Recording device functioning with fluid droplets

Details Recording device functioning with fluid droplets Recording device functioning with fluid droplets

1984-02-08

1986-01-14

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

310330, G01D 1518

Patent

active

045648514

ABSTRACT:
An improved recording device, which has a row of nozzles with each nozzle having an inlet opening and an outlet opening and a piezoelectric transducer arranged adjacent the inlet opening for forcing a drop of recording fluid from the outlet opening onto a recording medium in response to a voltage change on the transducer, characterized by the individual transducers being formed as teeth of a comb-like piezoplate that is a bilaminar plate formed of a piezoceramic layer and a carrier layer and has a reinforcing layer in the area of a spine of the comb which is shared by all teeth of the plate.

REFERENCES:
patent: 3622815 (1971-11-01), Schafft
patent: 3949247 (1976-04-01), Fenner
patent: 4072959 (1978-02-01), Elmquist
patent: 4409601 (1983-10-01), Nilsson
patent: 4438441 (1984-03-01), Bolmgren

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