Claims
- 1. A method of producing identification documents having identification information in the form of letters, numbers, images and combinations thereof comprising:
- covering a base card with a visible security pattern in areas to be protected;
- applying the identification information to said base card through said security pattern by means of a laser recorder, and
- controlling the radiation of said laser recorder during application of said identification information to avoid visibly changing said visible security pattern.
- 2. The method of claim 1, wherein said security pattern is printed on said base card.
- 3. The method of claim 1, wherein said security pattern is printed over the entire face of said base card.
- 4. The method of claim 1, wherein said printed security pattern covers only partial areas of said base card.
- 5. The method of claim 2 wherein said security pattern is printed in a continuous pattern.
- 6. The method of claim 3 wherein said security pattern is printed in a continuous pattern.
- 7. The method of claim 4 wherein said security pattern is printed in a continous pattern.
- 8. The method of claim 2 wherein said security pattern is printed in a guilloche pattern.
- 9. The method of claim 3 wherein said security pattern is printed in a guilloche pattern.
- 10. The method of claim 4 wherein said security pattern is printed in a guilloche pattern.
Priority Claims (1)
Number |
Date |
Country |
Kind |
3048735 |
Dec 1980 |
DEX |
|
Parent Case Info
This is a divisional of application Ser. No. 636,617, filed Aug. 1, 1984 now U.S. Pat. No. 4,629,215 which was a continuation of applicatiion Ser. No. 330,816 filed Dec. 15, 1981, now abandoned, the disclosures of which are incorporated herein.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
3545380 |
Comegys et al. |
Dec 1970 |
|
4307899 |
Hoppe |
Dec 1981 |
|
Foreign Referenced Citations (2)
Number |
Date |
Country |
2907004 |
Aug 1980 |
DEX |
2044675 |
Oct 1980 |
GBX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
636617 |
Aug 1984 |
|
Continuations (1)
|
Number |
Date |
Country |
Parent |
330816 |
Dec 1981 |
|