Liquid ink printer having apparent 1XN addressability

Details Liquid ink printer having apparent 1XN addressability Liquid ink printer having apparent 1XN addressability

1995-10-06

1998-03-24

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 9, B41J 2145, B41J 215, B41J 2938

Patent

active

057318271

ABSTRACT:
A liquid ink printing apparatus printing images includes a printhead having a plurality of nozzles wherein a single power pulse causes two or more nozzles to eject ink simultaneously. The printhead includes an ink directing element having a plurality of ink conduits coupled to an array of spaced nozzles and a transducer element aligned with and mated to the ink directing element. The transducers are spaced a distance apart and each transducer is substantially aligned with at least two or more of the nozzles. The printhead is stepped in a direction transverse to the array of spaced nozzles a stepping distance approximately equal to or less than the distance between transducers. The ink directing element includes a silicon wafer having etched ink conduits or channels holding ink for ejection through the nozzles connected thereto. Each transducer is cooperatively associated with one channel having a fork member coupled to two or more nozzles or is cooperatively associated with two or more channels wherein each channel is connected to one or more nozzles.

REFERENCES:
patent: 4714934 (1987-12-01), Rogers
patent: 4901093 (1990-02-01), Ruggiero et al.
patent: 5258774 (1993-11-01), Rogers
patent: 5270728 (1993-12-01), Lund et al.
patent: 5412410 (1995-05-01), Rezanka
Snyder, Roger R.D., "A Segemented Drop Generator", Xerox Disclosure Journal, vol. 9, No. 2, Mar./Apr. '84, pp. 125-127.

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