Method and apparatus for recording information on a recording me

Details Method and apparatus for recording information on a recording me Method and apparatus for recording information on a recording me

1975-05-06

1976-09-21

Hartary, Joseph W.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

106 21, 346 75, 346140R, G01D 1518

Patent

active

039822516

ABSTRACT:
Streams of ink droplets are formed of a material which changes from transparent or colorless to a color when subjected to a selected energy source. A print pattern is produced on a movable paper through selectively controlling the droplets to which the selected energy source is applied. The droplets which remain transparent or colorless because of not being exposed to the selected energy source can be deactivated by a second source of energy so that these droplets will not subsequently print.

REFERENCES:
patent: 1770493 (1930-07-01), Ranger
patent: 3560229 (1971-02-01), Farnham
patent: 3878519 (1975-04-01), Eaton
Chang et al., Color Modulated Dye Ink Jet Printer, IBM Tech. Disc. Bulletin, vol. 17, No. 5, Oct. 1974, pp. 1520-1521.

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