Method and apparatus for applying magnetic liquid droplets to a

Details Method and apparatus for applying magnetic liquid droplets to a Method and apparatus for applying magnetic liquid droplets to a

1975-05-27

1976-07-20

Miller, Jr., George H.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346 75, G01D 1518

Patent

active

039710335

ABSTRACT:
A stream of magnetic ink droplets is directed towards a recording surface and initially passes through a selector, which selects the droplets for application to the recording surface to form characters thereon. Each of the selected droplets passes through first and second magnetic deflectors in which each of the selected droplets is deflected in directions orthogonal to each other and orthogonal to the direction in which the droplets are moving toward the recording surface. Each of the selected droplets is subjected to a magnetic field gradient varying with respect to time during the passage of the droplet through one or both of the magnetic fields depending on the desired position of the droplet on the recording surface relative to the prior droplet.

REFERENCES:
patent: 3510878 (1970-05-01), Johnson, Jr.
patent: 3641588 (1972-02-01), Metz
patent: 3805274 (1974-04-01), Kashio
patent: 3864692 (1975-02-01), McDonnell et al.

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