Pressure pulse drop ejector apparatus

Details Pressure pulse drop ejector apparatus Pressure pulse drop ejector apparatus

1980-10-03

1983-01-04

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1516

Patent

active

043674780

ABSTRACT:
A pulsed liquid droplet ejecting apparatus wherein a rectangular piezoelectric transducer is arranged abaxially to an ink containing channel. The edge of the transducer opposite the channel is held fixed so that on excitation of the transducer by an electrical pulse, the transducer extends towards the channel compressing it and ejecting a droplet therefrom.

REFERENCES:
patent: 3452360 (1969-06-01), Williamson
patent: 3832579 (1974-08-01), Arndt
patent: 4072959 (1978-02-01), Elmquist
patent: 4189734 (1980-02-01), Kyser

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