System for determining orifice interspacings of cooperative ink

Recorders – Markers and/or driving means therefor – With ink supply to marker

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400126, 400175, G01D 1516

Patent

active

047092440

ABSTRACT:
Ink jet printing apparatus of the type having a carriage that traverses a printing zone with a plurality of insertable print/cartridges includes a system for use in coordinating the transverse printing of such print/cartridges to compensate for variable transverse print/cartridge locations. The system employs an electrooptical scanner located along the transverse path of the carriage for signalling the passage of a print/cartridge feature(s) that are indicative precisely of an instantaneous horizontal position, vis-a-vis the scanner, of the orifice array of a passing print/cartridge; a carriage detector for periodically sensing and signalling the successive instantaneous positions of the carriage during its traversing movement; and means, responsive to signal inputs from the scanner and the carriage detector, for computing and storing horizontal location data for each print/cartridge orifice array.

REFERENCES:
patent: 4364067 (1982-12-01), Koto
patent: 4500895 (1985-02-01), Buck
patent: 4544931 (1985-10-01), Watanabe et al.
patent: 4571599 (1986-02-01), Rezanka
patent: 4628334 (1986-12-01), Dagna

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