Multipulsing method for operating an ink jet apparatus for print

Details Multipulsing method for operating an ink jet apparatus for print Multipulsing method for operating an ink jet apparatus for print

1986-06-06

1987-08-11

Miller, Jr., George H.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346140R, G01D 1518

Patent

active

046865390

ABSTRACT:
A method for both reducing the ligament length and satellite droplet problems associated with producing high velocity ink droplets from an ink jet head printing at relatively high ink jet head transport speeds, comprises driving the ink jet head with a composite waveform including independent and successive first, second, and third electrical pulses, each having an exponential leading edge and a step-like trailing edge, the pulses being constructed to have amplitudes, pulse widths, and dead times between pulses, for causing the ink jet head to eject three successive ink droplets, each of increased velocity relative to the preceding droplet, for causing the droplets to merge in flight fo form a single or ultimate droplet having a predetermined velocity.

REFERENCES:
patent: 4104646 (1978-08-01), Fischbeck
patent: 4491851 (1985-01-01), Mizuno et al.
patent: 4503444 (1985-03-01), Tacklind
patent: 4513299 (1985-04-01), Lee et al.
patent: 4523200 (1985-06-01), Howkins
patent: 4523201 (1985-06-01), Liker

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