Security coding

Details Security coding Security coding

1991-02-06

1992-11-03

Bell, Janyce

Printed matter

Having revealable concealed information, fraud preventer or...

Utilizing electromagnetic radiation

283 94, 427 7, 427145, 427160, 427288, B42D 1500

Patent

active

051601710

ABSTRACT:
A method of security coding an article which comprises applying to the article an identification mark comprising at least one colorless or weakly-colored infra-red absorbing material and an article carrying one or more identification codes applied according to the method. The method is suitable for marking documents, currency and equivalents, such as cheques, credit cards and tickets, and for the identification of copyright materials and high valued added goods, such as tapes, cassettes, books, films, cameras, perfumes, spirits and designer goods to inhibit counterfeiting.

REFERENCES:
patent: 3933094 (1976-01-01), Murphy et al.
patent: 4230344 (1980-10-01), Bell et al.
patent: 4425421 (1984-01-01), Rutges et al.
patent: 4605846 (1986-08-01), Duret et al.
patent: 4626445 (1986-12-01), Dobrowolski et al.
patent: 4627819 (1986-12-01), Burrows
patent: 4663518 (1987-05-01), Borror et al.
"Printed Documents and the Detection of Markings Thereon", Research Disclosure, No. 160 (1977) p. 80.

Affiliated with

Also associated with

Rating

Security coding does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Security coding, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Security coding will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2046367