Multicolor printing apparatus and method having vernier detectio

Details Multicolor printing apparatus and method having vernier detectio Multicolor printing apparatus and method having vernier detectio

1988-12-05

1989-10-31

Broome, H

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346 75, 346140R, 346 46, 430 44, 430293, 358 75, G01D 1800, G03G 1301, H04N 146

Patent

active

048780634

ABSTRACT:
Method and apparatus for detecting and correcting misregistration of color separation planes in a multicolor printing process include the functions of: (i) printing on a test sheet, with a first color printing subsystem, a first array of M parallel lines which are uniformly spaced N adjustment steps apart and (ii) printing on the same test sheet with a second color printing subsystem, a second array of M parallel lines, which are uniformly spaced N+1 adjustment steps apart and which are predeterminedly juxtaposed, with respect to the lines of the first line array, so that when registration is correct, base registration lines of the first and second arrays are aligned.

REFERENCES:
patent: 3987492 (1976-10-01), Kraus et al.
patent: 4675696 (1987-06-01), Suzuki

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