Image recording apparatus

Details Image recording apparatus Image recording apparatus

1979-11-15

1981-03-24

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

101DIG13, 346 742, G01D 1516

Patent

active

042583713

ABSTRACT:
An image recording apparatus comprising an array of styli regularly electrically connected at intervals of an integer of styli and an array of opposite electrodes each of which is disposed opposite to a plurality of styli, and either the styli or the opposite electrodes are made of a magnetic material. A protuberance of a magnetofluidic material, which is called magnetic ink herein, is formed on the tip of each stylus or each opposite electrode of magnetic material. A pluse signal having a constant frequency is applied in dot sequential fashion to one of the stylus array and the opposite electrode array, and a signal corresponding to an image is applied to the other, so that the protuberances of the magnetic ink formed on the selected styli or opposite electrodes in the stylus array and opposite electrode array applied with the two signals simultaneously fly toward a recording surface to obtain a desired image thereon.

REFERENCES:
patent: 3787879 (1974-01-01), Ichioka
patent: 4047185 (1977-09-01), Phillips
patent: 4166277 (1979-08-01), Cield

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