CA1124277A - Documents a l'epreuve de la contrefacon - Google Patents
Documents a l'epreuve de la contrefaconInfo
- Publication number
- CA1124277A CA1124277A CA331,026A CA331026A CA1124277A CA 1124277 A CA1124277 A CA 1124277A CA 331026 A CA331026 A CA 331026A CA 1124277 A CA1124277 A CA 1124277A
- Authority
- CA
- Canada
- Prior art keywords
- background
- invalidating
- legible
- per inch
- lines per
- 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
- 238000007639 printing Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 6
- 238000007645 offset printing Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims 1
- 239000011800 void material Substances 0.000 description 14
- 230000033458 reproduction Effects 0.000 description 4
- BGRDGMRNKXEXQD-UHFFFAOYSA-N Maleic hydrazide Chemical compound OC1=CC=C(O)N=N1 BGRDGMRNKXEXQD-UHFFFAOYSA-N 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
- 235000009470 Theobroma cacao Nutrition 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 244000240602 cacao Species 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
Landscapes
- Printing Methods (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA331,026A CA1124277A (fr) | 1979-07-03 | 1979-07-03 | Documents a l'epreuve de la contrefacon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA331,026A CA1124277A (fr) | 1979-07-03 | 1979-07-03 | Documents a l'epreuve de la contrefacon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1124277A true CA1124277A (fr) | 1982-05-25 |
Family
ID=4114604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA331,026A Expired CA1124277A (fr) | 1979-07-03 | 1979-07-03 | Documents a l'epreuve de la contrefacon |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1124277A (fr) |
-
1979
- 1979-07-03 CA CA331,026A patent/CA1124277A/fr not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |