CA1106872A - Protection de documents utilisant des couleurs au- dessous de la densite critique du copieur - Google Patents
Protection de documents utilisant des couleurs au- dessous de la densite critique du copieurInfo
- Publication number
- CA1106872A CA1106872A CA294,872A CA294872A CA1106872A CA 1106872 A CA1106872 A CA 1106872A CA 294872 A CA294872 A CA 294872A CA 1106872 A CA1106872 A CA 1106872A
- Authority
- CA
- Canada
- Prior art keywords
- document
- density
- color
- camouflage
- pattern
- 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
Links
- 239000003086 colorant Substances 0.000 title abstract 2
- 230000004075 alteration Effects 0.000 claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 238000000576 coating method Methods 0.000 claims abstract description 10
- 239000002904 solvent Substances 0.000 claims abstract description 9
- 229920002799 BoPET Polymers 0.000 claims abstract 3
- 239000005041 Mylar™ Substances 0.000 claims abstract 3
- 239000000126 substance Substances 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 229920002050 silicone resin Polymers 0.000 claims description 4
- 230000002889 sympathetic effect Effects 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 230000001186 cumulative effect Effects 0.000 claims description 2
- 239000011800 void material Substances 0.000 abstract description 23
- 239000000976 ink Substances 0.000 abstract description 16
- 230000008859 change Effects 0.000 abstract description 5
- 239000007787 solid Substances 0.000 abstract description 2
- 230000001850 reproductive effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 238000004061 bleaching Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000033458 reproduction Effects 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- JEYCTXHKTXCGPB-UHFFFAOYSA-N Methaqualone Chemical compound CC1=CC=CC=C1N1C(=O)C2=CC=CC=C2N=C1C JEYCTXHKTXCGPB-UHFFFAOYSA-N 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000004144 decalcomania Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M3/00—Printing processes to produce particular kinds of printed work, e.g. patterns
- B41M3/14—Security printing
- B41M3/146—Security printing using a non human-readable pattern which becomes visible on reproduction, e.g. a void mark
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/04—Preventing copies being made of an original
- G03G21/043—Preventing copies being made of an original by using an original which is not reproducible or only reproducible with a different appearence, e.g. originals with a photochromic layer or a colour background
-
- B42D2033/06—
-
- B42D2033/20—
-
- B42D2033/30—
-
- B42D2033/40—
-
- B42D2035/02—
-
- B42D2035/08—
-
- B42D2035/34—
-
- 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
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/318—Signatures
-
- 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
- B42D25/40—Manufacture
- B42D25/45—Associating two or more layers
- B42D25/465—Associating two or more layers using chemicals or adhesives
- B42D25/47—Associating two or more layers using chemicals or adhesives using adhesives
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Printing Methods (AREA)
- Credit Cards Or The Like (AREA)
- Cleaning In Electrography (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US76659077A | 1977-02-08 | 1977-02-08 | |
| US766,590 | 1985-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1106872A true CA1106872A (fr) | 1981-08-11 |
Family
ID=25076899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA294,872A Expired CA1106872A (fr) | 1977-02-08 | 1978-01-12 | Protection de documents utilisant des couleurs au- dessous de la densite critique du copieur |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5398829A (fr) |
| AU (1) | AU498768B1 (fr) |
| BE (1) | BE862772A (fr) |
| BR (1) | BR7800461A (fr) |
| CA (1) | CA1106872A (fr) |
| DE (1) | DE2805146C2 (fr) |
| FR (1) | FR2385161A1 (fr) |
| GB (3) | GB1599703A (fr) |
| IT (1) | IT1092126B (fr) |
| NL (1) | NL180082C (fr) |
| NZ (1) | NZ186372A (fr) |
Families Citing this family (14)
| 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 |
| ATE54495T1 (de) * | 1981-05-25 | 1990-07-15 | Nocopi Int Inc | Verfahren zum herstellen von fotokopiersicheren dokumenten, sowie fotokopierresistentes papier. |
| JPS59222398A (ja) * | 1983-05-31 | 1984-12-14 | 株式会社細川活版所 | 偽造防止に適する印刷物 |
| JPS6079991A (ja) * | 1983-10-07 | 1985-05-07 | Hosokawa Katsupanshiyo:Kk | 複写防止に適する印刷物 |
| JPS60119560A (ja) * | 1983-12-01 | 1985-06-27 | Hosokawa Katsupanshiyo:Kk | 複写による悪用防止印刷物を作るフィルム原版の製造方法 |
| DE3906944A1 (de) * | 1989-03-02 | 1990-09-13 | Francotyp Postalia Gmbh | Verfahren zur kennzeichnung von originaldrucken |
| DE3906945C2 (de) * | 1989-03-02 | 1993-11-25 | Francotyp Postalia Gmbh | Verfahren zur Unterscheidung von Originaldrucken von Kopien |
| US5438928A (en) * | 1990-01-31 | 1995-08-08 | Thomas De La Rue & Company Limited | Signature panels |
| DE69117756T2 (de) * | 1990-07-12 | 1996-07-18 | De La Rue Holographics Ltd | Verbesserungen für unterschriftsstreifen |
| JP2615401B2 (ja) * | 1992-06-04 | 1997-05-28 | 大蔵省印刷局長 | 偽造防止用潜像模様形成体及びその作製方法 |
| JP2600094B2 (ja) * | 1992-06-04 | 1997-04-16 | 大蔵省印刷局長 | 偽造防止用潜像印刷物及びその印刷方法 |
| DE4220344C2 (de) * | 1992-06-24 | 1994-06-23 | Trautwein Gmbh & Co | Gegen Vervielfältigung und/oder mißbräuchliche Entfernung und Wiederverwendung geschützte Plakette |
| US5878162A (en) * | 1993-11-30 | 1999-03-02 | Mita Industrial Co., Ltd. | Image processing circuit |
| JP4844351B2 (ja) | 2006-10-27 | 2011-12-28 | 富士ゼロックス株式会社 | 画像生成装置および記録媒体 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3852088A (en) * | 1972-03-20 | 1974-12-03 | Ibm | Security document system and method |
| US3802724A (en) * | 1972-09-11 | 1974-04-09 | Burroughs Corp | Protection system for computerized negotiable document printouts |
-
1977
- 1977-06-27 FR FR7719667A patent/FR2385161A1/fr active Granted
-
1978
- 1978-01-10 GB GB19965/80A patent/GB1599703A/en not_active Expired
- 1978-01-10 BE BE184212A patent/BE862772A/fr not_active IP Right Cessation
- 1978-01-10 GB GB26415/80A patent/GB1599704A/en not_active Expired
- 1978-01-10 GB GB835/78A patent/GB1599701A/en not_active Expired
- 1978-01-12 CA CA294,872A patent/CA1106872A/fr not_active Expired
- 1978-01-20 AU AU32579/78A patent/AU498768B1/en not_active Ceased
- 1978-01-24 IT IT19569/78A patent/IT1092126B/it active
- 1978-01-25 BR BR7800461A patent/BR7800461A/pt unknown
- 1978-01-25 JP JP783378A patent/JPS5398829A/ja active Granted
- 1978-02-01 NZ NZ186372A patent/NZ186372A/xx unknown
- 1978-02-07 NL NLAANVRAGE7801403,A patent/NL180082C/xx not_active IP Right Cessation
- 1978-02-07 DE DE2805146A patent/DE2805146C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1599704A (en) | 1981-10-07 |
| DE2805146A1 (de) | 1978-08-10 |
| NL180082B (nl) | 1986-08-01 |
| DE2805146C2 (de) | 1984-05-03 |
| GB1599701A (en) | 1981-10-07 |
| FR2385161B1 (fr) | 1980-07-18 |
| NL180082C (nl) | 1987-01-02 |
| NZ186372A (en) | 1979-10-25 |
| BR7800461A (pt) | 1978-10-10 |
| GB1599703A (en) | 1981-10-07 |
| JPS5398829A (en) | 1978-08-29 |
| IT7819569A0 (it) | 1978-01-24 |
| BE862772A (fr) | 1978-05-02 |
| IT1092126B (it) | 1985-07-06 |
| FR2385161A1 (fr) | 1978-10-20 |
| AU498768B1 (en) | 1979-03-22 |
| NL7801403A (nl) | 1978-08-10 |
| JPS646958B2 (fr) | 1989-02-07 |
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| CA1106872A (fr) | Protection de documents utilisant des couleurs au- dessous de la densite critique du copieur | |
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| JPH02155796A (ja) | Ｉｄカードおよびその製造方法 | |
| EP0156618B1 (fr) | Document de sécurité | |
| JPS60157895A (ja) | 保護カバ−された認識カ−ド | |
| JP3325943B2 (ja) | 改竄防止用印字シート | |
| US6224111B1 (en) | Secure document | |
| EP0553366A1 (fr) | Document, en particulier un instrument de crédit capable de révéler des contrefaçons | |
| JP3039206B2 (ja) | 偽造・改竄防止策が施された印刷物 | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |