Ink flow control system and method for an ink jet printer

Details Ink flow control system and method for an ink jet printer Ink flow control system and method for an ink jet printer

1990-01-12

1991-06-11

Hartary, Joseph W.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346140R, B41J 205, B41J 2175

Patent

active

050236253

ABSTRACT:
A piezoelectric pump or equivalent transducer is mounted on or within an ink jet printhead and is used to modulate the frequency or amplitude, or both, of oscillations of a liquid meniscus at a liquid ejection orifice of a nozzle plate. The liquid meniscus at the orifice has a natural resonant frequency and amplitude with respect to its equilibrium position, and the above modulation is performed in a controlled timed relation with respect to the phase of the natural oscillations of the meniscus at the liquid ejection orifice.

REFERENCES:
patent: 4024544 (1977-05-01), Vernon
patent: 4045801 (1977-08-01), Iwasaki
patent: 4112433 (1987-09-01), Vernon
patent: 4291316 (1981-09-01), Kakeno
patent: 4296421 (1981-10-01), Hara
patent: 4424520 (1984-01-01), Matsuda
patent: 4563689 (1986-01-01), Murakami
patent: 4672398 (1987-06-01), Kuwabara

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