern of the void becomes clearly, visibly evident and immediately indicates the fraudulent alteration of the document.
- the polyester substrate with its multiple layers of material is disposed with the adhesive coating adjacent the VOID pattern on the check paper.
- FIG, 2 is illustrative of one type of camouflage pattern 24 which may be used with the void pattern 14 of the present invention.
- camouflage pattern 24 which may be used with the void pattern 14 of the present invention.
- other patterns may be used provided the end result is that the void pattern printed on the check paper is masked thereby so that the pattern is invisible to the unaided eye.
- FIG. 3 illustrates the manner in which the check protection system of the present invention can be employed to protect the amount area of a document, for example, a negotiable instrument such as a check.
- the layered structure as described in connection with FIG. I is produced in the form of a continuous tape or band 28 which may be loaded onto a supply reel and thereafter fed from the supply reel to the printing area of the high speed printer permitting a portion of the tape to be adherred under cold pressure as by a roller and back-up anvil over the amount which has been printed in the amount area over the void pattern which is preprinted on the check structure.
- FIG. 4 An example of a check structure 10 bearing a preprinted void pattern 14 is shown in FIG. 4. This pattern could also be employed in the signature area 30 and the layered tape construction used in similar fashion to its use in the amount area.
- FIG. 5 illustrates an example of the finally protected document, in this case a check 10, as it might appear with the protecting tape 28 adherred over the amount awaiting the signature of the payor with the void pattern camouflaged but with the amount clearly distinguishable therethrough.
- a document protection system for safeguarding negotiable instruments of exchange against fraudulent alteration of amount and/or signature comprising:
- a transparent film member having a camouflage pattern on one surface and an adhesive coating adhered to said surface
- said film being applied to said document under cold pressure permitting the signature and/or amount to be visible through said film but so that the camouflage pattern completely obscures the pattern of legible data until the film is disrupted or removed when the data becomes plainly visible, signifying fraudulent alteration.
- Document protection system for safeguarding negotiable instruments of exchange against fraudulent alteration of amount and/or signature comprising:
- camouflaging means secured to said camouflaging means having a very low coefficient of friction relative to known writing instruments and of a material such that removal thereof results in partial destruction or dam age to said instrument
- camouflaging means bonding said camouflaging means to said document permitting the signature and/or amount to be visible to the unaided eye but so as to make alteration by writing on said document relatively impossible.
- a document protection system for safeguarding negotiable instruments of exchange against fraudulent alteration of amount and/or signature comprising:
- said strata including a camouflage pattern for camouflaging said signal pattern and means adhesively bonding said carrier member to said document upon the application of cold pressure permitting the signature and/or amount to be visible to the unaided eye but so that removal thereof exposes and makes visible the signal pattern on the document and damages the structure of the document.
- a document protection system for safeguarding negotiable instruments of exchange against fraudulent alteration of amount and/or signature comprising:
- a solvent insoluble substrate having on one surface a silicone resin plus a catalyst coating with the opposite surface of said substrate being provided with a camouflage coating
- said substrate comprises a polyester film on the order of 0.001 inch in thickness and wherein said silicone resin catalyst coating is on the order of 0.0005 to 0.00005 inch in thickness.
- said solvent insoluble substrate comprises a transparent MYLAR film and wherein the means bonding the substrate to the document comprises an adhesive approximately 0.008 to 0.0015 inch in thickness of a material having a high peel strength, aggressive, solvent and heat resistant and pressure sensitive.
- a document protection system for safeguarding negotiable instruments of exchange, against fraudulent alteration of amount and/or signature comprising:
- a transparent polyester solvent insoluble film forming a carrier member, said carrier member having a curable silicone resin plus a catalyst coating on one surface and'a printed camouflage pattern plus a solvent and heat resistant adhesive on the opposite surface,
- said film being bonded to said document in the indicia and amount areas by cold. pressure permitting the signature and/or amount to be visible to the unaided eye but whereby said film pattern masks and obscures said signal pattern unless the film is ruptured and prevents marking by known writing instruments thus avoiding fraudulent alteration.
- a document protection method for safeguarding negotiable instruments of exchange against fraudulent alteration of amount and/or signature comprising the steps of:
Abstract
Description
Claims (8)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00287648A US3802724A (en) | 1972-09-11 | 1972-09-11 | Protection system for computerized negotiable document printouts |
DE19732340810 DE2340810A1 (en) | 1972-09-11 | 1973-08-11 | FALSE-PROOF DOCUMENTS WITH COMPUTER PRINTOUTS |
GB3833573A GB1411486A (en) | 1972-09-11 | 1973-08-14 | Protection system for negotiable documents |
JP48097090A JPS4966100A (en) | 1972-09-11 | 1973-08-28 | |
CA179,814A CA1016210A (en) | 1972-09-11 | 1973-08-28 | System preventing fraudulent alteration of computerized negotiable documents |
FR7331350A FR2199419A5 (en) | 1972-09-11 | 1973-08-30 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00287648A US3802724A (en) | 1972-09-11 | 1972-09-11 | Protection system for computerized negotiable document printouts |
Publications (1)
Publication Number | Publication Date |
---|---|
US3802724A true US3802724A (en) | 1974-04-09 |
Family
ID=23103782
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US00287648A Expired - Lifetime US3802724A (en) | 1972-09-11 | 1972-09-11 | Protection system for computerized negotiable document printouts |
Country Status (6)
Country | Link |
---|---|
US (1) | US3802724A (en) |
JP (1) | JPS4966100A (en) |
CA (1) | CA1016210A (en) |
DE (1) | DE2340810A1 (en) |
FR (1) | FR2199419A5 (en) |
GB (1) | GB1411486A (en) |
Cited By (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2805146A1 (en) * | 1977-02-08 | 1978-08-10 | Burroughs Corp | DEVICE FOR THE PROTECTION OF DOCUMENTS |
US4183554A (en) * | 1978-01-26 | 1980-01-15 | General Binding Corporation | Semi-laminated security pouch |
US4227719A (en) * | 1978-09-20 | 1980-10-14 | Burroughs Corporation | Protection system for documents |
US4231593A (en) * | 1978-02-21 | 1980-11-04 | Centurion Data Corporation | Check with electrically conductive layer |
US4341404A (en) * | 1980-02-11 | 1982-07-27 | Burroughs Corporation | Security document using a variable dot screen |
US4385285A (en) * | 1981-04-02 | 1983-05-24 | Ncr Corporation | Check dispensing terminal |
US4456373A (en) * | 1982-04-26 | 1984-06-26 | Burlington Industries, Inc. | Means for deterring misuse of copying machines |
US4573711A (en) * | 1984-02-21 | 1986-03-04 | Kirkplastic Company Incorporated | Secure credit card and method of manufacturing same |
US4637634A (en) * | 1985-07-24 | 1987-01-20 | Troy Seymour L | Two-part bank draft |
US4846502A (en) * | 1986-06-24 | 1989-07-11 | Wallace Computer Services, Inc. | Tamper evident document and use thereof |
EP0412905A1 (en) * | 1989-08-11 | 1991-02-13 | Arjo Wiggins S.A. | Security paper |
US4998666A (en) * | 1988-05-13 | 1991-03-12 | Frederick R. Ewan | Tamper indicating containers and seals |
US5184910A (en) * | 1991-09-16 | 1993-02-09 | Betsill Katherine B | Method and material for writing checks by applying pressure on a preprinted overlay |
US5219194A (en) * | 1992-02-28 | 1993-06-15 | Viking Corporation | Security seal |
US5294470A (en) * | 1988-05-13 | 1994-03-15 | Ewan Frederick R | Tamper indicating containers and seals |
US5304587A (en) * | 1991-12-19 | 1994-04-19 | Moore Business Forms, Inc. | Water resistant security ink composition |
US5413839A (en) * | 1990-07-12 | 1995-05-09 | Thomas De La Rue & Company Limited | Transfer film |
US5510171A (en) * | 1995-01-19 | 1996-04-23 | Minnesota Mining And Manufacturing Company | Durable security laminate with hologram |
US5683774A (en) * | 1994-12-09 | 1997-11-04 | Minnesota Mining And Manufacturing Company | Durable, tamper resistant security laminate |
US5704651A (en) * | 1995-05-25 | 1998-01-06 | Verify First Technologies, Inc. | Counterfeit resistant documents and methods |
US5704652A (en) * | 1992-07-17 | 1998-01-06 | Optical Security Group, Inc. | Tamper evident and counterfeit resisting informational article and associated method |
US5720801A (en) * | 1996-11-06 | 1998-02-24 | Nadan; Wendy | Water resistant security ink composition |
US5762378A (en) * | 1996-02-16 | 1998-06-09 | Verify First Technologies, Inc. | Tamper resistant validation marks |
US5770283A (en) * | 1993-11-02 | 1998-06-23 | Minnesota Mining And Manufacturing Company | Tamper-indicating label |
US5772248A (en) * | 1995-12-07 | 1998-06-30 | Verify First Technologies, Inc. | Document with tamper and counterfeit resistant relief markings |
US5873604A (en) * | 1995-05-25 | 1999-02-23 | Verify First Technologies, Inc. | Document security system having thermo-activated pantograph and validation mark |
GB2345264A (en) * | 1998-12-29 | 2000-07-05 | Rue De Int Ltd | Document security feature including a masked component which becomes mobile and detectable when wetted |
US6396927B1 (en) | 1995-05-25 | 2002-05-28 | Verify First Technologies, Inc. | Variable density verification |
US20040114190A1 (en) * | 2002-12-12 | 2004-06-17 | Man Lai Chee | Methods and apparatus for watermarking digitally printed documents |
US20070114785A1 (en) * | 2005-10-06 | 2007-05-24 | Ithink, Inc. | Document tablet incoporating a transparent adhesive holographic/non-holographic security film overlay between pages in the tablet for mechanically protecting locations on the document |
US20100038897A1 (en) * | 2005-10-06 | 2010-02-18 | Stephan Scott Porter | Document tablet incorporating a transparent adhesive holographic/non-holographic security film overlay between pages in the tablet for mechanically protecting locations on the document |
US20140070525A1 (en) * | 2012-09-07 | 2014-03-13 | The Standard Register Company | Security document |
US20180322812A1 (en) * | 2015-02-24 | 2018-11-08 | Validation Security Technology Identification S De Rl De Cv | Smart label system |
US10452908B1 (en) * | 2016-12-23 | 2019-10-22 | Wells Fargo Bank, N.A. | Document fraud detection |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4265469A (en) * | 1977-05-18 | 1981-05-05 | Burroughs Corporation | Protected document and method of making same |
DE3048734A1 (en) * | 1980-12-23 | 1982-07-15 | GAO Gesellschaft für Automation und Organisation mbH, 8000 München | SECURITY PAPER WITH THE REALITY CHARACTERISTICS |
US4709396A (en) * | 1985-12-24 | 1987-11-24 | John H. Harland Company | Tamper-evident envelope with indicia underlying cohesive layers |
US4709397A (en) * | 1985-12-24 | 1987-11-24 | John H. Harland Company | Tamper-evident envelope with indicia-forming cohesive layers |
US5582434A (en) * | 1986-12-15 | 1996-12-10 | Flexcon Company, Inc. | Tamper-resistant labeling |
DE102021000626A1 (en) | 2021-02-08 | 2022-08-11 | Giesecke+Devrient Currency Technology Gmbh | Security element for embedding in a security document |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US512985A (en) * | 1894-01-16 | Method of treating checks to prevent fraudulent alteration thereof | ||
US1003443A (en) * | 1911-09-19 | William Thorne Erickson | Stamp and label. | |
US1479534A (en) * | 1924-01-01 | Doevilxje | ||
US3282720A (en) * | 1963-11-01 | 1966-11-01 | Avco Corp | Method of applying signatures to negotiable instruments |
US3364049A (en) * | 1964-04-27 | 1968-01-16 | Du Pont | Self-destructible decal with adhesive on one surface and indicia covered by a vinyl addition polymer on the other |
US3391479A (en) * | 1965-12-10 | 1968-07-09 | Polaroid Corp | Laminations |
DE1446851A1 (en) * | 1963-07-08 | 1968-11-21 | Portals Ltd | Security device, in particular for security paper, and process for their production |
US3545380A (en) * | 1967-01-12 | 1970-12-08 | Addressograph Multigraph | Identification and printing device with fraud preventing means |
-
1972
- 1972-09-11 US US00287648A patent/US3802724A/en not_active Expired - Lifetime
-
1973
- 1973-08-11 DE DE19732340810 patent/DE2340810A1/en not_active Withdrawn
- 1973-08-14 GB GB3833573A patent/GB1411486A/en not_active Expired
- 1973-08-28 JP JP48097090A patent/JPS4966100A/ja active Pending
- 1973-08-28 CA CA179,814A patent/CA1016210A/en not_active Expired
- 1973-08-30 FR FR7331350A patent/FR2199419A5/fr not_active Expired
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US512985A (en) * | 1894-01-16 | Method of treating checks to prevent fraudulent alteration thereof | ||
US1003443A (en) * | 1911-09-19 | William Thorne Erickson | Stamp and label. | |
US1479534A (en) * | 1924-01-01 | Doevilxje | ||
DE1446851A1 (en) * | 1963-07-08 | 1968-11-21 | Portals Ltd | Security device, in particular for security paper, and process for their production |
US3282720A (en) * | 1963-11-01 | 1966-11-01 | Avco Corp | Method of applying signatures to negotiable instruments |
US3364049A (en) * | 1964-04-27 | 1968-01-16 | Du Pont | Self-destructible decal with adhesive on one surface and indicia covered by a vinyl addition polymer on the other |
US3391479A (en) * | 1965-12-10 | 1968-07-09 | Polaroid Corp | Laminations |
US3545380A (en) * | 1967-01-12 | 1970-12-08 | Addressograph Multigraph | Identification and printing device with fraud preventing means |
Cited By (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2805146A1 (en) * | 1977-02-08 | 1978-08-10 | Burroughs Corp | DEVICE FOR THE PROTECTION OF DOCUMENTS |
US4183554A (en) * | 1978-01-26 | 1980-01-15 | General Binding Corporation | Semi-laminated security pouch |
US4231593A (en) * | 1978-02-21 | 1980-11-04 | Centurion Data Corporation | Check with electrically conductive layer |
US4227719A (en) * | 1978-09-20 | 1980-10-14 | Burroughs Corporation | Protection system for documents |
US4341404A (en) * | 1980-02-11 | 1982-07-27 | Burroughs Corporation | Security document using a variable dot screen |
US4385285A (en) * | 1981-04-02 | 1983-05-24 | Ncr Corporation | Check dispensing terminal |
US4456373A (en) * | 1982-04-26 | 1984-06-26 | Burlington Industries, Inc. | Means for deterring misuse of copying machines |
US4573711A (en) * | 1984-02-21 | 1986-03-04 | Kirkplastic Company Incorporated | Secure credit card and method of manufacturing same |
US4637634A (en) * | 1985-07-24 | 1987-01-20 | Troy Seymour L | Two-part bank draft |
US4846502A (en) * | 1986-06-24 | 1989-07-11 | Wallace Computer Services, Inc. | Tamper evident document and use thereof |
US5294470A (en) * | 1988-05-13 | 1994-03-15 | Ewan Frederick R | Tamper indicating containers and seals |
US4998666A (en) * | 1988-05-13 | 1991-03-12 | Frederick R. Ewan | Tamper indicating containers and seals |
EP0412905A1 (en) * | 1989-08-11 | 1991-02-13 | Arjo Wiggins S.A. | Security paper |
US5413839A (en) * | 1990-07-12 | 1995-05-09 | Thomas De La Rue & Company Limited | Transfer film |
US5184910A (en) * | 1991-09-16 | 1993-02-09 | Betsill Katherine B | Method and material for writing checks by applying pressure on a preprinted overlay |
US5304587A (en) * | 1991-12-19 | 1994-04-19 | Moore Business Forms, Inc. | Water resistant security ink composition |
US5219194A (en) * | 1992-02-28 | 1993-06-15 | Viking Corporation | Security seal |
US5704652A (en) * | 1992-07-17 | 1998-01-06 | Optical Security Group, Inc. | Tamper evident and counterfeit resisting informational article and associated method |
US5770283A (en) * | 1993-11-02 | 1998-06-23 | Minnesota Mining And Manufacturing Company | Tamper-indicating label |
US5683774A (en) * | 1994-12-09 | 1997-11-04 | Minnesota Mining And Manufacturing Company | Durable, tamper resistant security laminate |
US6284337B1 (en) | 1994-12-09 | 2001-09-04 | 3M Innovative Properties Company | Durable security laminate with heat-shrinkable layer |
US5658411A (en) * | 1995-01-19 | 1997-08-19 | Minnesota Mining And Manufacturing Company | Durable security laminate with hologram |
US5510171A (en) * | 1995-01-19 | 1996-04-23 | Minnesota Mining And Manufacturing Company | Durable security laminate with hologram |
US5704651A (en) * | 1995-05-25 | 1998-01-06 | Verify First Technologies, Inc. | Counterfeit resistant documents and methods |
US5873604A (en) * | 1995-05-25 | 1999-02-23 | Verify First Technologies, Inc. | Document security system having thermo-activated pantograph and validation mark |
US6665406B1 (en) | 1995-05-25 | 2003-12-16 | Verify First Technologies, Inc. | Variable density verification |
US6396927B1 (en) | 1995-05-25 | 2002-05-28 | Verify First Technologies, Inc. | Variable density verification |
US5772248A (en) * | 1995-12-07 | 1998-06-30 | Verify First Technologies, Inc. | Document with tamper and counterfeit resistant relief markings |
US5762378A (en) * | 1996-02-16 | 1998-06-09 | Verify First Technologies, Inc. | Tamper resistant validation marks |
US5720801A (en) * | 1996-11-06 | 1998-02-24 | Nadan; Wendy | Water resistant security ink composition |
US6444377B1 (en) | 1998-12-29 | 2002-09-03 | De La Rue International Ltd. | Security features |
GB2345264A (en) * | 1998-12-29 | 2000-07-05 | Rue De Int Ltd | Document security feature including a masked component which becomes mobile and detectable when wetted |
GB2345264B (en) * | 1998-12-29 | 2001-01-24 | Rue De Int Ltd | Improvement in security features |
US20110085209A1 (en) * | 2002-12-12 | 2011-04-14 | Lai Chee Man | Methods and apparatus for watermarking digitally printed documents |
US20040114190A1 (en) * | 2002-12-12 | 2004-06-17 | Man Lai Chee | Methods and apparatus for watermarking digitally printed documents |
US7307761B2 (en) | 2002-12-12 | 2007-12-11 | Electronics For Imaging, Inc. | Methods and apparatus for watermarking digitally printed documents |
US20080088881A1 (en) * | 2002-12-12 | 2008-04-17 | Man Lai C | Methods and apparatus for watermarking digitally printed documents |
US8014036B2 (en) * | 2002-12-12 | 2011-09-06 | Electronics For Imaging, Inc. | Methods and apparatus for watermarking digitally printed documents |
US7880934B2 (en) | 2002-12-12 | 2011-02-01 | Electronics For Imaging, Inc. | Methods and apparatus for watermarking digitally printed documents |
US20070114785A1 (en) * | 2005-10-06 | 2007-05-24 | Ithink, Inc. | Document tablet incoporating a transparent adhesive holographic/non-holographic security film overlay between pages in the tablet for mechanically protecting locations on the document |
US20100038897A1 (en) * | 2005-10-06 | 2010-02-18 | Stephan Scott Porter | Document tablet incorporating a transparent adhesive holographic/non-holographic security film overlay between pages in the tablet for mechanically protecting locations on the document |
US20140070525A1 (en) * | 2012-09-07 | 2014-03-13 | The Standard Register Company | Security document |
US9987872B2 (en) * | 2012-09-07 | 2018-06-05 | Taylor Communications, Inc. | Security document |
US20180322812A1 (en) * | 2015-02-24 | 2018-11-08 | Validation Security Technology Identification S De Rl De Cv | Smart label system |
US10452908B1 (en) * | 2016-12-23 | 2019-10-22 | Wells Fargo Bank, N.A. | Document fraud detection |
US11631269B1 (en) | 2016-12-23 | 2023-04-18 | Wells Fargo Bank, N.A. | Document fraud detection |
Also Published As
Publication number | Publication date |
---|---|
CA1016210A (en) | 1977-08-23 |
FR2199419A5 (en) | 1974-04-05 |
DE2340810A1 (en) | 1974-03-21 |
JPS4966100A (en) | 1974-06-26 |
GB1411486A (en) | 1975-10-29 |
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