Method of generating a security design with the aid of electroni

Details Method of generating a security design with the aid of electroni Method of generating a security design with the aid of electroni

1995-09-27

1998-06-30

Bell, Janyce

Printed matter

Having revealable concealed information, fraud preventer or...

Utilizing electromagnetic radiation

427 7, 427286, 427288, 4273855, B42B 1500, B41D 314

Patent

active

057722498

ABSTRACT:
A net of parallel lines is generated with the aid of a computer. The ratio of the width to the spacing of two consecutive lines is equal to r.sub.o. The spacing and width of the lines are successively modulated such that their ratio is equal to r.sub.o. Subsequently, the straight lines can if so chosen be transformed into differently shaped lines or the width of the strokes can be altered in order to reproduce geometrical or artistic images.

REFERENCES:
patent: 1002600 (1911-09-01), Morris et al.
patent: 1390959 (1921-09-01), Longmesser
patent: 1506144 (1924-08-01), Weeks

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