Liquid delivery head, liquid delivery device, and liquid...

Details Liquid delivery head, liquid delivery device, and liquid... Liquid delivery head, liquid delivery device, and liquid...

2007-07-10

2007-07-10

Meier, Stephen (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

Reexamination Certificate

active

10512755

ABSTRACT:
The present invention is applied to a printer that discharges ink drops by driving, for example, heater elements. In the case where a plurality of variable pressure generator elements are driven to control the direction in which the drop is discharged, the present invention makes it possible to lay out drive circuits and so on efficiently so as to arrange nozzles in a high density. According to the present invention, in the case where a plurality of variable pressure generator elements15A and15B are provided for a liquid chamber, and are controlled to control the direction in which the drop is discharged, a sub-control circuit31varies the balance between the variable pressure generator elements15A and15B driven by a main control circuit27. Since the current concerning the sub-control circuit31is small, the wiring pattern concerning the sub-control circuit31is formed in a narrow width.

REFERENCES:
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patent: 2002/0126181 (2002-09-01), Miyamoto et al.
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patent: 08048034 (1996-02-01), None
patent: 2000-127399 (2000-05-01), None

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