Apparatus for recording with writing fluids and drop projection

Details Apparatus for recording with writing fluids and drop projection Apparatus for recording with writing fluids and drop projection

1980-11-26

1982-07-13

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

310330, 310322, G01D 1516

Patent

active

043397638

ABSTRACT:
A recording apparatus and method is disclosed which includes a writing fluid source feeding a drop projection means which ejects a series of droplets of writing fluid from a nozzle in a discontinuous stream with sufficient velocity to traverse a substantially straight trajectory to a recording medium. The volume of each droplet is individually controlled by electrical pulses applied to the projection means from an electronic driver. A plurality of such projection means may be employed and connected to control means whereby to print or form predetermined graphical intelligence patterns on a recording medium.

REFERENCES:
patent: 2512743 (1950-06-01), Hansell
patent: 2614901 (1952-10-01), Jacob
patent: 3107630 (1963-10-01), Johnson
patent: 3108673 (1963-10-01), Green
patent: 3151543 (1964-10-01), Preisinger
patent: 3286029 (1966-11-01), Simshauser
patent: 3373438 (1968-03-01), Hochberg
patent: 3452360 (1969-06-01), Williamson
patent: 3495604 (1970-02-01), Trask
patent: 3654947 (1972-04-01), Hatch
patent: 3683212 (1972-08-01), Zoltan
patent: 3708798 (1973-01-01), Hildenbrand
patent: 3747120 (1973-07-01), Stemme
patent: 3832579 (1974-08-01), Arndt
patent: 3852773 (1974-12-01), Sicking
patent: 3946398 (1976-03-01), Kyser
patent: 3988745 (1976-10-01), Sultan
patent: 4189734 (1980-02-01), Kyser
Lee et al.; Higa--Speed Droplet Generator; IBM TDB, Vol. 15, No. 3, Aug. 1972, p. 909.

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