Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2005-01-18
2005-01-18
Feggins, K. (Department: 2861)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
Reexamination Certificate
active
06843555
ABSTRACT:
An continuous ink jet printer projects a stream of evenly spaced ink drops toward a substrate and controls placement of the ink drops on the substrate by selectively charging the individual ink drops and passing the charged ink drops through an electric field to control placement of said charged ink drops on a substrate. The printer may be used to print either single or multiple lines of print in a single stroke. A stroke consists of a single column from all lines and can have adjacent drops printed in alternating lines to reduce drop interaction. Each line of print in the stroke having N virtual print positions, at least some of which are being divided into pairs of adjacent positions. Each pair of adjacent positions has a first print position and a second print position. The printer includes a controller having a plurality of first and second look-up tables, each of which is associated with a different one of said pairs of adjacent print positions. Each of the look-up tables contains a plurality of charge values which correspond to the charge to be applied to a print drop in one of the first or second print positions, respectively, as a function of the charges of each of a predetermined number of drops that are proximate to the print drop in the drop stream. The adjacent drops may include a predetermined number of history drops that precede the print drop in the stream and a predetermined number of future drops that follow the print drop in the stream. The controller determines the charge to be applied to drops and produces a control signal responsive thereto by (1) retrieving a charge value from one of the first look-up tables if the drop is to be printed in one of the first print positions, or (2) retrieving a charge value from one of the second look-up tables if the drop is to be printed in one of the second print drop positions. A charging tunnel receives the control signal from the controller and charges the drops to the determined charges in response thereto.
REFERENCES:
patent: 3298030 (1967-01-01), Lewis et al.
patent: 3828354 (1974-08-01), Hilton
patent: 3992712 (1976-11-01), Dill et al.
patent: 4115787 (1978-09-01), Fujimoto et al.
patent: 4198642 (1980-04-01), Gamblin
patent: 4216480 (1980-08-01), Buehner et al.
patent: 4303925 (1981-12-01), Harbour et al.
patent: 4322732 (1982-03-01), Furukawa et al.
patent: 4395716 (1983-07-01), Crean et al.
patent: 4439775 (1984-03-01), Johnson
patent: 4472722 (1984-09-01), Ebi
patent: 4490729 (1984-12-01), Clark et al.
patent: 4491852 (1985-01-01), Jinnai
patent: 4525721 (1985-06-01), Crean
patent: 4613871 (1986-09-01), Katerberg
patent: 4631557 (1986-12-01), Cooke et al.
patent: 4670761 (1987-06-01), Yoshino et al.
patent: 4688049 (1987-08-01), Doyle et al.
patent: 4845512 (1989-07-01), Arway
patent: 5390290 (1995-02-01), Hayashi et al.
patent: 5499321 (1996-03-01), Hayashi et al.
patent: 6109739 (2000-08-01), Stamer et al.
patent: 6280023 (2001-08-01), Ufkes
patent: 0 551 763 (1993-07-01), None
patent: 0 690 411 (1996-01-01), None
patent: 0 741 041 (1996-11-01), None
patent: WO 9310977 (1993-06-01), None
patent: WO 9706009 (1997-02-01), None
Fickling Andrew E.
George Henry F.
Shrivastava Dilip K.
Feggins K.
McAndrews Held & Malloy Ltd.
Videojet Technologies Inc.
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