Color ink jet printing apparatus

Details Color ink jet printing apparatus Color ink jet printing apparatus

1978-05-31

1979-12-11

Hartary, Joseph W.

Recorders

Record receiver deforming

346 46, 358 75, G01G 1518

Patent

active

041785975

ABSTRACT:
First, second and third ink ejectors eject ink of three primary colors in superposition onto a sheet of paper being moved relative thereto in response to first, second and third electrical color signals respectively. Circuit means are provided to sense initiation and termination of the signals. Upon simultaneous initiation of one of the signals and termination of another of the signals, the circuit means delays ink ejection from the ejector corresponding to the signal which was initiated for a predetermined length of time. This prevents color mixing at the boundary of the colors which would produce an erroneous color.

REFERENCES:
patent: 1709926 (1929-04-01), Weaver
patent: 3476874 (1969-11-01), Loughren
patent: 3956756 (1976-05-01), Paton

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