Recorders – Record receiver deforming
Patent
1984-05-21
1985-10-01
Goldberg, E. A.
Recorders
Record receiver deforming
G01D 1518
Patent
active
045449309
ABSTRACT:
An ink jet printer transporting a print receiving medium angularly past a print head which generates a row of jet drop streams. Drops in the streams are selectively charged to either a print charge level or a catch charge level, and are subsequentlysubjected to a cyclically varying electric deflection field, normal to the row, which deflects of the drops carrying the print charge level into selected print trajectories. A static electric deflection field then separates the drops into print and catch trajectories, with the drops in the catch trajectories being intercepted by a catcher and thereby prevented from striking the print receiving medium. Drops from each jet drop stream may be deflected in a direction perpendicular to the row by the secondary field so as to be deposited at a number of positions on the print receiving medium.
REFERENCES:
patent: 3500436 (1970-03-01), Nordin
patent: 3701998 (1972-10-01), Mathis
patent: 3739395 (1973-06-01), King
patent: 3972052 (1976-07-01), Atumi et al.
patent: 4010477 (1977-03-01), Frey
patent: 4085409 (1978-04-01), Paranjpe
patent: 4122458 (1978-10-01), Paranjpe
patent: 4346387 (1982-08-01), Hertz
"Ink Jet Head" by Krause, IBM Technical Disclosure Bulletin, vol. 19, No. 8, Jan. 1977, pp. 3216, 3217.
Goldberg E. A.
Preston Gerald E.
The Mead Corporation
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