Liquid ejection head and image forming apparatus

Details Liquid ejection head and image forming apparatus Liquid ejection head and image forming apparatus

2007-03-12

2010-10-26

Lepisto, Ryan (Department: 2883)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S020000, C347S040000, C347S044000, C347S047000, C347S068000

Reexamination Certificate

active

07819502

ABSTRACT:
The liquid ejection head includes: a plurality of pressure chambers into which liquid is filled; a plurality of nozzles which are connected to the pressure chambers; a common flow channel which supplies the liquid to the pressure chambers; a plurality of liquid ejection devices which cause the liquid inside the pressure chambers to be ejected through the nozzles; a selector circuit which selects one of the liquid ejection devices to be a destination of a drive signal; a first wiring substrate which transmits the drive signal outputted from the selector circuit to be applied to the one of the liquid ejection devices; and a second wiring substrate which transmits the drive signal to be inputted to the selector circuit, wherein the first wiring substrate is connected to a first face of a member constituting the selector circuit, and the second wiring substrate is connected to a second face of the member constituting the selector circuit, the first and second faces being different to each other.

REFERENCES:
patent: 5889539 (1999-03-01), Kamoi et al.
patent: 6341845 (2002-01-01), Scheffelin et al.
patent: 7419237 (2008-09-01), Suzuki
patent: 7438389 (2008-10-01), Katayama
patent: 9-314831 (1997-12-01), None
patent: 9-314833 (1997-12-01), None

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