Invention Grant
- Patent Title: Color control pattern for the optical measurement of colors printed on a sheet or web substrate by means of a multicolor printing press and uses thereof
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Application No.: US16275188Application Date: 2019-02-13
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Publication No.: US10434760B2Publication Date: 2019-10-08
- Inventor: Thomas Türke , Harald Heinrich Willeke , Jean-Baptiste Lanternier
- Applicant: KBA-NOTASYS SA
- Applicant Address: CH Lausanne
- Assignee: KBA-NOTASYS SA
- Current Assignee: KBA-NOTASYS SA
- Current Assignee Address: CH Lausanne
- Agency: Nixon & Vanderhye P.C.
- Priority: EP10187099 20101011
- Main IPC: B41F9/02
- IPC: B41F9/02 ; B41F11/02 ; B41F33/02 ; B41F33/00

Abstract:
There is described a color control pattern (CP) for the optical measurement of colors printed on a sheet or web substrate (S) by means of a multicolor printing press, especially by means of a multicolor security printing press, which substrate (S) exhibits an effective printed region (EF) having a multicolor printed image comprising a plurality of juxtaposed colored areas (A-H) printed with a corresponding plurality of printing inks of different colors, wherein the color control pattern (CP) is located in a margin portion (Im) of the substrate (S) next to the effective printed region (EF). The color control pattern (CP) comprises one or more color control strips (a-d) extending transversely to a direction of transport (T) of the substrate (S), each color control strip (a-d) comprising a plurality of distinct color control fields (CF, CFA to CFH) consisting of printed fields of each relevant printing ink that is printed in the effective printed region (EF). The color control fields (CF, CFA to CFH) are coordinated to actual application of the relevant printing inks in the effective printed region (EF) and are positioned transversely to the direction of transport (T) of the substrate (S) at locations corresponding to actual positions where the relevant printing inks are applied in the effective printed region (EF).
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