BE743149A - - Google Patents
Info
- Publication number
- BE743149A BE743149A BE743149DA BE743149A BE 743149 A BE743149 A BE 743149A BE 743149D A BE743149D A BE 743149DA BE 743149 A BE743149 A BE 743149A
- Authority
- BE
- Belgium
Links
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
-
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G13/00—Electrographic processes using a charge pattern
- G03G13/04—Exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G7/00—Selection of materials for use in image-receiving members, i.e. for reversal by physical contact; Manufacture thereof
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Developing Agents For Electrophotography (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Printing Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US79874869A | 1969-02-12 | 1969-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE743149A true BE743149A (US20070244113A1-20071018-C00087.png) | 1970-05-14 |
Family
ID=25174164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE743149D BE743149A (US20070244113A1-20071018-C00087.png) | 1969-02-12 | 1969-12-15 |
Country Status (6)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3852088A (en) * | 1972-03-20 | 1974-12-03 | Ibm | Security document system and method |
| US3807852A (en) * | 1973-01-15 | 1974-04-30 | Unitax Inc | Forms which are intended to be reproduced on a copying machine |
| US3995887A (en) * | 1975-04-07 | 1976-12-07 | E. D. Bullard Company | Method and system for control of multiple inventories |
| US4227719A (en) * | 1978-09-20 | 1980-10-14 | Burroughs Corporation | Protection system for documents |
| FR2503890A1 (fr) * | 1979-09-17 | 1982-10-15 | Auken John Van | Systeme anti-copie a plusieurs couleurs pour des machines de copie xerographiques et electrostatiques |
| US20050142468A1 (en) * | 2003-12-24 | 2005-06-30 | Eastman Kodak Company | Printing system, process, and product with a variable pantograph |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1216695A (en) * | 1915-02-02 | 1917-02-20 | Robert John | Method of taking moving pictures. |
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1969
- 1969-02-12 US US798748A patent/US3603681A/en not_active Expired - Lifetime
- 1969-12-15 BE BE743149D patent/BE743149A/xx unknown
- 1969-12-29 GB GB63045/69A patent/GB1268130A/en not_active Expired
-
1970
- 1970-02-03 DE DE19702004868 patent/DE2004868A1/de not_active Ceased
- 1970-02-04 FR FR7003964A patent/FR2033955A5/fr not_active Expired
- 1970-02-11 SE SE01723/70A patent/SE358486B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE358486B (US20070244113A1-20071018-C00087.png) | 1973-07-30 |
| DE2004868A1 (de) | 1970-09-24 |
| US3603681A (en) | 1971-09-07 |
| GB1268130A (en) | 1972-03-22 |
| FR2033955A5 (US20070244113A1-20071018-C00087.png) | 1970-12-04 |
