ATE107234T1 - Verfahren zum erkennen von kopien. - Google Patents
Verfahren zum erkennen von kopien.Info
- Publication number
- ATE107234T1 ATE107234T1 AT90114925T AT90114925T ATE107234T1 AT E107234 T1 ATE107234 T1 AT E107234T1 AT 90114925 T AT90114925 T AT 90114925T AT 90114925 T AT90114925 T AT 90114925T AT E107234 T1 ATE107234 T1 AT E107234T1
- Authority
- AT
- Austria
- Prior art keywords
- colour
- orange
- fluorescent
- shade
- mid
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
- G03C5/08—Photoprinting; Processes and means for preventing photoprinting
-
- 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
- B41M3/144—Security printing using fluorescent, luminescent or iridescent effects
-
- 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
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Printing Methods (AREA)
- Cleaning In Electrography (AREA)
- Credit Cards Or The Like (AREA)
- Holo Graphy (AREA)
- Photoreceptors In Electrophotography (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3938603A DE3938603A1 (de) | 1989-11-21 | 1989-11-21 | Verfahren zum erkennen von kopien |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE107234T1 true ATE107234T1 (de) | 1994-07-15 |
Family
ID=6393928
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT90114925T ATE107234T1 (de) | 1989-11-21 | 1990-08-03 | Verfahren zum erkennen von kopien. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0428828B1 (de) |
AT (1) | ATE107234T1 (de) |
DE (2) | DE3938603A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IL99930A0 (en) * | 1991-11-01 | 1992-08-18 | Egged Israel Transport Coopera | Low contrast color combination for preventing copying via color photocopying |
DE4220344C2 (de) * | 1992-06-24 | 1994-06-23 | Trautwein Gmbh & Co | Gegen Vervielfältigung und/oder mißbräuchliche Entfernung und Wiederverwendung geschützte Plakette |
DE4236143A1 (de) * | 1992-10-26 | 1994-04-28 | Bayer Ag | Gegen unbefugtes Kopieren geschützte Substrate und Verfahren zu ihrer Herstellung |
EP0603117B1 (de) * | 1992-12-03 | 1996-12-27 | Ciba-Geigy Ag | Verfahren zur Herstellung fälschungssicherer farbiger Druckerzeugnisse |
IT1275363B (it) * | 1994-07-21 | 1997-08-05 | Alagao Ag | Procedimento per la protezione anticontraffzione di documenti realizzati su supporti di carta o di altri materiali opportuni |
DE29501488U1 (de) * | 1995-01-31 | 1995-03-30 | J. Granderath GmbH, 40217 Düsseldorf | Fälschungssicherer Fahrausweis |
DE29513468U1 (de) * | 1995-08-22 | 1997-01-02 | Hummel GmbH & Co., 71106 Magstadt | Fälschungssicheres Dokument |
GB9719459D0 (en) * | 1997-09-12 | 1997-11-12 | Bank Of England | Printed articles |
GB2370349A (en) * | 2000-12-19 | 2002-06-26 | Innovision Res And Technology | Information providing apparatus such as a question and answer game |
GB0228303D0 (en) | 2002-12-04 | 2003-01-08 | Rue De Int Ltd | Security device and method |
EP2730426B1 (de) | 2004-10-15 | 2018-03-07 | YOSHIDA, Kenji | Druckeinheit |
US7520601B2 (en) | 2004-10-29 | 2009-04-21 | Agfa Graphics, N.V. | Printing of radiation curable inks into a radiation curable liquid layer |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3713861A (en) * | 1969-12-04 | 1973-01-30 | Xerox Corp | Inhibitor device |
US4277514A (en) * | 1978-03-07 | 1981-07-07 | Toppan Printing Co., Ltd. | Forgery resistant document with colored areas and method for thwarting reproduction of same |
DE2910176A1 (de) * | 1979-03-15 | 1980-09-25 | Guenter Alt | Verfahren und vorrichtung zur kennzeichnung von druckprodukten |
JPS58184967A (ja) * | 1982-04-23 | 1983-10-28 | Ricoh Co Ltd | 機密文書複製防止方法 |
GB2139955B (en) * | 1983-05-20 | 1987-03-04 | Gen Electric Plc | Preventing unauthorised copying |
-
1989
- 1989-11-21 DE DE3938603A patent/DE3938603A1/de not_active Withdrawn
-
1990
- 1990-08-03 EP EP90114925A patent/EP0428828B1/de not_active Revoked
- 1990-08-03 DE DE59006135T patent/DE59006135D1/de not_active Revoked
- 1990-08-03 AT AT90114925T patent/ATE107234T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE59006135D1 (de) | 1994-07-21 |
EP0428828A3 (en) | 1991-08-14 |
EP0428828B1 (de) | 1994-06-15 |
DE3938603A1 (de) | 1991-05-23 |
EP0428828A2 (de) | 1991-05-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
REN | Ceased due to non-payment of the annual fee | ||
RZN | Patent revoked |