FI79671C - Dokument, foerfarande foer foerhindrande av ljuskopiering av dokument och foer ljuskopiering otillaempligt papper. - Google Patents
Dokument, foerfarande foer foerhindrande av ljuskopiering av dokument och foer ljuskopiering otillaempligt papper. Download PDFInfo
- Publication number
- FI79671C FI79671C FI831891A FI831891A FI79671C FI 79671 C FI79671 C FI 79671C FI 831891 A FI831891 A FI 831891A FI 831891 A FI831891 A FI 831891A FI 79671 C FI79671 C FI 79671C
- Authority
- FI
- Finland
- Prior art keywords
- document
- nanometers
- wavelength
- spectral response
- light
- Prior art date
Links
- 230000004044 response Effects 0.000 claims abstract description 46
- 230000003595 spectral effect Effects 0.000 claims abstract description 45
- 238000000034 method Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 8
- YLNDNABNWASMFD-UHFFFAOYSA-N 4-[(1,3-dimethylimidazol-1-ium-2-yl)diazenyl]-n,n-dimethylaniline Chemical compound C1=CC(N(C)C)=CC=C1N=NC1=[N+](C)C=CN1C YLNDNABNWASMFD-UHFFFAOYSA-N 0.000 description 5
- 230000011514 reflex Effects 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- 238000000411 transmission spectrum Methods 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 235000012745 brilliant blue FCF Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000035755 proliferation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Paper (AREA)
- Credit Cards Or The Like (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Cleaning In Electrography (AREA)
- Printing Methods (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Medicines Containing Plant Substances (AREA)
- Saccharide Compounds (AREA)
- Inspection Of Paper Currency And Valuable Securities (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI884161A FI80638C (fi) | 1983-03-16 | 1988-09-09 | Dokument, foerfarande foer foerhindrande av fotokopiering av dokumentet och foer fotokopiering olaempligt papper. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/475,791 US4632429A (en) | 1981-05-25 | 1983-03-16 | Method of rendering documents resistant to photocopying and anti-copying paper therefor |
| US47579183 | 1983-03-16 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI831891A0 FI831891A0 (fi) | 1983-05-26 |
| FI831891L FI831891L (fi) | 1984-09-17 |
| FI79671B FI79671B (fi) | 1989-10-31 |
| FI79671C true FI79671C (fi) | 1990-02-12 |
Family
ID=23889168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI831891A FI79671C (fi) | 1983-03-16 | 1983-05-26 | Dokument, foerfarande foer foerhindrande av ljuskopiering av dokument och foer ljuskopiering otillaempligt papper. |
Country Status (12)
| Country | Link |
|---|---|
| EP (1) | EP0119344B1 (de) |
| JP (1) | JPS59174870A (de) |
| AT (1) | ATE32274T1 (de) |
| AU (1) | AU560208B2 (de) |
| CA (1) | CA1214805A (de) |
| DE (1) | DE3375527D1 (de) |
| DK (1) | DK243283A (de) |
| FI (1) | FI79671C (de) |
| HK (1) | HK98688A (de) |
| NO (1) | NO171099C (de) |
| NZ (1) | NZ205794A (de) |
| ZA (1) | ZA833659B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4951163B2 (ja) * | 2008-07-03 | 2012-06-13 | 美津濃株式会社 | スポーツ手袋 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3852088A (en) * | 1972-03-20 | 1974-12-03 | Ibm | Security document system and method |
| US3887742A (en) * | 1972-04-13 | 1975-06-03 | Richard E Reinnagel | Copy resistant documents |
| FR2247067A5 (en) * | 1973-10-04 | 1975-05-02 | Arjomari Prioux | Non-photocopiable security document - allows markings to be read by eye but reflects uniform light when illuminated |
| JPS55100587A (en) * | 1979-01-29 | 1980-07-31 | Toppan Printing Co Ltd | Image forming material |
| GB2096055B (en) * | 1979-09-17 | 1985-02-27 | Auken John A Van | Anti-copying systems for copying machines |
-
1983
- 1983-05-20 ZA ZA833659A patent/ZA833659B/xx unknown
- 1983-05-26 FI FI831891A patent/FI79671C/fi not_active IP Right Cessation
- 1983-05-27 NO NO831896A patent/NO171099C/no unknown
- 1983-05-30 DK DK243283A patent/DK243283A/da not_active Application Discontinuation
- 1983-08-09 CA CA000434210A patent/CA1214805A/en not_active Expired
- 1983-08-17 EP EP83304762A patent/EP0119344B1/de not_active Expired
- 1983-08-17 DE DE8383304762T patent/DE3375527D1/de not_active Expired
- 1983-08-17 AT AT83304762T patent/ATE32274T1/de not_active IP Right Cessation
- 1983-08-18 AU AU18110/83A patent/AU560208B2/en not_active Ceased
- 1983-08-22 JP JP58151755A patent/JPS59174870A/ja active Granted
- 1983-09-28 NZ NZ205794A patent/NZ205794A/en unknown
-
1988
- 1988-12-08 HK HK986/88A patent/HK98688A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DK243283A (da) | 1984-09-17 |
| ZA833659B (en) | 1984-10-31 |
| AU1811083A (en) | 1984-09-20 |
| ATE32274T1 (de) | 1988-02-15 |
| HK98688A (en) | 1988-12-16 |
| NZ205794A (en) | 1987-02-20 |
| AU560208B2 (en) | 1987-04-02 |
| FI831891L (fi) | 1984-09-17 |
| JPH0513318B2 (de) | 1993-02-22 |
| DK243283D0 (da) | 1983-05-30 |
| NO831896L (no) | 1984-09-17 |
| NO171099B (no) | 1992-10-19 |
| FI831891A0 (fi) | 1983-05-26 |
| FI79671B (fi) | 1989-10-31 |
| EP0119344A1 (de) | 1984-09-26 |
| CA1214805A (en) | 1986-12-02 |
| NO171099C (no) | 1993-01-27 |
| DE3375527D1 (en) | 1988-03-03 |
| EP0119344B1 (de) | 1988-01-27 |
| JPS59174870A (ja) | 1984-10-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: VOTICKY, MICHAEL P. Owner name: GARDNER, NORMAN A. |