Droplet ejection head driving circuit and method, and...

Details Droplet ejection head driving circuit and method, and... Droplet ejection head driving circuit and method, and...

2006-08-03

2009-08-11

Stephens, Juanita D (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S068000

Reexamination Certificate

active

07571989

ABSTRACT:
A driving circuit of a droplet ejection head which, by supplying analog driving signals to driving elements, ejects droplets from nozzles which are provided in correspondence with the driving elements. The driving circuit includes a driving signal generation unit, a pulse modulation unit, a switching signal generation unit, an amplification unit and a frequency-setting unit. The driving signal generation unit selectively outputs a first and a second analog driving signal. The pulse modulation unit pulse-modulates the analog driving signal and outputs a digital signal. The switching signal generation unit generates a switching signal. The amplification unit amplifies the digital signal by switching in accordance with the switching signal, and supplies the amplified digital signal to the driving elements. The frequency-setting unit sets a switching frequency of the switching signal in accordance with a frequency selection signal, which corresponds to the analog driving signal.

REFERENCES:
patent: 6334668 (2002-01-01), Isamoto

Affiliated with

Also associated with

Rating

Droplet ejection head driving circuit and method, and... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Droplet ejection head driving circuit and method, and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Droplet ejection head driving circuit and method, and... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4063742