Patent · US Expired

Process and control mechanism for avoiding register errors

US6925278B2 · kind B2 · utility

2Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 16, 2004
Grant dateAug 2, 2005
Priority date
Expiry dateApr 16, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/0158
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Ensuring proper compass and register positioning during printing. Marks are imprinted on a carrying element and at least one sensor is present to detect the marks on the carrying element and a second sensor detects a seam on the carrying element. A control mechanism receives mark values from the first sensor and seam values from the second sensor, and discarding mark values when the seam is detected.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.