Capacitive load driving circuit and method, and liquid drop...

Details Capacitive load driving circuit and method, and liquid drop... Capacitive load driving circuit and method, and liquid drop...

2006-05-22

2010-06-29

Nguyen, Lam S (Department: 2853)

Incremental printing of symbolic information

Ink jet

Controller

C347S005000, C347S011000

Reexamination Certificate

active

07744182

ABSTRACT:
A capacitive load driving circuit that supplies driving voltage to a capacitive load includes a driving voltage waveform generating unit. The driving voltage waveform generating unit, at times of charging or discharging of the capacitive load, generates a driving voltage waveform in which potential applied to the capacitive load varies stepwise from a first potential to a second potential during a predetermined time period.

REFERENCES:
patent: 4393384 (1983-07-01), Kyser
patent: 6504701 (2003-01-01), Takamura et al.
patent: 2003/0234826 (2003-12-01), Hosono et al.
patent: 2006/0098036 (2006-05-01), Gardner
patent: 5-138881 (1993-06-01), None

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