Recorders – Performance of multiple functions of steam and gas engines – Pressure responsive element
Patent
1975-06-02
1976-08-24
Hartary, Joseph W.
Recorders
Performance of multiple functions of steam and gas engines
Pressure responsive element
178 66R, 346 75, G01D 1518
Patent
active
039770079
ABSTRACT:
An ink jet printer in which refined half-tones or shades of gray are produced while retaining high contrast capability using a dot matrix in which the dots are of the same density for the same shading plus or minus one drop of ink at selected dot locations within the matrix but with each dot being printed in response to an individual shading density or darkness input signal.
REFERENCES:
patent: 3373437 (1968-03-01), Sweet et al.
patent: 3604846 (1971-09-01), Behane et al.
patent: 3681650 (1972-08-01), Koll
patent: 3928718 (1975-12-01), Sagae et al.
Berry James M.
Hauser Anthony J.
Knuth Kurt E.
Ollendick Gary B.
Dosse W. G.
Hartary Joseph W.
Landis J. L.
Teletype Corporation
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