Recorders – Record receiver deforming
Patent
1975-08-20
1976-07-27
Miller, Jr., George H.
Recorders
Record receiver deforming
346 1, G01D 1518, G01D 900
Patent
active
039720535
ABSTRACT:
A signal responsive printer selectively deposits drops of liquid ink onto a moving sheet of ordinary paper. Columns of monodisperse drops traverse a linear array of stationary selective structures consisting of alternating signal and transfer members. The signal members are directly signal responsive. The transfer members switch between adjacent signal members synchronously with the traversing ink drop columns assuring that when an ink drop column is proximate to a junction gap between the selective structures, both adjacent members are at the same selection intensity level.
In one embodiment, the selective structures are deflecting electrodes through which columns of uniformly charged ink drops pass. When an ink drop column is proximate to a junction gap, adjacent signal and transfer deflecting electrodes are at the same selection intensity level which is an intensity level of an ink drop deflecting electrostatic field. In another embodiment, a signal responsive electrostatic charge is induced on forming ink drops by signal and transfer charging electrodes. In yet another embodiment, a signal responsive electrostatic charge can prevent deposition of ink drops by dispersing an ink jet. In still yet another embodiment, a signal responsive magnetic polarization is induced in passing drops of magnetic ink by signal or transfer electromagnets.
REFERENCES:
patent: 3298030 (1967-01-01), Lewis et al.
patent: 3465351 (1969-09-01), Keur et al.
patent: 3823409 (1974-07-01), Carrell
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