Mosaic recorder with reduced mechanical coupling

Details Mosaic recorder with reduced mechanical coupling Mosaic recorder with reduced mechanical coupling

1982-03-25

1983-10-11

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

310330, G01D 1518, B41J 304

Patent

active

044096011

ABSTRACT:
A mosaic recorder for ejecting liquid droplets for punctiform representation of characters or images on a recording medium has nozzles arranged in rows in front of the recording medium, each nozzle having a piezoelectric transducer associated therewith, the individual transducers being bilaminar teeth of a comb-like piezoplate consisting of piezoceramic material and a carrier material. The piezoplate has a base by which the transducers are attached to a recording head. For reducing the mechanical coupling between the transducer teeth so that transmission of coupling forces from an activated transducer tooth to the adjacent transducer teeth is substantially eliminated, the ceramic material between the teeth in the area of the comb base is removed so as to provide a gap between adjacent teeth.

REFERENCES:
patent: 3950760 (1976-04-01), Rauch
patent: 4072959 (1978-02-01), Elmquist

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