EP0385171A3 - Procédé de caractérisation d'impressions originales - Google Patents
Procédé de caractérisation d'impressions originales Download PDFInfo
- Publication number
- EP0385171A3 EP0385171A3 EP19900102718 EP90102718A EP0385171A3 EP 0385171 A3 EP0385171 A3 EP 0385171A3 EP 19900102718 EP19900102718 EP 19900102718 EP 90102718 A EP90102718 A EP 90102718A EP 0385171 A3 EP0385171 A3 EP 0385171A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- characterisation
- original
- original prints
- prints
- reproducible
- 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.)
- Withdrawn
Links
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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Credit Cards Or The Like (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3906944 | 1989-03-02 | ||
DE19893906944 DE3906944A1 (de) | 1989-03-02 | 1989-03-02 | Verfahren zur kennzeichnung von originaldrucken |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0385171A2 EP0385171A2 (fr) | 1990-09-05 |
EP0385171A3 true EP0385171A3 (fr) | 1990-11-28 |
Family
ID=6375514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19900102718 Withdrawn EP0385171A3 (fr) | 1989-03-02 | 1990-02-12 | Procédé de caractérisation d'impressions originales |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0385171A3 (fr) |
DE (1) | DE3906944A1 (fr) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2162456A (en) * | 1936-12-04 | 1939-06-13 | Kalle & Co Ag | Photographic printing material |
US3784289A (en) * | 1969-09-10 | 1974-01-08 | American Bank Note Co | Method and apparatus for hiding and viewing halftone images |
GB2139955A (en) * | 1983-05-20 | 1984-11-21 | Gen Electric Plc | Preventing unauthorised copying |
FR2552023A1 (fr) * | 1983-09-19 | 1985-03-22 | Aussedat Rey | Procede pour realiser un document original non reproductible avec les appareils de photocopie usuels, supports graphiques pour la mise en oeuvre de ce procede, et documents realises suivant ce procede |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH607170A5 (fr) * | 1976-10-28 | 1978-11-30 | Sodeco Compteurs De Geneve | |
FR2385161A1 (fr) * | 1977-02-08 | 1978-10-20 | Burroughs Corp | Moyen de protection de document et document ainsi realise |
US4265469A (en) * | 1977-05-18 | 1981-05-05 | Burroughs Corporation | Protected document and method of making same |
JPS5551591A (en) * | 1978-10-09 | 1980-04-15 | Hitachi Ltd | Printing of fluorescent mark |
CH645308A5 (en) * | 1980-04-01 | 1984-09-28 | Orell Fuessli Graph Betr Ag | Graphical arrangement on a substrate to identify copies thereof |
DE3048734A1 (de) * | 1980-12-23 | 1982-07-15 | GAO Gesellschaft für Automation und Organisation mbH, 8000 München | Sicherheitspapier mit die echtheitsmerkmale schuetzenden tarnstoffe |
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 |
DE3701329A1 (de) * | 1987-01-19 | 1988-07-28 | Schule Gmbh F H | Verfahren und vorrichtung zum zuordnen von druckschriftenstapeln zu unterschiedlichen zielen eines verzweigten foerdersystems |
-
1989
- 1989-03-02 DE DE19893906944 patent/DE3906944A1/de not_active Ceased
-
1990
- 1990-02-12 EP EP19900102718 patent/EP0385171A3/fr not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2162456A (en) * | 1936-12-04 | 1939-06-13 | Kalle & Co Ag | Photographic printing material |
US3784289A (en) * | 1969-09-10 | 1974-01-08 | American Bank Note Co | Method and apparatus for hiding and viewing halftone images |
GB2139955A (en) * | 1983-05-20 | 1984-11-21 | Gen Electric Plc | Preventing unauthorised copying |
FR2552023A1 (fr) * | 1983-09-19 | 1985-03-22 | Aussedat Rey | Procede pour realiser un document original non reproductible avec les appareils de photocopie usuels, supports graphiques pour la mise en oeuvre de ce procede, et documents realises suivant ce procede |
Also Published As
Publication number | Publication date |
---|---|
DE3906944A1 (de) | 1990-09-13 |
EP0385171A2 (fr) | 1990-09-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): CH DE FR GB LI |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): CH DE FR GB LI |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19910529 |